Chaparral FS2620R
Fibre Channel-to-SCSI Router
User’s Guide
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Copyright
© 2000, 2001 Chaparral Network Storage, Inc.
This document covers the FS2620R.
Document Number: 07-0044-002
All rights reserved. No part of this publication may be reproduced without the prior written consent of:
Chaparral Network Storage, Inc.
7420 E. Dry Creek Parkway
Longmont, Colorado 80503
Trademarks
Chaparral Network Storage, Inc. and the Chaparral logo are trademarks of Chaparral Network Storage, Inc.
AHA and AIC are trademarks of Adaptec, Inc.
Windows is a registered trademark and Windows NT is a trademark of Microsoft Corporation in the U.S. and
other countries, used under license.
All other trademarks are owned by their respective owners.
Changes
The material in this document is subject to change without notice. While reasonable efforts have been made to
ensure the accuracy of this document, Chaparral Network Storage, Inc. assumes no liability resulting from
errors or omissions in this publication, or from the use of the information contained herein.
If you would like to provide comments or suggestions on the quality and/or accuracy of this manual, please
Chaparral reserves the right to make changes in the product design without reservation and without
notification to its users. Comments and suggestions can be sent to the address listed above.
Technical Support
If after reviewing this user’s guide, you still have questions about installing or using your Chaparral product,
please contact us at (303) 845-3200 or by e-mail at [email protected]
Federal Communications Commission Radio Frequency Interference Statement
WARNING: Changes or modifications to this unit not expressly approved by the party responsible for
compliance could void the user’s authority to operate the equipment.
This equipment has been tested and found to comply with the limits for a Class A digital device, pursuant to
Part 15 of the FCC rules. These limits are designed to provide reasonable protection against harmful
interference in a residential installation. This equipment generates uses, and can radiate radio frequency
energy, and if not installed and used in accordance with the instruction manual, may cause harmful
interference to radio communications. However, there is no guarantee that interference will not occur in a
particular installation. However, if this equipment does cause interference to radio or television equipment
reception, which can be determined by turning the equipment off and on, the user is encouraged to try to
correct the interference by one or more of the following measures:
!
!
!
!
!
Reorient or relocate the receiving antenna.
Increase the separation between equipment and receiver.
Connect the equipment to an outlet on a circuit different from that to which the receiver is connected.
Consult the dealer or an experienced radio/television technician for help.
Use a shielded and properly grounded I/O cable and power cable to ensure compliance of this unit to the
specified limits of the rules.
i
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This device complies with part 15 of the FCC rules. Operation is subject to the following two conditions: (1)
this device may not cause harmful interference and (2) this device must accept any interference received,
including interference that may cause undesired operation.
Canadian Compliance Statement
This Class A digital apparatus meets all requirements of the Canadian Interference-Causing Equipment
Regulations.
Cet appareil numérique de la classe A respecte toutes les exigences du Règlement sur le matérial brouilleur du
Canada
EMC (Electromagnetic Compatibility)
Documents:
89/336/EEC—European Council Directive on the Approximation of the Laws of the Member states Relating
to Electromagnetic Compatibility (EMC Directive).
Testing:
Emissions: EN 55022
Immunity: EN 50082-1
Emissions
Documents:
1
CISPR Publication 22/EN 55024—Limits and Methods of Measurement of Radio Interference
Characteristics of Information Technology Equipment (ITE).
2
Federal Communications Commission (FCC)
a) 47 Code of CFR, chapter I
i)Part 2—Frequency Alloc. And radio Treaty Matters; Gen. Rules and Reg.
(1)Subpart J - Eq. Auth. Procedures
ii)part 15—Radio Frequency Devices
(1)Subpart B - Unintentional Radiators
3
ANSI C63.4—Methods of Measurement of Radio-Noise Emissions from Low-Voltage Electrical and
Electronic Eq in the Range of 9 kHz to 40 GHz
4
5
6
ICES-003—Interference - Causing Eq Standard - Digital Apparatus
AS/NZS 3548—Limits and Methods of Measurement of Radio Disturbance Charac. of Info. Tech. Eq.
VCCI—Volunt. Control council for Interference by Info. Tech. Eq.
Test setup shall conform to ANSI C63.4
Testing to be performed to CISPR 22/EN55022 Class-A and FCC Class-A limits
The quasi-peak detection mode is to be used for measurements from 30 MHz to 1 GHz and the antenna should
be placed at a distance of 10 meters from the Equipment Under Test (EUT). To comply with the FCC Rules
and Regulations, testing must be performed to 5.3125 GHz (the 5th harmonic of the 1.0625 GHz clock) at a
test distance of 3 meters using the average detection mode.
Immunity
1
2
3
EN 50082-1: 1998—Electromagnetic Compatibility - Generic Immunity Standard - Part 1: Residential,
Commercial and Light Industry
EN 61000-4-2—Electromagnetic Compatibility (EMC) - Part 4: Testing and Measurement Techniques -
Section 2; Electrostatic Discharge Immunity Test
EN 61000-4-3—Electromagnetic Compatibility (EMC) - Part 4: Testing and Measurement Techniques -
Section 3: Radiated, Radio Frequency, Electromagnetic field Immunity Test
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4
5
6
EN 61000-4-4—Electromagnetic Compatibility (EMC) - Part 4: Testing and Measurement Techniques -
Section 4: Electrical Fast Transient/Burst Immunity Test
EN 6100-4-5—Electromagnetic Compatibility (EMC) - Part 4: Testing and Measurement Techniques -
Section 5: surge Immunity Test
EN 61000-4-6—Electromagnetic Compatibility (EMC) - Part 4: Testing and Measurement Techniques -
Section 6; Immunity to Conducted Disturbances, Induced by Radio-Frequency Fields.
7
8
Not needed: EN 61000-4-8
EN 61000-4-11—Electromagnetic Compatibility (EMC) - Part 4: Testing and Measurement Techniques -
Section 11: Voltage Dips, Short Interruptions and Voltage Variations Immunity Test
Safety
We have tested to the current (latest) version of the documents, including all revisions.
Documents:
1
73/23 ECC—European Council Directive on the Harmonization of the Laws of the Member states
Relating to Electrical Equipment Designed for use Within Certain Voltage Limits (Low Voltage
Directive).
2
3
4
5
UL 1950, 3rd Edition—Safety of Information Technology Equipment (ITE), including Electrical
Business Equipment
CAN/CSA C22.2 #950-95—Safety of Information Technology Equipment (ITE), including Electrical
Business Equipment
EN 60950—Specification for Safety of Information Technology Equipment (ITE), including Electrical
Business Equipment
IEC 950—Safety of Information Technology Equipment (ITE), including Electrical Business Equipment
The FS2620R has been tested to EN 6100-3-2, EN 6100-3-3, and EN 55024.
Laser Safety
Certification and Classification Information
This product uses Gigabit Interface Converters (GBIC) to interface with Fibre Channel links. Optical GBICs
used with this product contain internal lasers. In the USA, all optical GBICs certified as Class 1 laser products
and conform to the requirements contained in the Department of Health and Human Services (DHHS)
regulation 21 CFR Subchapter J.
Outside the USA, all GBICs are certified as Class 1 laser components that conform to the requirements
contained in the International Electrotechnical Commission (IEC) standard 825 (1994) and Amendment 1
(1990) along with CENELEC (European Committee for Electrotechnical Standardization) European
Normalization standard EN 60825 (1992).
The user is required to ensure that the optical GBIC being used meets all of the above requirements.
Required certifications include one or more of the following:
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!
!
Recognized Component by Underwriters Laboratories
Certified by the Canadian Standard Association
Certified by VDE (Germany) and/or Certified by Statens Provningsanstalt (SP) in Sweden
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Contents
About this Guide ...............................................................................................1-1
Conventions ................................................................................................1-2
Specifications ....................................................................................................1-5
Unpacking the Router ........................................................................................2-1
Installing the Router ..........................................................................................2-2
Installing on a Desktop ...............................................................................2-2
Installing in a Rack .....................................................................................2-2
Connecting the Router .......................................................................................2-3
Connecting to the RS-232 Port ...................................................................2-6
Connecting to the Ethernet Port ..................................................................2-7
Powering Up All Devices ..................................................................................2-7
Router Default Settings ...................................................................................2-10
Ethernet Port .........................................................................................3-3
Changing the Screen Display ....................................................................3-11
Changing Router Configuration ......................................................................3-11
Setting the Date and Time ........................................................................3-19
Changing the Scan Delay ..........................................................................3-21
Restoring the Default Settings ..................................................................3-23
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FS2620R Rack User’s Guide
Rebooting the Router .......................................................................................3-23
Displaying Router Information .......................................................................3-29
Displaying the Event Log .........................................................................3-29
Capturing the Event Log File ....................................................................3-31
Upgrading Firmware .......................................................................................3-37
Chaparral Technical Support .............................................................................4-1
Problems During Bootup ...................................................................................4-1
Flash Utility ..........................................................................................4-2
Device SCSI Channel Problems ........................................................................4-5
Router is Not Responding .................................................................................4-5
Setting Up Debug Logging ................................................................................4-6
Using the Loader Diagnostics Menu .................................................................4-7
Using the Loader Utility Menu .........................................................................4-7
Loop ID to AL_PA Mapping ...........................................................................A-2
Using Address Resolution Protocol ................................................................. B-1
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Standards .......................................................................................................... C-1
Books ................................................................................................................ C-2
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FS2620R Rack User’s Guide
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1
Introduction
The Chaparral FS2620R router is a Fibre Channel (FC)-to-Small Computer System
Interface (SCSI) router that enables connectivity between SCSI devices and storage area
networks (SANs). The router provides Fibre Channel connection to SCSI devices
allowing them to be attached to either a Fibre Channel Arbitrated Loop (FC-AL) or
switched fabric.
The router allows SCSI and Fibre Channel devices to communicate seamlessly by
converting data to the appropriate protocol and routing it to the desired destination.
The router supports a variety of SCSI devices including:
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!
!
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Hard disk drives
Tape drives and libraries
Optical devices and libraries
RAID controllers
About this Guide
This User’s Guide describes how to install and configure your Chaparral FS2620R router.
It assumes that you are familiar with the basic functions of your computer system. It also
assumes that you are familiar with Fibre Channel configurations and basic network
administration terminology.
1-1
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FS2620R Rack Model User’s Guide
Conventions
This Guide uses several typographical conventions to help explain how to use the router.
Convention
Convention
Bold
Words in bold indicate items to select such as
menu items or command buttons.
CTRL-R
Keys you press simultaneously. In this
example, hold down the Ctrl key and press the
r key.
Notes give you important information that may
affect how you decide to set up your system.
Cautions warn you about actions that may
permanently delete data or cause damage to
your system.
!
Chaparral FS2620R Router Benefits and Features
The router offers you three key benefits:
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!
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Allows you to connect legacy SCSI devices to Fibre Channel SANs
Allows you to manage these devices
Frees your servers from storage-related traffic, such as your data backup load, using
the serverless backup option.
The router provides the following product features:
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!
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Two full-duplex, 1.0625 or 2.125 Gbit/sec Fibre Channel host ports
FC-AL and Fibre Channel Switched Fabric (FC-SW) topologies
Class 3 service
Private Loop Direct Attach (PLDA) compliant
SCSI-FCP (SCSI over Fibre Channel)
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Chaparral FS2620R Router Benefits and Features
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!
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Support for up to 128 FC initiators with up to 32 concurrently active
Six independent Ultra 160 SCSI device channels
Support of up to 63 SCSI devices on six independent SCSI channels (up to 15 IDs per
channel)
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!
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Addressing of up to 64 FC Logical Unit Numbers (LUNs)
One RS-232 serial port
One 10BaseT Ethernet port
Industry-leading data transfer (MB/sec) and transaction processing rates (IOPS)
Automatic SCSI device discovery and SCSI-to-FC address mapping
Retention of SCSI-to-FC addressing during device removal/addition and between
power cycles
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!
!
!
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Support for Persistent Reserve In and Persistent Reserve Out commands
Support for Report LUNs command
Firmware upgrades via RS-232 or fibre channel
Warnings and automatic shutdown for out-of-specification temperature and voltages
Embedded Configuration Application Programming Interface (CAPI) for
management and Graphical User Interface (GUI) development
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!
Extended Copy command available for serverless backup
Supports SNMP Fibre Alliance version 2.2 MIB
The router is available in a low-voltage differential/single-ended (LVD/SE) SCSI
configuration.
1-3
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FS2620R Rack Model User’s Guide
About Serverless Backup and Restore
Recent advances in data protection architectures have added the ability to backup data by
moving it directly from disk to tape without first passing through a backup server. This is
called serverless backup, and it utilizes a new SCSI command, Extended Copy (EC). A
host is involved in executing the EC command, though it is typically not the server. The
Chaparral family of Intelligent Storage Routers is enabled to execute the EC command
under the control of most major backup applications.
The EC command consists of three primary pieces of information:
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!
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Source address(es)
Destination address(es)
In-line data
The source addresses tell the router where the data that is being copied is physically
stored, on what device, and at what physical locations. This information is provided by a
backup application, which must translate file information into the physical storage
locations. The application sends this list of addresses in the order it is to be written to the
destination device, often a tape drive in a backup scenario.
For the destination address, the EC command assumes that any tape device that is being
copied to is properly positioned, so all the router needs to know is its target address,
typically a LUN on the SAN. The in-line data is used to allow applications to maintain a
specific format, and can be used to write any data the application may require for
restoration.
The EC command, as implemented in the Chaparral router, requires no administration.
Administering an EC environment is most intensive on the application side. Chaparral
supports the SNIA Extended Copy Specification (ANSI T10/ 99-143R1). Any questions
related to using a Chaparral router in an EC environment should be directed to the
application provider or your reseller. If you are developing EC-enabled applications,
contact Chaparral for information on our specific implementation.
1-4
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Specifications
Specifications
The Chaparral FS2620R router is a self-contained FC-to-SCSI router in a 1U rack
enclosure with an integrated power supply. The router is ideal for attaching legacy SCSI
storage devices to Fibre Channel SANs. You can install the unit in an industry-standard
19" cabinet using the Chaparral-supplied mounting brackets. The router can be installed in
product specifications.
Table 1-1. Product specifications
Item
Specification
Physical
1U enclosure (1.71" H x 17" W x 10.5" D)
Rack mount (with detachable brackets) or desktop use
Front- or rear-mount in racks
Weight: approximately 9 lbs
Fibre Channel
GBIC housing for either optical or copper cabling
Supports data transfer up to 200 MB/sec, 400 MB/sec (full
duplex)
(Devices connected via this port are referred to as front-end
devices.)
SCSI
LVD/SE model
!
Supports Ultra160 wide data transfer up to 160 MB/sec per
channel
!
Has internal SCSI termination
(Devices connected to the SCSI channels are referred to as back-
end devices.)
Connections
Indicators
Two Fibre Channel (GBIC)
Six SCSI Channels (68-pin)
RS-232 serial port (RJ-11)
10BaseT Ethernet Port (RJ-45)
AC Power
Fibre Channel activity (2)
Fibre Channel status (2)
SCSI activity (6)
Ethernet activity
Ethernet status
Router status
Router fault
Switches
AC Power On/Off
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FS2620R Rack Model User’s Guide
Table 1-1. Product specifications (Continued)
Item
Specification
Environmental
0°C to +40°C external ambient, normal
operating
0°C to +61°C internal, operating
An alarm sounds when router operates between
+0°C to +4°C and +57°C to +61°C (internal
operating temperature)
-40°C to +100°C ambient, non-operating
10% to 85% humidity normal operating, non-
condensing
5% to 90% humidity non-operating, non-
condensing
90 to 264 VAC, 47 to 63 Hz, autoranging power
supply
Caution: The LVD interfaces require LVD-qualified SCSI cables.
!
❒
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2
Installing the Router
This chapter provides step-by-step instructions for installing the router.
You must take many factors into consideration while planning the router installation. Due
to the versatility of the router and the diversity of available host platforms, host bus
adapters (HBAs), switches, hubs, storage devices, and applications, only general
guidelines are found in this Guide. For examples of the most common configurations, see
You can mount the router in a standard 19" rack or place it on a table or desktop. Be sure
To install the router, you need to complete the following tasks in sequence:
Unpacking the Router
Carefully unpack the router and ensure that you have all the parts specified below:
!
!
!
!
!
!
Router
Five rubber feet
Power cable
RS-232 cable
User’s Guide
Mounting brackets (with 4 Phillips screws that are already screwed into the side of the
router)
To unpack the router:
1 Place the shipping container on a flat, clean, stable surface.
2 Carefully remove the router and verify the contents against the packing list.
3 Remove the foam from the sides of the router and remove it from the plastic bag.
Save the original shipping container and packing materials in case future reshipment
is necessary.
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FS2620R Rack Model User’s Guide
4 Visually inspect the router and notify your freight carrier immediately of any
damage.
5 Record the Media Access Control (MAC) address located on the bottom of the router
chassis for future reference.
Figure 2-1 below shows the front and rear panels of the FS2620R.
Figure 2-1. FS2620R front and rear panels
Installing the Router
You can install the router two ways:
!
!
On a desktop or table
In a standard 1U high, 19" rack
Installing on a Desktop
To install the FS2620R on a desktop:
1 Attach the five rubber feet to the recessed locations on the bottom of the router. (The
rubber feet are required when using the router on a desktop.)
2 Place the router on a table, desktop, or other flat surface.
Note: Ensure that the front and rear panels have adequate clearance for
the fan, air intake vents (front), and access to all connections.
Installing in a Rack
You can install the router in a standard 1U high, 19" rack. You can either front or rear
mount the router.
2-2
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Connecting the Router
!
!
Left and right mounting brackets (only left bracket shown)
Four mounting screws (10-32 panheads)
Figure 2-2. Mounting bracket and screws
Recommended tools for this procedure:
#2 Phillips screwdriver
!
To install the router in a rack:
1 Determine where in the rack you want to mount the router.
The mounting brackets are reversible, permitting either front or rear mounting.
Note: Ensure that the front and rear panels have adequate clearance for
the fan, air intake vents (front), and access to all connections. The proper
airflow is from the front of the router to the back.
2 Remove the screws from the sides of the router and keep the screws.
3 Using the screws you removed, attach the brackets to the router.
Be sure to place the front of the brackets at the front (for front mounting) or rear (for
rear mounting) of the router, depending on how you are mounting it in the rack.
You may have to squeeze the top and bottom of the router to align the holes.
4 Install in the 19" rack according to the rack’s instructions.
Connecting the Router
The router has several types of data connections:
!
Two Fibre Channel (gigabit interface connector [GBIC])—permitting connection to
other FC devices, typically through an arbitrated loop or SAN with fabric.
!
Six SCSI channels—permitting the connection of up to 15 devices on each channel.
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FS2620R Rack Model User’s Guide
!
!
RS-232 serial port—for configuration and management of the router.
Ethernet (10BaseT)—connects to your local area network (LAN) to permit
configuration and management of the router.
For first time installation, attach the SCSI devices first to ensure the router and its assigned
devices are working properly. You should connect all SCSI devices to the router and
power them on. Then power the router on. After proper operation is established, you can
proceed to connect the FC host and the RS-232 or Ethernet ports.
Figure 2-3. Rear panel components
Connecting to the SCSI Channels
With the FS2620R, you can attach SCSI storage devices to up to six of the router’s SCSI
channels. Up to 15 SCSI devices can be attached to each channel (63 devices + router
LUN = 64 LUNs visible to the host system).
The FS2620R is available with Ultra3 LVD SCSI interface. You must use LVD-qualified
SCSI cables.
LVD/SE (wide, Ultra-160 SCSI),
68-pin SCSI (LVD/SE model)
SCSI
LVD/SE
Caution: Do not use with HVD devices with the symbol shown below.
!
HVD symbol
SCSI
DIFF
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Connecting the Router
To connect devices to the SCSI channels:
1 Be sure the router is turned off.
2 Turn off the SCSI devices you want to connect.
3 Connect one end of a SCSI cable to a SCSI channel(s) on the back of the router.
4 Connect the other end of the SCSI cable to the SCSI device.
Make sure each device on the SCSI bus has a unique address (the FS2620R uses
address 7 by default).
5 Make sure that each channel is properly terminated.
Termination on the LVD/SE SCSI bus is always enabled at the router. You must also
terminate the SCSI bus at the device end.
Connecting to the Fibre Channel Port
You can connect the router directly to an FC HBA or to an FC switch or hub. You must
use proper FC components (for example, GBICs, media interface adapters [MIAs], and
FC cable, either optical or copper). Contact Chaparral for information on components
tested by Chaparral and advice on attaching SCSI devices in an optimal manner for your
applications.
You will need to purchase GBICs through your distributor. The GBIC connector is
available in four different versions:
!
Copper (Active)
–
–
DB-9
HSSDC
!
Optical
–
–
Short wave
Long wave
To connect to the Fibre Channel port:
1 Be sure the router is turned off.
2 Insert the GBICs into the Fibre Channel ports.
Be sure that the GBIC locks into place.
3 Connect one end of the Fibre Channel cable to the GBIC.
4 Connect the other end of the Fibre Channel cable to a server’s HBA or to an
arbitrated loop hub or fabric switch.
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FS2620R Rack Model User’s Guide
Connecting to the RS-232 Port
You use the RS-232 port to update the firmware, configure, and monitor the router using a
VT-100/ANSI computer with a terminal emulator. For more information about the
You must use the RS-232 cable that came with the router or one configured like it. The
RS-232 cable is a standard 6-conductor flatline cable with an RJ-11 to DB-9 adapter. The
DB-9 pinout is as follows:
Table 2-1. DB-9 pinout
Pin
2
Function
Transmit
Receive
Ground
3
5
The RJ-11 cable pinout is straight through.
Configure the RS-232 port in your terminal emulator software using the following
settings:
!
Baud rate: 9600, 19200, 38400, 57600, or 115200; 115200 best for downloading
firmware upgrades
!
!
!
!
Data Bits: 8
Stop Bits: 1
Parity: None
Flow Control: None
To connect to the RS-232 port:
1 Be sure the router is turned off.
2 Using the RS-232 cable that came with the router, connect the RJ-11 end of the cable
into the RS-232 serial port on the router.
3 Connect the other end of the RS-232 cable (DB-9) to the COM port on the computer
that will monitor and configure the router.
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Powering Up All Devices
Connecting to the Ethernet Port
You use the Ethernet (10BaseT) port to configure and manage the FS2620R. You use this
configuration option when you need to manage the FS2620R from a remote computer that
is connected to your LAN. For more information about the configuration and management
To connect to the Ethernet port:
1 Be sure the FS2620R is turned off.
2 Connect one end of the Ethernet cable to the Ethernet port on the FS2620R.
3 Connect the other end of the Ethernet cable to a network hub, router, or other
network connection.
Powering Up All Devices
After you have made all of the SCSI, Ethernet, and RS-232 connections, you are ready to
power up the router and all devices connected to it. For best results, use a two-stage setup
procedure. First, connect all SCSI devices and the RS-232 port to ensure proper operation.
Second, connect the FC host port and finish installation.
To power up SCSI devices:
1 Be sure the router is turned off.
2 Attach the power cable to the back of the router.
3 Plug the power cable into a power source.
4 Connect the SCSI devices to the router using the appropriate SCSI cables.
5 Power up the connected SCSI storage devices and allow them to come ready.
6 Power up the router and allow it to come ready.
The ST status light stays a steady yellow. See Understanding the LED Status Lights
Caution: Do not remove the router’s cover. The router has no user-
serviceable parts. Removing the cover will void the warranty.
!
The router recognizes all SCSI devices connected to the six SCSI channels on the
FS2620R, and assigns each device a unique LUN address, which will be mapped as part of
a unique FC address. You can configure the router to assign itself a LUN for in-band
management, server-free backup, and other uses.
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FS2620R Rack Model User’s Guide
To make the host FC connection:
1 Connect the Fibre Channel cables to the router and the host computer/hub/ switch.
You can use one or both FC connections. If only one connection is used, disable the
unused FC connection. For information about disabling a channel, see Configuring
2 Power up connected servers, hubs, or switches on the network if necessary.
Understanding the LED Status Lights
LED status lights are on the rear panel of the router. For information about
Figure 2-4. LED status lights
Table 2-2 describes the meaning of the LED status lights located on the rear of the router.
Table 2-2. LED status lights
LED
Label
Description
Color
Red
Function
FT
Router fault
Solid on when router is powered-up and
fails any internal diagnostic or detects a
critical error
ST
Router status
Yellow
Yellow
Solid on when router is powered-up and
passes all internal diagnostics
Solid off when router either:
!
Detects a warning/degraded mode
Fails to boot
!
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Powering Up All Devices
Table 2-2. LED status lights (Continued)
LED
Label
Description
Color
Function
LK
Link Host FC
Link Status
Green
Solid on when FC link is connected and
established
Off when FC link is disconnected and/or
not established
AT
FC Host Activity Green
Solid on when FC is active to FS2620R
Solid off when no I/O activity to FS2620R
0
FS2620R SCSI
channel 0 activity
Green
Green
Green
Green
Green
Green
Green
Green
Solid on when bus is active or busy
Solid on when bus is active or busy
Solid on when bus is active or busy
Solid on when bus is active or busy
Solid on when bus is active or busy
Solid on when bus is active or busy
1
FS2620R SCSI
channel 1 activity
2
FS2620R SCSI
channel 2 activity
3
FS2620R SCSI
channel 3 activity
4
FS2620R SCSI
channel 4 activity
5
FS2620R SCSI
channel 5 activity
ST
LK
Ethernet
Flashing or solid when 10BaseT link is
active or busy
Ethernet
Solid when 10BaseT link is connected
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Router Default Settings
Table 2-3 below lists the router default settings. If these settings meet your needs, you can
use your router now. If they do not, you can change the settings. See Chapter 3,
Table 2-3. Router default settings
Setting
Default
For more information, see
Mapping Mode
AUTO
Topology
LOOP
SOFT
SOFT
7
Router’s loop ID
Router’s LUN
Router’s initiator ID
(SCSI ID) on each
channel
Scan Delay
Alarm
0 seconds
ENABLE
D
Link Speed
1 GB
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Router Default Settings
Installation Configuration Examples
You can install the router in a variety of configurations to meet your needs. The examples
below show the most common installation configurations.
!
Simple loop with two devices on a SAN (FC-AL)
Figure 2-5. Simple loop configuration example
!
Single server on a SAN (FC-AL)
Figure 2-6. Single server configuration example
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!
Multiple servers on a SAN (FC-AL)
Figure 2-7. Multiple server configuration example
SAN with fabric (FC-SW)
!
Figure 2-8. SAN configuration example
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Router Default Settings
!
Multiple SANs with fabric (FC-SW)
Figure 2-9. SAN with fabric configuration example
!
Extended copy configuration—serverless backup that performs backup operations
directly from disk to tape without copying the data to the server
Figure 2-10. Extended copy configuration example
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!
Combination loop and switch configuration.
Figure 2-11. Combination loop and switch example
❒
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3
Configuring the Router
You can display and change a variety of settings using the Router Administrator software.
Using the Router Administrator, you can:
!
!
!
!
!
Accessing the Router Administrator Software
You can access the Router Administrator software using the RS-232 serial port or Ethernet
port connections on the router. You must connect a computer with terminal emulator
software, such as HyperTerminal, to the serial or Ethernet port and configure the port
Accessing the Router Administrator Using the RS-
232 Serial Port
You can access the Router Administrator software using the RS-232 serial port.
To access the Router Administrator software using the RS-232 serial port:
1 From the computer connected to the router, start your terminal emulation software.
Be sure that your terminal emulation software is set to use the correct COM port on
more details on how the router can auto detect the baud rate.
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2 Press Ctrl-r.
The initial Chaparral FC-to-SCSI Router Administrator screen displays.
3 Press Enter.
The System Menu displays.
You can now perform all of the functions described in this chapter. All steps in this
chapter start from the System Menu.
If an alarm condition has occurred, the alarm will sound and you will see a message
about the problem. This message will also be stored in the event log. Press Enter or
Esc to turn off the alarm.
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Accessing the Router Administrator Software
Accessing the Router Administrator Using the
Ethernet Port
You can access the Router Administrator software using the Ethernet port via Telnet. For
Windows users, if you want to use Telnet, you must configure the preferences and font
from the Terminal menu each time as shown below.
Click Font to set
the font as shown
here.
Note: Windows users may want to obtain HyperTerminal Private Edition
from Hilgraeve, which supports Telnet protocol and serial port protocol.
Before you can access the Router Administrator software, you must set up your computer
To access the Router Administrator software using the Ethernet port and Telnet:
1 From the computer connected to the router, start Telnet or your terminal emulation
software.
Be sure that your terminal emulation software is configured to use TCP/IP.
2 Enter the host address (currently the default IP address).
The default IP address is 10.0.0.1.
Note: If the IP address you entered does not work, ask the system
administrator to free an IP address for you to use temporarily until you
have finished the configuration.
3 Enter the port number.
The port number is default port 23.
Note: To use 10.0.0.1 you must be on a private network within the same
subnet octets such as 10.0.0.X, otherwise use ARP (see Appendix B,
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The Enter Password screen displays.
4 Enter your password and press Enter.
There is no default password, just press Enter.
Either the Network Management System Console screen or the Router Administrator
screen displays depending on the settings in the System Configuration menu. The
default setting takes you directly to the Router Administrator screen. If the Router
Administrator Software screen displays, press Enter to display the System Menu.
From the System Menu select Configuration Menu. From the Configuration Menu
select LAN Config. The the Network Management System Console screen displays.
You can configure the router’s network settings from here.
Note: If you try to connect more than one Telnet session at a time, you
will get an error message that a Telnet session is already opened, and your
new session will be disconnected.
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Accessing the Router Administrator Software
To access the Router Administrator software using the Ethernet port and the Telnet
utility:
1 At the DOS or UNIX prompt, enter telnet and press Enter.
You should set your Telnet terminal preferences for the router connection.
2 Using the Terminal menu, select Preferences.
3 Select VT100 Arrows option, VT-100/ANSI emulation, and terminal font. Select
OK.
4 Enter the IP address or, using the Connect Menu, select the router IP address from
the menu (if present). Press Enter.
The Enter Password screen displays.
5 Enter your password and press Enter.
There is no default password, just press Enter.
Either the Network Management System Console screen or the Router Administrator
screen displays depending on the settings in the System Configuration menu. The
default setting takes you directly to the Router Administrator screen. If the Router
Administrator Software screen displays, press Enter to display the System Menu.
From the System Menu select Configuration Menu. From the Configuration Menu
select LAN Config. The the Network Management System Console screen displays.
You can configure the router’s network settings from here.
Note: You cannot use RS-232 and Telnet connections at the same time. If
a Telnet session is active, you can see the activity through the RS-232
connection, but you cannot make changes to the configuration using the
RS-232 connection.
Configuring the Router’s Network Settings
Once you access the router using the Ethernet port, you must configure the router for use.
The Network Management System Console screen displays the options available. The
following sections briefly describe the options.
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System Configuration Screen
Option 1 from the Network Management System Console screen displays the System
Configuration screen.
This screen allows you to change the system name, password, and Telnet timeout. You
can also change the default setting to go straight to the Router Administrator software by
selecting 9, Jump to Controller.
TCP/IP Configuration Screen
Option 2 from the Network Management System Console screen displays the TCP/IP
Configuration screen.
This screen displays the default settings and allows you to change the current settings for
the IP address, IP mask, and gateway.
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Accessing the Router Administrator Software
Table 3-1 lists Ethernet default settings for use in the following menu items. Although this
version of the router has no SNMP traps, gateways are included for future expansion.
Table 3-1. Ethernet default settings
Setting
IP address
IP mask
Gateway
DHCP
Default
10.0.0.1
255.255.255.0
0.0.0.0
Disabled
Telnet
Null (enter <CR>)
password
System name
MAC address
FTP logon
Controller fxxxxx where xxxxx is the last 5 digits of
the MAC address
00-50-13-fx-xx-xx where x-xx-xx is unique for each
router and can not be changed
flash
FTP password flash
SNMP traps
Disabled
0.0.0.0
SNMP trap
host
Telnet timeout 0 sec (this setting can be 60 seconds or greater)
Note: Before choosing to enable DHCP, contact the system administrator
and make sure you have support for identifying IP hardware and name
server addresses.
SNMP Configuration Screen
Option 3 from the Network Management System Console screen displays the SNMP
Configuration screen.
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This screen allows you to set the SNMP trap host, enable the traps, and read or write to the
SNMP community (refer to your LAN system administrator for assistance in reading or
writing to SNMP community).
Restarting the Router
Option 4 from the Network Management System Console screen restarts the router. A
screen will display notifying you that your system is restarting.
Note: After rebooting the LAN connection you can return to the Password
screen by disconnecting and reconnecting the Telnet session.
System Information screen
Option 5 from the Network Management System Console screen displays the About
Network Interface screen displays.
You can view this read-only screen to get information about the system.
Returning to the Router Administrator Software
Press Esc from the Network Management System Console screen to return to the Router
Administration software. The Chaparral FC-to-SCSI Router Administrator screen
displays.
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Accessing the Router Administrator Software
You can now perform all of the functions described in the rest of this chapter. All steps in
this chapter start from the System Menu.
Accessing the Network Management System
You can access the network management system software from the Router Administrator.
To access the network management system:
1 From the System Menu of the Router Administrator, select Configuration Menu
and press Enter.
2 Select LAN Config and press Enter.
The Enter Password screen displays. You can now access the network management
system screens and revise the settings as necessary.
Navigating the Router Administrator Software
below describes the primary navigation and selection methods:
Table 3-2. Router Administrator navigation
To
Do this
Select a menu item
Press the ↑ and ↓ and press Enter.
or
Press the letter that is a different color (or
highlighted) in a menu item (hot key) and press
Enter.
Return to the previous menu or screen Press Esc or ←.
without saving your changes
Scroll through the available choices
for a setting
Press the ↑ and ↓.
Note: After four minutes of inactivity, the Router Administrator software
times out and returns to the System Menu.
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The Menu Tree illustrates the main menu options and sub-options.
Figure 3-1. Menu Tree
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Changing Router Configuration
Changing the Screen Display
After you have accessed the Router Administrator software, you can change the screen
display using a combination of keystrokes, as shown on the System Menu. Table 3-2 lists
the keystrokes required to change various screen displays.
Table 3-3. Changing screen displays
Select
Function
Ctrl-A
Toggles between ANSI and VT100 character sets (use VT100
for legacy systems)
Ctrl-B
Ctrl-E
Toggles between black and white and color screen
Toggles between the event log, debug log, hardware
information, and configuration information screens
Ctrl-H
Ctrl-R
Ctrl-Z
Toggles the Help screen
Refreshes screen
Escapes or quits menu
Changing Router Configuration
You can use the Router Administrator software to change a variety of router configuration
settings. You can:
!
!
!
!
!
!
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Configuring the FC Host Channels
You can configure several settings for each FC host channel independently:
!
Enable/Disable—You can disable the FC host channels. You should disable a channel
if you are not using it. This improves performance by stopping the router from
continuously trying to acquire a link up.
!
Topology—You should be sure that the router’s topology setting is correct for your
configuration. You can set the topology to:
– LOOP—Use this option for all configurations except when the router is
connected to a switch F-port. See Installation Configuration Examples on
– POINT-TO-POINT—use this option only when you connect the router to a
– Auto Detection—Automatically detects the configuration based on loop
initialization process or port address of switch or fabric. Use this option when
you do not know what topology you are using or when you plan to change the
configuration as you might during testing of the router.
!
FC loop ID—If the router is installed on an FC loop, you can change each channel’s
Loop ID to meet your needs. You have two options for setting the Loop ID:
– SOFT—Use this setting if you do not care if the router’s Loop ID changes when
you power down and power up. This setting lets the FC loop initialization
process determine the Loop ID.
– Any number between 0 and 125—Select a specific number if you want the Loop
ID to stay the same after you power down and power up. The Router
Administrator software cannot tell you which Loop IDs are available. To be sure
that you have successfully assigned the Loop ID you want, check the Loop ID
after you reboot the router. If the router cannot get the specified Loop ID during
the loop initialization process, it will try to get a soft address.
!
Router FC LUN—The router has just one FC LUN that you can change while you
configure the FC channels. You can have three options for setting the router FC LUN:
– SOFT—Use this setting if you do not care if the router’s FC LUN changes when
new devices are added to the back end. This setting assigns the FC LUN to the
router after assigning the FC LUNs for the attached devices.
– Any number between 00 and 63—Select a specific number if you want the
router’s FC LUN to stay the same when you add new devices and after you
power down and power up.
– NONE—Use this setting if you do not want the router to display as a device on
the host. The router’s LUN only needs to be visible if you are using CAPI or the
Extended Copy function. If you are not using either of these, you can use the
NONE setting.
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Changing Router Configuration
Note: When using an EC-enabled router, the router LUN must be visible
to perform Extended Copy in some software applications.
!
Link speed—You should set the FC channel link speed to match your FC speed. You
can set the speed to: 1GB, 2 GB, or AUTO. AUTO attempts to determine the speed of
the link/loop and configures the FC chip appropriately.
To configure an FC host channel:
1 From the System Menu, select Configuration Menu and press Enter.
The Configuration Menu screen displays.
2 Select Host Configuration and press Enter.
The Channel screen displays.
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3 Select the FC channel you want to configure and press Enter.
The Enabled/Disabled screen displays with the current setting marked
with an *.
4 Select Enabled or Disabled and press Enter.
If you are not using one channel, you should disable it. If you do not, performance
will be slower because the router will continue to try to acquire a link to it.
The Topology screen displays with the current setting marked with an *.
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Changing Router Configuration
5 Select the Topology that matches your configuration and press Enter:
– LOOP—use this option for all configurations except when the channel is
connected to a switch F-port. See Installation Configuration Examples on
– POINT-TO-POINT—use this option only when you connect the channel to a
– AUTO—Automatically detects the configuration based on loop initialization
process or port address of switch or fabric. Use this option when you do not know
what topology you are using or when you plan to change the configuration as you
might during testing of the router.
The Link Speed screen displays with the current setting marked with an *.
6 Select the speed you want and press Enter.
You can set the speed to: 1GB, 2 GB, or AUTO. AUTO attempts to determine the
speed of the link/loop and configures the FC chip appropriately.
If you selected Loop as the topology, the Loop ID screen displays showing the
current setting.
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7 If the Loop ID screen displays, select the option or number you want to use and press
Enter.
To
Do this
Let the FC loop initialization process
determine the Loop ID for the channel each
time the router powers up
!
Select SOFT and press Enter.
This is the default setting
Keep the same Loop ID for the channel at all
times
!
Select the [Loop ID] you want to use
and press Enter.
This can be any number from 0 to
125.
how the value selected for the Loop ID will correspond to the AL_PA.
The Router LUN screen displays. The text inside the parenthesis ( ) shows the
current Router LUN.
8 Select the option or number you want to use and press Enter.
To
Do this
Let the router determine the router LUN
each time the it powers up
!
Select SOFT and press Enter.
This is the default setting.
Keep the same LUN for the router at all
times
!
Select the [LUN] you want to use and
press Enter.
This can be any number from 00 to
63.
Not assign the router an FC LUN
!
Select NONE and press Enter.
The system confirms that you want to make the changes.
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Changing Router Configuration
9 Select Yes and press Enter to make the changes.
The system confirms that the changes are made.
10 Press Enter to return to the Host Configuration Menu.
Note: If you change the topology, FC Link Speed, Loop ID, or router
LUN, you must reboot the router for the change to take effect. See
Rebooting the Router on page 3-23. If you entered a specific Loop ID or
LUN, check it to see if the current setting is what you entered. If the Loop
ID or LUN is not what you want, change it again.
Changing the SCSI ID Assigned to Each Router
Channel
The router assigns each of its SCSI channels one of the SCSI IDs (initiator IDs), leaving
15 SCSI IDs available for devices. You can change the SCSI ID assigned to each SCSI
channel.
To change the SCSI ID assigned to a SCSI channel:
1 From the System Menu, select Configuration Menu and press Enter.
The Configuration Menu screen displays.
2 Select Channel Configuration and press Enter.
The Channel Configuration screen displays.
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3 Select the SCSI channel (0-5) whose SCSI ID you want to change and press Enter.
The Channel screen displays.
4 Select the SCSI ID (Initiator ID) you want to use for this channel and press Enter.
Depending on the model you have, other screens may display.
The Disable Domain Validation screen displays. The current setting is marked with
an * next to it.
5 Select the option you want and press Enter.
Domain validation—You can enable or enable this function that checks for disk
channel hardware and cable problems to ensure that you can run at Ultra160 speed.
Some drives do not support this function and return false problems. You should
disable the function for in those situations.
The system confirms that you want to make the change.
6 Select Yes and press Enter to make the changes.
The system confirms that the changes are made.
7 Press Enter to return to the Configuration Menu.
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Changing Router Configuration
Setting the Date and Time
You can set the router’s date and time.
To set the router’s date:
1 From the System Menu, select Configuration Menu and press Enter.
The Configuration Menu screen displays.
2 Select Set Date/Time and press Enter.
The Set Date/Time screen displays.
3 Select Set Date and press Enter.
The Set Date screen displays.
4 Enter the date you want and press Enter.
Enter the date in the following format: MM/DD/YYYY.
The system confirms that you want to make the change.
5 Select Yes and press Enter to make the changes.
The system confirms that the changes are made.
6 Press Enter to return to the Configuration Menu.
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To set the router’s time:
1 From the System Menu, select Configuration Menu and press Enter.
The Configuration Menu screen displays.
2 Select Set Date/Time and press Enter.
The Set Date/Time screen displays.
3 Select Set Time and press Enter.
The Set Time screen displays.
4 Enter the time you want and press Enter.
Enter the time using a 24-hour clock in the following format: hh:mm:ss.
The system confirms that you want to make the change.
5 Select Yes and press Enter to make the changes.
The system confirms that the changes are made.
6 Press Enter to return to the Configuration Menu.
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Changing Router Configuration
Changing the Scan Delay
You can control how long the router waits before scanning its SCSI channels for devices.
You may want to change this setting if you have devices that take longer to come ready
than the router (for example, after a system wide power cycle).
To change the scan delay:
1 From the System Menu, select Configuration Menu and press Enter.
The Configuration Menu screen displays.
2 Select Scan Configuration and press Enter.
The Scan Configuration screen displays.
3 Select the number of seconds you want the router to wait and press Enter.
You can select any number between 0 and 255.
The system confirms that you want to make the changes.
4 Select Yes and press Enter to make the changes.
The system confirms that the changes are made.
5 Press Enter to return to the Configuration Menu.
Enabling and Disabling the Alarm
You can enable or disable the audible alarm that sounds when the router becomes too hot
or detects low or high voltage. The alarm sounds a warning. If the problem is not resolved,
the alarm will continue to sound until intervention is taken.
The alarm conditions make the ST (status) light blink and also trigger an event message
that displays in the Router Administrator software window and in the event log. See
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Table 3-4 shows the temperature and voltage thresholds for each alarm and what to do to
resolve the problem.
Table 3-4. Alarm thresholds
Alarm threshold
What to do when the alarm sounds
CPU temperature
!
Check the Router Administrator software to confirm
what the alarm means. See Configuring the Router
Warning—0°C to 4°C and
91°C to 100°C
!
Check that the CPU fan is running and is not
obstructed.
Shutdown—<0°C and >100°C
On-board temperature
!
!
You can feel if the fan is running by placing your hand
on the rear panel of the router near the power switch.
Check the ambient temperature and lower it, if needed.
Ambient temperature should be less than 45°C.
Warning—0°C to 4°C and
57°C to 61°C
Shutdown—<0°C and >61°C
VCC voltage
!
Check the Router Administrator software to confirm
what the alarm means. See Configuring the Router
If it is a warning alarm, let the router continue to
operate.
Warning—5V -5.0% and +6.5%
Shutdown—5V -6.5% and +10%
!
!
If it is a shutdown alarm, turn off the power to the
router and send it for service.
12V voltage
!
Same as above for the VCC voltage.
Warning—12V -10% and +10%
Shutdown—12V -20% and +20%
To enable or disable the alarm:
1 From the System Menu, select Configuration Menu and press Enter.
The Configuration Menu screen displays.
2 Select Alarm and press Enter.
The Alarm screen displays. The current setting is marked with an * next to it.
3 Select the option you want and press Enter.
The system confirms that the changes are made.
4 Press Enter to return to the Configuration Menu.
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Rebooting the Router
Restoring the Default Settings
You can restore all of the router’s default settings. You may want to do this if the router is
not working properly and you cannot determine why. This lets you then change the
settings that are critical to your configuration, specifically the topology.
To restore the default settings:
1 From the System Menu, select Configuration Menu and press Enter.
The Configuration Menu screen displays.
2 Select Restore Defaults and press Enter.
The Restore Defaults screen displays. The selected option is marked with an * next to
it.
3 Select Yes and press Enter to make the change.
The system confirms that the changes are made.
4 Press Enter to return to the Configuration Menu.
Rebooting the Router
You must reboot the router after you change the topology, FC Link Speed, Loop ID, or
router LUN. You should also reboot the router when you connect new devices.
To reboot the router:
1 From the System Menu, select Shutdown/Restart and press Enter.
The system confirms that you want to shut down.
2 Select Yes and press Enter.
The system confirms that it has shut down.
3 Press Enter to reboot.
The system performs its self-test. When you see the Router Administrator initial
4 If you are connected via Telnet, disconnect and reconnect the Telnet session.
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Changing and Displaying Device Information
You can change and display information about the devices connected to the router using
the Router Administrator. You can:
!
!
!
!
!
Change the mapping mode (AUTO or FIXED)
Change device addresses
Change the addressing method
Display the devices attached to the router
Display the FC-to-SCSI address map
Changing the Mapping Mode (AUTO or FIXED)
You can change how the router maps the addresses of the devices on the SCSI channels to
FC LUNs. You have two options for the mapping mode, which affects all six SCSI
channels on the FS2620R:
!
AUTO—lets the router assign an FC LUN to each device anytime you power up the
router. The router maps sequentially as it scans the channels and discovers devices
(devices are discovered by channel, lowest SCSI ID and LUN first). Devices are
mapped to FC LUNs, starting from LUN 0 to LUN 63 (64 LUNs are supported).
!
FIXED—locks the current mapping for each device. This reserves the devices’ same
FC LUN over power cycles (SCSI channel:target:LUN combination), even when you
power down and power up the router. The router also retains the mapping, if the
devices are added, moved, or removed. The FIXED mode is recommended for
environments where device configuration may change and a FIXED mapping from
the application to the target devices is required. Devices added after selecting FIXED
will be automatically mapped to an available FC LUN.
For example, either a disk drive or a tape drive would map to the same FC LUN if the
disk drive at a particular SCSI channel:target:LUN is replaced with a tape drive at the
same SCSI channel:target:LUN.
To change the mapping mode:
1 From the System Menu, select Address Mapping and press Enter.
The Address Mapping screen displays.
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Changing and Displaying Device Information
2 Select Mapping Mode press Enter.
The Mapping Mode screen displays. The current setting is marked with an * next to
it.
3 Select the option you want and press Enter:
AUTO—lets the router assign the FC LUN to each device anytime you power up the
router.
FIXED—tells the router to keep the same FC LUN as currently assigned for each
device. This reserves the same FC LUN for each device, even when you power down
and power up the router. The router retains the FC LUN, even if the device is no
longer connected.
If FIXED mode, the controller auto maps new devices.
The system confirms that the changes are made.
Note: New devices that are added when in FIXED mode are mapped
automatically.
4 Press Enter to return to the Address Mapping screen.
Changing Device Addresses (FC LUNs)
You can change the FC LUN for any device connected to the router. You can manually
change the FC LUNs when the address mapping mode is set to FIXED. As long as you
stay in FIXED mode, all FC LUNs you change will be retained even if the device or router
is powered off and back on or if the device is removed and reconnected.
You can set the FC LUN for devices to any number between 00 and 63 by selecting the FC
LUN that you want the device to map to. You cannot select the same FC LUN as the
router’s LUN.
When in FIXED mode, the router will discover any new devices or existing devices that
were removed and reconnected to a different location. These newly discovered devices
will be in AUTO mode and will be assigned an FC LUN by the router. You can change
these FC LUNs by following the steps below.
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If you assign an FC LUN that is already in use, the FC LUNs for the two devices are
swapped. For example, if device A has LUN 01 and device B has LUN 03, and you assign
03 to device A, the LUN for device B becomes 01.
To change the device FC LUNs:
1 Set the address mode to FIXED.
2 From the System Menu, select Address Mapping and press Enter.
The Address Mapping screen displays.
3 Select Display Address Map press Enter.
The Display Address Map screen displays.
4 Select the device whose LUN you want to change and press Enter.
The Change Address Map screen displays. The text inside the parentheses ( ) shows
the current FC LUN
5 Select the FC LUN number you want to use for this device and press Enter.
You can select any number between 00 and 63.
The system confirms that you want to make the changes.
6 Select Yes and press Enter to make the changes.
The system confirms that the changes are made.
7 Press Enter to return to the Address Mapping screen.
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Changing and Displaying Device Information
Changing Addressing Method
1 From the System Menu, select Addressing Method and press Enter.
The Addressing Method screen displays.
2 Select Addressing Method and press Enter.
The Addressing Method screen displays.
3 Select the option you want and press Enter (the systems confirms the change).
– PERIPHERAL DEV—Router addresses each device by its FC LUN. This is the
default setting.
– LOGICAL UNIT—Router addresses each device by bus, target ID, and LUN.
The extra information might be needed by HP Unix or other operating systems.
Displaying the Devices Connected to the Router
You can display a list of the SCSI devices connected to the router.
The list includes the following information for each device:
!
!
!
!
!
SCSI channel number
SCSI ID
LUN
Device type number (from the SCSI inquiry data)
Bytes 8 through 31 of the standard SCSI inquiry data, which normally includes:
– Vendor ID
– Product ID
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To display the devices connected to the router:
1 From the System Menu, select Display Devices and press Enter.
The Display Devices screen displays.
2 Press Esc to return to the System Menu.
Displaying the FC-to-SCSI Address Map
You can display the FC-to-SCSI address map for all of the SCSI devices connected to the
router. The address map includes the following information for each device:
!
!
!
FC LUN
Device ID (Channel number:SCSI ID:LUN)
Bytes 8 through 31 of the standard SCSI inquiry data, which normally includes:
– Vendor ID
– Product ID
Mapping mode
!
The address map lists devices in ascending order based on the FC LUN, including the
router itself if it has an FC LUN assigned to it.
To display the address map:
1 From the System Menu, select Address Mapping and press Enter.
The Address Mapping screen displays.
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Displaying Router Information
2 Select Display Address Map press Enter.
The Display Address Map screen displays.
3 Press Esc to return to the Address Mapping screen.
Displaying Router Information
You can display important information about the router using the Router Administrator,
including:
!
!
!
Displaying the Event Log
The router’s event log contains important information about the status of the router. A
complete event log provides a detailed history of devices and configuration that can be
useful for troubleshooting. Below is a list of the events included in the log.
!
!
!
!
!
!
!
!
!
!
!
Restore defaults
Config changed
Cntlr params set
Router shutdown
Power up
Firmware update
Temperature warning
Temperature failure (this leads to a shutdown of router which is logged as a shutdown)
Voltage warning
Voltage failure (this leads to a shutdown of router which is logged as a shutdown)
FC Link Status
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You should check the log regularly. The event log stores the most recent 400 events.
Events are numbered from 001 to 999. The numbering wraps back to 001 after reaching
999.
Note: If you are having a problem with the router, check the event log
before calling technical support. Event messages may help you resolve the
problem without calling.
You can view the event log two ways:
!
!
One event at a time, most recent event first
Full page of events at a time
To display one event at a time:
1 From the System Menu, select Event Log Menu and press Enter.
The Event Log Menu screen displays.
2 Select View Event Log and press Enter.
The Event Log screen displays the last event that occurred.
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Displaying Router Information
3 Press ↑ to see the previous event.
You can continue to view earlier events by pressing ↑.
4 Press Esc to return to the Event Log Menu.
To display a full page of events:
1 From anywhere in the Router Administrator software, press CTRL-E until the event
log is displayed at the bottom of the screen.
A full screen of events displays with the most recent event at the bottom.
2 Press d to page down or u to page up in the log.
3 Press Esc to return to where you started from.
Capturing the Event Log File
You can also capture the entire event log, which saves it to a file on your hard drive. This
is useful if you want to print the log or attach it to an e-mail message.
The steps below use HyperTerminal as the terminal emulator software. If you use a
different terminal emulator, your procedure may be different.
Note: A complete event log provides a detailed history on devices and
configurations that may be useful for troubleshooting.
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To capture the event log file:
1 With HyperTerminal up and running as your RS-232 interface terminal, press
CTRL-E until the event log displays.
A full screen of events displays with the most recent event at the bottom.
2 From the Transfer menu in HyperTerminal, select Capture Text.
The Capture Text window displays.
3 Enter the path and file name you want to use to store the log file contents.
4 Click Start.
5 Press P on the keyboard and to begin the transfer.
6 From the Transfer menu in HyperTerminal, select Capture Text.
The Capture Text window displays.
7 Click Stop.
Displaying Hardware and Configuration Information
You can display the router’s hardware and configuration information. This is where you
can see what version of the firmware you have. Chaparral technical support personnel may
also request this information.
You can display the hardware and configuration information two ways:
!
!
Hardware information only
Hardware and configuration information
Table 3-5 lists the configuration information that is available.
Table 3-5. Configuration information
Group
Field
What displays
Field
What displays
HOST 0
HOST 1
Topology
Loop or Point-to-Point based
on the topology set in the
Router Administrator
software. If set to Loop, the
router detects if it is attached
to a public loop (router is
attached to the FL-port of a
switch) or a private loop.
Note: An * indicates that the
router is currently operating
in a different topology.
Port
Enabled—Port is operating
Enabled
Disabled—Port is not
operating
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Displaying Router Information
Table 3-5. Configuration information (Continued)
Group
Field
What displays
Field
What displays
FC Speed
1G
2G
Auto
GBIC
receive
status
Signal present—FC is up and
running
No signal—FC is not up and
running
Node
WWN
FC World Wide Name for
node.
Port WWN FC World Wide Name for
port.
Loop ID, if SOFT or a specific number
Current
Loop
ID/Loop
Inactive
Currently
the
as set in the Router
assigned value if
the topology is
LOOP, or
topology is
LOOP.
Administrator software.
Inactive if the
FC link is not
active.
FC Addr
24-bit FC address or None if
the FC link is not active.
AL_PA, if
the
topology is
LOOP.
Currently
assigned value
or None if the
FC link is not
active.
Router
LUN
SOFT, NONE, or specific
number as set in the Router
Administrator software.
Current
Currently
assigned value
or Inactive if the
Router LUN is
set to NONE.
CHAN 0-5 Initiator ID SCSI ID of router on each
channel as set in the Router
Bus Speed
Hardware runs
as Ultra3 160
MB/sec
Administrator software.
Domain
Enabled or Disabled
Validation
ROUTER
Alarm
ENABLED or DISABLED
as set in the Router
Scan Delay Number of
seconds the
Administrator software.
router waits to
the scan the bus
as set in the
Router
Administrator
software.
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Table 3-5. Configuration information (Continued)
Group
Field
What displays
Field
What displays
Mapping
Mode
FIXED or AUTO as set in
the Router Administrator
software.
Extended
Copy
ENABLED or
DISABLED as
set in the Router
Administrator
software.
Addressing PDA or LUA as set in the
Method
Router Administrator
software.
CAPI
Version
Version of the Configuration
Application Programming
Interface.
FC LIB
Version
Version of the FC library.
To display hardware information only:
1 From the System Menu, select Utilities Menu and press Enter.
The Utilities Menu screen displays.
2 Select Hardware Information and press Enter.
The Hardware Information screen displays.
3 Press Esc to return to the Configuration Menu.
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Displaying Router Information
To display hardware and configuration information:
1 From anywhere in the Router Administrator software, press CTRL-E until
HW Info: is displayed at the bottom of the screen.
2 Press CTRL-E again.
The CFG Info screen displays.
3 Press d to page down to display the second page of information.
4 Press Esc to return to where you started from.
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Displaying the Router’s FC LUN
You can display the router’s FC LUN and the FC LUNs of each device connected to the
router.
To display the router’s LUN:
1 From the System Menu, select Address Mapping and press Enter.
The Address Mapping screen displays.
2 Select Display Address Map and press Enter.
The Display Address Map screen displays listing the router and all devices in the
order of their assigned FC LUN. In the example screen below, the router is the last
item.
3 Press ↓ to page down or ↑ to page up in the list.
4 Press Esc to return to the Address Mapping screen.
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Upgrading Firmware
Upgrading Firmware
You can upgrade the firmware for the controller and the Ethernet card in the router.
Information regarding the latest release of firmware and firmware updates is available
Chaparral technical support for firmware updates at (303) 845-3200.
Upgrading the Controller’s Firmware
You use the Flash Utility to download new firmware (.fla file) for your router, to auto-
detect your VT-100/ANSI terminal baud rate, and to run on-board diagnostics. The Flash
Utility is resident in the embedded firmware of the router.
You access the Flash Utility using a computer with VT-100/ANSI terminal emulator
software, such as HyperTerminal, connected to the router through the serial RS-232
interface. The router auto-detects the baud rate when you hold down the space bar on the
computer while powering-on the router. Valid baud rates are 9,600, 19,200, 38,400,
57,600 and 115,200. The default baud rate is 115,200 and is recommended to expedite the
download process.
To upgrade the router’s firmware:
1 Call Chaparral technical support for information about downloading the firmware
updates.
2 From the computer connected to the router, access the Router Administrator
software.
3 From the System Menu, select Shutdown/Restart and press Enter.
The system confirms that you want to shut down.
4 Select Yes and press Enter.
The system confirms that it has shut down.
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5 Press Enter to reboot.
6 While the router reboots, hold down the space bar on your keyboard.
The Flash Utility screen displays.
7 Press the number on your keyboard that corresponds to the protocol you want to use
to transfer the firmware upgrade file from your computer to the router.
We recommend using the KERMIT protocol.
The system shows that it is ready to use KERMIT.
8 Using your terminal emulator software, send the .fla file using KERMIT.
If you are using HyperTerminal, select Transfer | Send File, navigate to where the
firmware update file is located, select it, and click Open. Select the same Protocol
from the drop-down list as you selected from the Flash Utility screen. Click Send.
The file transfers. The system displays messages showing that it is flashing the code
and rebooting the router.
Caution: Do not interrupt the power when transferring the new firmware.
!
Upgrading LAN Firmware
You can also update the firmware for the Ethernet card inside the router. The firmware is
contained in a .bin file.
To upgrade the Ethernet card’s firmware:
1 Call Chaparral technical support for information about downloading the firmware
updates.
2 From the computer connected to the router, access the DOS window.
3 At the DOS prompt change to the directory where you downloaded
the .bin file.
4 Enter:
FTP [router’s IP address]
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Upgrading Firmware
5 At the User prompt enter:
flash
6 At the Password prompt enter:
flash
7 At the FTP prompt enter:
hash
8 At the FTP prompt enter:
put [bin file name] flash
You will see the downloading progress displayed on the screen.
9 When you see the rebooting message wait 60 seconds.
❒
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4
Troubleshooting
Resolutions to common problems you may encounter are described in the following
sections. This section describes troubleshooting using the RS-232 serial port.
Caution: Do not remove the router’s cover. The router has no user-
serviceable parts. Removing the cover will void the warranty.
!
Chaparral Technical Support
For assistance configuring and using your Chaparral product, contact your
authorized distributor or send an e-mail to Chaparral technical support at
Problems During Bootup
The following section describes problems you might encounter during Power On Self-Test
(POST) or during bootup and explains how to resolve those problems.
Problem: Router failed the onboard memory test.
Solution: When this failure occurs, it means the internal CPU memory failed. Replace the
router to correct the problem.
Problem: System hangs at Loading Bridge during Flash Loader Menu.
Firmware on page 3-37. If you cannot update the firmware or if the updated firmware
does not correct the problem, replace the router.
Problem: One of the POST diagnostic tests failed.
Solution: Contact Chaparral technical support.
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Problem: The system hangs after the “All diagnostic tests passed” message or while
scanning devices.
Solution: Follow these steps to resolve the problem:
1 Verify there are no SCSI address conflicts.
2 Check the connected SCSI devices to make sure everything is properly connected
and SCSI termination is correct. See Restoring the Default Configuration Through
3 Check to make sure the devices work properly on a different router, make sure you
are not combining HVD and LVD/SE devices.
Restoring the Default Configuration Through the
Flash Utility
You can clear the router configuration and restore all router default settings without
accessing the Router Administrator software. You may want to do this if the router is not
working properly or the system hangs after the “All diagnostic tests passed” message, as
shown on the following screen.
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Problems During Bootup
To restore the default configuration:
1 After powering on the system, hold down the space bar to prevent the system from
rebooting.
The Flash Utility screen displays.
2 Select 6. Utility Menu and press Enter.
The Utility Menu screen displays.
3 Select 2. Clear Configuration and press Enter.
4 The system confirms that you want to make the change. Enter Y to confirm and press
Enter to clear the configurations.
5 The system confirms that the changes are made.
6 Press q to quit the Utility Menu.
7 Select 5. Run Bridge to verify the configurations have been cleared.
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Terminal Emulator and COM Port Problems
Problem: Screen continuously puts out garbage characters.
Solution: The likely cause of this problem is a baud rate mismatch between the terminal
emulator and the router. The default baud rate is 115,200 bps. Follow these steps if you set
your terminal emulator to this rate and still get garbage characters:
1 Turn off the power to the router.
2 Press the spacebar of your terminal emulator.
3 Turn on the power while continuing to press the spacebar. This will allow the router
to autodetect the baud rate setting.
4 When the Flash Utility appears, select 5. Run Bridge to continue to boot the router.
Note: Some terminal emulators don’t immediately change to the new
baud rate settings, and you have to exit and restart the emulator to use the
new settings.
Problem: Nothing is displayed on the terminal emulator.
Solution: The probable cause of this problem is your terminal emulator software is not
configured correctly.
Problem: Screen is updated, but won’t respond to keystrokes.
Solution:
1 Check that all the cables are connected properly.
2 Check that the correct COM port is enabled and configured.
3 Check that your terminal emulator software is configured properly.
4 Contact your authorized Chaparral distributor.
Problem: Screen looks correct, but clock is not being updated.
Solution: Check to be sure that router is still powered on. If you are using XON/XOFF,
press Ctrl-q.
Problem: Screen is updated and menus appear right, but boxes around menus look
incorrect.
Solution: Try a different font in your terminal emulator program. If you cannot find a font
that looks correct, set ASCII Display to Yes in the Display options item of the
Configuration menu.
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Device SCSI Channel Problems
Device SCSI Channel Problems
Problem: Not all drives connected to the router device channels are displayed during
boot, or the router hangs during display of connected drives and never reaches the Router
Administrator screen.
Solution: Check your JBOD or tape library documentation to be sure that the device is
properly configured. If your device supports removable drives, check the drive shuttles to
be sure that the power connectors, SCSI connectors, and SCSI cables are properly seated.
Check termination and SCSI ID assignment.
Router is Not Responding
Problem: The router is turned on and connected, but is not working properly and its LED
lights are not lit.
Solution: Replace the fuse.
Note: Be sure to use an F2H, 250V fuse.
1 Insert a small flat-blade screwdriver under the tab where the fuse is located and pull
out the fuse and fuse box.
2 Remove the spare fuse from the box and replace the old fuse.
3 Reinstall the fuse and fuse box.
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Setting Up Debug Logging
The router has a debug log that you can view by pressing CTRL-E. Pressing CTRL-E
toggles you through the event log, debug log, hardware information, and configuration
information screens.
You can set up additional logging when instructed by Chaparral’s technical support
personnel.
To set up debug logging:
1 From the System Menu, select Utilities Menu and press Enter.
The Utilities Menu screen displays.
2 Select Debug Log Enable and press Enter.
The Debug Log Enable screen displays.
3 Select each logging item that you want to turn on and press Enter.
4 Select Save Changes and press Enter.
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Using the Loader Diagnostics Menu
Using the Loader Diagnostics Menu
A set of diagnostics is run each time you boot the router. You can run each test
individually to confirm any errors.
To run an individual test:
1 While booting the router, hold down the spacebar. The Loader menu appears.
2 Select 4. Run diagnostics.
3 Select 1. Configure all PCI devices.
4 Enter the number or letter of the particular test you want to run.
Then use the information in Table 4-1 to find solutions to a particular diagnostic failure.
Problem: When I try to run the diagnostics, it hangs at loading diagnostics.
Using the Loader Utility Menu
You can use the Loader Utility menu to initialize the router if it had a previous
configuration. For example, you can use this to restore the default settings when the router
hangs and you cannot access the Router Administrator software.
To run the Loader Utility menu:
1 While booting the router, hold down the spacebar. The Loader menu appears.
2 Select 6. Utility Menu.
3 Enter the number of the utility you want to run.
Voltage and Temperature Errors and Warnings
Most voltage and temperature errors occur due to environmental conditions. See Table 1-1
on page 1-5 for environmental specifications.
❒
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A
Address and Device Mapping
SCSI devices attached to the router are discovered during power on. The router defaults to
AUTO mapping mode, which automatically maps the SCSI devices at each power on. The
router maps devices sequentially as it scans the channels and discovers the devices
(devices are discovered by channel, lowest SCSI ID and LUN first). Devices are mapped
to FC LUNs, starting from LUN 0 to LUN 63 (64 LUNs are supported, including an
optional router LUN).
You can select the FIXED mapping mode to lock the current device mapping so that it
doesn’t change during subsequent power cycles, even if devices are added, moved, or
removed. FIXED is recommended for environments where device configuration may
change and a fixed mapping from the application to the target devices is required. Devices
added after selecting FIXED will be automatically mapped to an available FC LUN. See
Figure A-1 on page A-2 is an example of how the router will map SCSI devices (SCSI
channel:target:LUN) to FC LUNs.
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Figure A-1. FS2620R device address mapping
Loop ID to AL_PA Mapping
During the Fibre Channel Arbitrated Loop (FC-AL) initialization process, a unique
Arbitrated Loop Physical Address (AL_PA) value is assigned to each port on the loop.
Not all of the 256 hex values are allowed as AL_PA values per FC-AL, so Loop IDs are
used to represent the 125 addresses that the router can use. You can assign a Loop ID to
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Loop ID to AL_PA Mapping
Table A-1 shows how a Loop ID value maps to an AL_PA. If you set the Loop ID to
SOFT, the router attempts to obtain an available Loop ID, in the following order: 0, 1, 2,
etc.
Table A-1. Arbitrated loop physical addresses
Loop ID AL_P
Loop ID AL_P
Loop ID AL_P
(decima
l)
A
(hex)
(decima
l)
A
(hex)
(decima
l)
A
(hex)
0
EF
E8
E4
E2
E1
E0
DC
DA
D9
D6
D5
D4
D3
D2
D1
CE
CD
CC
CB
7C
7A
79
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
80
81
82
83
84
85
86
87
88
89
90
CA
C9
C7
C6
C5
C3
BC
BA
B9
B6
B5
B4
B3
B2
B1
AE
AD
AC
AB
55
38
39
AA
A9
A7
A6
A5
A3
9F
9E
9D
9B
98
1
2
40
3
41
4
42
5
43
6
44
7
45
8
46
9
47
10
11
12
13
14
15
16
17
18
57
58
59
60
61
62
63
64
65
66
67
48
49
97
50
90
51
8F
88
52
53
84
54
82
55
81
56
80
103
104
105
106
107
108
109
110
111
112
113
31
54
2E
2D
2C
2B
2A
29
53
76
52
75
51
74
4E
4D
4C
4B
4A
49
73
72
27
71
26
6E
6D
25
23
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Table A-1. Arbitrated loop physical addresses (Continued)
Loop ID AL_P Loop ID AL_P Loop ID AL_P
(decima
l)
A
(hex)
(decima
l)
A
(hex)
(decima
l)
A
(hex)
68
69
70
71
72
73
74
75
76
77
78
79
6C
6B
6A
69
67
66
65
63
5C
5A
59
56
91
92
47
46
45
43
3C
3A
39
36
35
34
33
32
114
115
116
117
118
119
120
121
122
123
124
125
1F
1E
1D
1B
18
17
10
0F
08
04
02
01
93
94
95
96
97
98
99
100
101
102
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B
Configuring the Router for TCP/IP
Before you can access the Router Administrator software using the Ethernet port, you
must set up your router for TCP/IP. The following sections describe the router’s TCP/IP
setup.
A router that is part of a TCP/IP network requires three basic IP configuration elements: IP
address, subnet mask, and default gateway IP address. The router’s IP address must be
unique to the network in which the router resides. If the router is part of a publicly routed
network (that is, attached to the Internet), the address must be globally unique.
Router Administrator Using the Ethernet Port on page 3-3. This appendix describes how
to configure the TCP/IP settings for the first time starting from the factory set defaults.
You must initially set up your computer with TCP/IP settings that are compatible with the
router. This lets you access the router and configure it. Since you might not want to change
your computer’s settings, you can alternatively use address resolution protocol (ARP) to
temporarily set them.
Using Address Resolution Protocol
The ARP configuration method requires no IP address re-configuration of any computer
on the network. The ARP command is available in various forms and sometimes with
varying syntax, in UNIX and Windows systems.
All routers are shipped with a unique Media Access Control (MAC) hardware address
(sometimes referred to as a physical address). Chaparral Network Storage MAC addresses
have the format “00-50-13-fx-xx-xx,” where “x-xx-xx” is unique to each router. The
router MAC address can be found on a label on the bottom of the router.
Note: TCP/IP protocol requires that all devices in a subnet have the same
octets, typically for the first three octets. For example, to use the default
Chaparral IP address of 10.0.0.1, other computers on the subnet must be
10.0.0.X, where X is the value between 2 and 255. ARP is useful because
you can temporarily assign a compatible IP address to the router.
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To use ARP to resolve addresses in Windows:
1 You must first place the MAC address of the router being set up into your computer’s
ARP cache using the following command:
arp -s IP address 00:50:13:fx-xx-xx.
In this command, 00-50-13-fx-xx-xx is the router’s unique MAC address, and IP
address is the IP address you or your LAN system administrator have chosen to use
as the IP address for the router.
This ARP command adds a static MAC- to-IP address binding to your computer. For
example, if you wanted to bind the router with the factory MAC address of 00-50-13-
f0-10-00 to the IP address 169.205.7.22, you should type arp –s 169.205.7.22 00-50-
13-f0-10-00.
Note: UNIX users see MAN Pages for ARP in your OS.
2 After entering the MAC address-to-IP address mapping into your computer’s ARP
cache, you can issue the command ping 169.205.7.22 to send a request to the router.
If the router addressed by the ping command does not respond, check the LAN
connection on the router. If the ping command addressed to the router was
successful, use Telnet to access the router using the IP address you just configured
(for example, 169.205.7.22). Once connected through Telnet, the router’s IP address,
subnet mask, and default gateway can be set up through menus described in
Dynamic Host Configuration Protocol
Configuration
The Dynamic Host Configuration Protocol (DHCP) is a protocol designed to make IP
address assignment dynamic and automatic. When a router is configured in DHCP mode,
it generates a request for an IP address. The address is provided to the router and can be
used from that point forward. See Accessing the Router Administrator Using the Ethernet
Port on page 3-3 for accessing the Router Administrator software through the Ethernet
port, including enabling DHCP.
In the dynamic address assignment mode, an IP address are leased to a DHCP-configured
router. You should ask your system administrator to configure your network so the router
Administrator Using the Ethernet Port on page 3-3 presents configuring the router host
name and the default host names for which the router has been configured.
In the event you configure your router to DHCP and do not know which IP address was
assigned automatically, you can use ARP to discover which IP address was assigned to the
router by the DHCP server.
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Simple Network Management Protocol Configuration
To discover which IP address was assigned to the router:
1 Follow the steps above for ARP to bind the router MAC address to a temporary static
IP address.
2 Use the command arp –g to display your computer’s the IP-to-MAC address table.
This table contains two entries corresponding to the router MAC address. One of the
entries contains the temporary static IP address you just bound to the router MAC
address, and the other entry is the DHCP-assigned IP address. You can use the
DHCP assigned address to access the router from any computer on the network.
Simple Network Management Protocol
Configuration
Remaining TCP/IP parameters, such as Simple Network Management Protocol (SNMP)
traps, can be configured after the TCP/IP configuration is done. Ask your system
administrator to configure these parameters according to the requirements of your LAN.
For more information about SNMP implementation, contact Chaparral regarding SNMP,
❒
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C
Reference Documents
Standards
X3T11/Project 755D Fibre Channel Physical and Signaling Interface (FC-PH)
Specification - ANSI Standard X3.230-1994
X3T11/Project 1133D Fibre Channel Arbitrated Loop (FC-AL-2) Specifications, Rev 6.1 -
Draft ANSI Standard
X3T11/Project 959D Fibre Channel Switch Fabric (FC-SW) – Draft ANSI Standard
X3T11/Project 1162DT Fibre Channel Private Loop SCSI direct attach (FC-PLDA) –
Draft ANSI Standard
X3T10/Project X3.269-199X Fibre Channel Protocol for SCSI, (FCP) Revision 12 -
ANSI Standard X3.269-199X.
X3T10/Project 1144D Fibre Channel Protocol for SCSI, Second Revision (FCP-2)
revision 00 – Draft ANSI Standard
X3T9.2/86-109 SCSI-2 Specification - ANSI Standard
X3T10/Project (various, see table below) SCSI-3 Working drafts for:
Document title
Abbreviation Project Number
SCSI-3 Architecture Model
SCSI-3 Block Commands
SCSI-3 Stream Commands
SCSI-3 Graphics Commands
SAM
SBC
SSC
[T10/994-D]
[T10/996-D]
[T10/997-D]
[T10/998-D]
[T10/999-D]
SGC
SMC
SCSI-3 Medium Changer
Commands
SCSI-3 Controller Commands SCC
[T10/1047-D]
[T10/1048-D]
SCSI-3 Multimedia
Commands
MMC
SCSI-3 Enclosure Services
SCSI-3 Primary Commands
SCSI-3 Parallel Interface
SES
[T10/1212-D]
[T10/995-D]
SPC
SPI, SPI-2
[T10/855-D,
T1142D]
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SCSI-3 Fast-20 Parallel
[T10/1071-D]
Interface
SCSI-3 Interlocked Protocol
SCSI-3 Serial Bus Protocol
SIP
[T10/856-D]
[T10/992-D]
SBP
Note: Working draft standards documents in this section are available
The exact status, revision level, and location may change as the drafts become standards
and are released.
Approved American National Standards and Technical Reports may be purchased from:
ANSI
11 West 42nd Street
13th Floor
New York, NY 10036
Sales Dept: (212) 642-4900
or from:
Global Engineering Documents
15 Inverness Way East
Englewood, CO 80112-5704
Phone: (800) 854-7179; Outside USA and Canada: (303) 792-2181
Int’l Sales Fax: (303) 397-2740.
Books
The following books give useful information about Fibre Channel:
Alan F. Brenner, Fibre Channel, McGraw-Hill, 1996
Tom Clark, Designing Storage Area Networks, Addison Wesley Longman, 1999
Jan Dedek, Fibre Channel – The Basics, ANCOT Corp., 1997
Robert Kembel, The Fibre Channel Consultant - Arbitrated Loop, Connectivity Solutions,
1998
Robert Kembel, The Fibre Channel Consultant – A Comprehensive Introduction,
Connectivity Solutions, 1998
❒
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Glossary
“A” controller—In Active-Active mode, one controller is designated as the “A”
controller and the other controller is designated as the “B” controller. Controller identity is
determined by enclosure hardware. The controller’s identity displays continuously at the
bottom of the Disk Array Administrator screens.
Address—An address is a data structure or logical convention used to identify a unique
entity, such as a particular process or network device.
Arbitrated loop physical address (AL_PA)—An AL_PA is a 1-byte value used in
an arbitrated loop topology. This value is used to identify L_Ports. The value then
becomes the last byte of the address identifier for each public L_Port on the loop.
Bus—See Channel.
Channel—A channel is a common physical path composed of wires or other media,
across which signals are sent from one part of a computer to another. A channel is a means
of transferring data between modules and adapters, or between an adapter and SCSI
devices. A channel topology network consists of a single cable trunk that connects one
workstation to the next in a daisy-chain configuration. All nodes share the same medium,
and only one node can broadcast messages at a time.
Fabric—Fabric refers to a switched topology, which is one of the three FC topologies.
Fabric elements, which are responsible for frame routing, interconnect various N_Ports or
NL_Ports. Depending on vendor support, fabric switches may be interconnected to
support up to 16 million N_Ports on a single network.
Failback—In Active-Active mode, failback is the act of returning ownership of
controller resources from a surviving controller to a previously failed (but now active)
controller. The resources include disk arrays, cache data, and host ID information.
Failover—TIn Active-Active mode, failover is the act of temporarily transferring
ownership of controller resources from a failed controller to a surviving controller. The
resources include disk arrays, cache data, and host ID information.
FC adapter—An FC adapter is a printed circuit assembly that translates data between the
FC host processor’s internal bus and FC link.
FC Arbitrated Loop (FC-AL)—FC-AL is one of three FC topologies in which ports
use arbitration to establish a point-to-point circuit. Arbitrated loops allow multiple ports to
be connected serially in a single loop. Up to 126 NL_Ports and 1 FL_Port can be
configured in a unidirectional loop. Ports arbitrate for access to the loop based on their
AL_PA. Ports with lower AL_PAs have higher priority than ports with higher AL_PAs.
FC device—A device that uses FC communications is referred to as an FC device.
FC port—An FC port is the opening at the back of a router that provides a fiber optic
connection between the FC adapter and FC host.
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G6322/G7324 User’s Guide
FC protocol for SCSI (FCP)—FCP defines an FC mapping layer (FC-4) that uses FC-
PH services to transmit SCSI command, data, and status information between a SCSI
initiator and SCSI target. FCP enables transmission and receipt of SCSI commands, data,
and status across the FC using standard FC frame and sequence formats.
Fibre—Fibre is a generic FC term that refers to all transmission media types specified in
the FC Physical Layer standard (FC-PH), such as optical fiber, copper twisted pair, and
copper coaxial cable.
Fibre channel (FC)—FC is a bidirectional, point-to-point serial data channel, structured
for high-performance capability. In the physical sense, an FC is an interconnection of
multiple communication points, called N_Ports, by a switching network (fabric). FC
transports incoming data from devices by reading the buffer information, packaging it, and
sending the information across the fabric. Although FC is a generalized transport
mechanism that has no protocol of its own or native I/O command set, it can transport any
existing upper-level protocol such as SCSI and IP. FC offers high-speed data transfer rates
up to 1 Gbps. FC is most commonly used to connect clustered servers to storage systems.
ANSI has developed standards for FC.
Gigabit interface converter (GBIC)—A GBIC, also referred to as a Physical Link
Module, is a physical component that manages functions of the FC-0 layer. This layer
consists of the physical characteristics of the media and interface, including drivers,
transceivers, connectors, and cables. A GBIC attaches to an FC adapter and connects a
router to an FC host.
High voltage differential (HVD)—HVD is a differential SCSI scheme with
terminators that run on 5 volts.
Host bus adapter (HBA)—An HBA is the critical link between a host server or
workstation and a storage subsystem, integrating computing platforms, operating systems,
and I/O protocols to ensure proper interoperability and functionality. The bus adapter
provides direct storage connectivity from the system to data within the storage subsystem
and enables stable, high-speed transmission of information and files. HBAs manage the
controller-specific aspects of handling a storage driver interface device implemented as a
target driver, which supports mass storage peripheral devices such as disks and tapes. A
storage driver interface is used to implement SCSI and other storage device drivers. An
HBA connects to the storage subsystem to the host computer and uses either fiber or
copper media.
Initiator—An initiator is an FC or SCSI device that contains application clients that
originate service requests and task management functions for processing by a target FC or
SCSI device.
Initiator mode—Initiator mode is the configuration mode of a device in which an FC or
SCSI initiator requests operations to be performed by an FC or SCSI target device.
Kill—In Active-Active mode, one controller can kill the other controller by resetting it
and taking it offline.
Logical unit number or logical unit (LUN)—A LUN is a subdivision of a SCSI
target. For SCSI-3, each SCSI target supports up to 128 LUNs. An FC host using LUNs
can address multiple peripheral devices that may share a common controller.
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Glossary
Loop address—Loop address is an FC term that indicates the unique ID of a node in FC
loop topology. A loop address is sometimes referred to as a Loop ID.
Low voltage differential (LVD)—LVD is a method of powering SCSI cables that will
be formalized in the SCSI-3 specifications. LVD uses less power than the current
differential drive (HVD), is less expensive, and allows for higher speeds such as those of
Ultra2 SCSI. LVD requires 3.3 volts (versus 5 volts for HVD).
Management information base (MIB)—A MIB is a database of managed objects
accessed by network management protocols. An SNMP MIB is a set of parameters that an
SNMP management station can query or set in the SNMP agent of a network device (for
example, a router).
Mapping table—A mapping table is a table indexed by sequential LUN values. The
values indicate select bus:target:LUN devices. Mapping tables are used by some routers to
perform FC-to-SCSI operations by default.
Other controller—In Active-Active mode, the opposite controller from the one
currently being used (that is, not the local controller) is referred to as the other controller.
Ownership—In an active-active configuration, a single controller has ownership of the
following resources: arrays and dedicated spares. When a controller fails, the other
controller assumes temporary ownership of its resources.
Point to Point—A point-to-point connection is a communication link between two end
systems. Chaparral uses this term to refer to a link between the controller or router (N-
port) and the F-port on a switch. The point-to-point topology is one of three FC topologies,
in which two ports are directly connected by a link; there are no fabric, loop, or switching
elements present.
Router—A router is a device that enables connectivity between SCSI devices and FC
networks. It routes each data command to the appropriate SCSI channel based on the
address it is intended for.
SCSI adapter —A SCSI adapter is a 16-bit fast/wide or 8-bit narrow, single-ended or
differential physical connection between a router and SCSI devices. Each SCSI adapter
supports up to 16 (fast/wide) or 8 (narrow) SCSI devices, including itself.
SCSI addressing—Each device supported by a SCSI adapter has its own unique SCSI
address, which dictates the device’s priority when arbitrating for access to the SCSI bus. A
SCSI address of 7 has the highest priority. For a fast/wide SCSI adapter that supports up to
16 devices, the next highest priority address is 6, then 5, 4, 3, 2, 1, 0, 15, 14, 13, 12, 11, 10,
9, and 8. A narrow SCSI adapter supports up to eight devices, including itself. The SCSI
address 7 has the highest priority, followed by 6, 5, 4, 3, 2, 1, and 0.
SCSI bus—A SCSI bus provides a means of transferring data between SCSI devices. A
SCSI bus is either an 8- or 16-bit bus that supports up to 8 or 16 devices, including itself.
The bus can consist of any mix of initiators and targets, with the requirement that at least
one initiator and one target must be present.
SCSI device—A SCSI device is a single unit on a SCSI bus that originates or services
SCSI commands. A SCSI device is identified by a unique SCSI address. SCSI devices can
act as initiators or targets.
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SCSI port—A SCSI port is an opening at the back of a router that provides connection
between the SCSI adapter and SCSI bus.
Simple Network Management Protocol (SNMP) —SNMP is the Internet standard
protocol, defined in STD 15, RFC 1157, developed to manage nodes on an Internet
Protocol (IP) network.
Small computer system interface (SCSI) —SCSI is an industry standard for
connecting peripheral devices and their controllers to an initiator. Storage devices are
daisy-chained together and connected to a host adapter. The host adapter provides a shared
bus that attached peripherals use to pass data to and from the host system. Examples of
devices attached to the adapter include disk drives, CD-ROM discs, optical disks, and tape
drives. In theory, any SCSI device can be plugged into any SCSI controller.
Speed—Speed is a status type in the FC Status Menu that shows the speed (1,063 Mbps)
of the FC adapter.
Storage area network (SAN)—SAN refers to the network behind servers that links
one or more servers to one or more storage systems. Each storage system could be RAID,
tape backup, tape library, CD-ROM library, or JBOD. SANs operate with both SCSI and
networking (IP) protocols. Servers and workstations use the FC network for shared access
to the same storage device or system. Legacy SCSI systems are interfaced using an FC-to-
SCSI bridge.
Target—A target is a device (peripheral) that responds to an operation requested by an
initiator (host system). Although peripherals are generally targets, a peripheral may be
required to act temporarily as an initiator for some commands (for example, SCSI
EXTENDED COPY command).
Terminator block/termination—A terminator block (or termination) refers to the
electrical connection at each end of a SCSI bus. The terminator block is composed of a set
of resistors, or possibly other components. The function of a terminator block is to provide
a pull-up for open collector drivers on the bus, and also impedance matching to prevent
signal reflections at the ends of the cable. SCSI buses require that a terminator be placed
on the 68-pin high-density SCSI connector on the last SCSI peripheral. Data errors may
occur in a SCSI bus that is not terminated.
Topology—A network topology refers to the physical layout of nodes on a network.
Topologies range from local network topologies to WAN topologies. FC topologies
include point-to-point, FC-AL, and fabric.
Trap—In the context of SNMP, a trap is an unsolicited message sent by an agent to a
management station. The purpose is to notify the management station of some unusual
event.
Unkill—In Active-Active mode, when a surviving controller removes the reset from the
other controller, it unkills it. The other controller will reboot and attempt to come online.
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Index
channels
disabling 3-12
A
Address Resolution Protocol
using B-1
enabling 3-12
configuration information
changing 3-1
addresses
DHCP B-2
defined 3-34
alarm
displaying 3-32
configuring
disabling 3-21
enabling 3-21
connecting
ARP
conventions 1-2
C
changing
D
default settings
Ethernet 3-7
I-1
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FS2620R Rack Model User’s Guide
devices
firmware
DHCP
Flash Utility
FS2620R
disabling
channels 3-12
benefits 1-2
displaying 3-28
configuring 3-1
events 3-29
E
enabling
channels 3-12
Ethernet card
features 1-2
Ethernet port
installing 2-1
rebooting 3-23
specifications 1-5
F
FC host channels
configuring 3-12
FC LUNs
unpacking 2-1
I-2
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U
V
I-6
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Chaparral Network Storage, Inc.
7420 E. Dry Creek Parkway
Longmont, CO 80503
© 2000, 2001 Chaparral Network Storage, Inc.
All rights reserved. Chaparral and Chaparral logo are
trademarks of Chaparral Network Storage, Inc.
Printed in the U.S.
04/01
Document Number: 07-0044-002
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