HP Hewlett Packard Switch AARTDZHTE 958000284008 User Manual

HP StorageWorks  
Edge Switch release notes  
Part number: AA–RTDZH–TE/958–000284–008  
Eighth edition: (August 2005)  
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About this document  
These release notes contain late breaking and supplemental information for the Edge  
Switch 2/12, Edge Switch 2/24, and Edge Switch 2/32.  
Be sure to read these release notes before installing an edge switch. This  
information is periodically updated and available on the following HP web site:  
Release notes information  
These release notes cover the following major topics:  
Certain unauthorized devices may increase response time for fabric operations  
under specic conditions with the Edge Switch 2/24  
Intended audience  
This document is intended for customers who purchased the Edge Switch 2/12, Edge  
Switch 2/24, and Edge Switch 2/32.  
Firmware version 07.01.02-4  
Firmware 07.01.02-4 is the latest (as of this date), rmware released with the Edge Switch  
2/12, Edge Switch 2/24, and Edge Switch 2/32. The latest rmware is available on the  
1
Edge Switch release notes  
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For more information on upgrading rmware versions, refer to the appropriate  
HP StorageWorks edge switch service manual. The features of this rmware version are  
detailed in the following manuals.  
Other edge switch documentation  
In addition to these release notes, HP provides the following corresponding information:  
HP StorageWorks Edge Switch 2/12 Flexport Upgrade Instructions,  
AA-RV14D-TE/958-000339-003  
HP StorageWorks Edge Switch 2/12 Installation Guide, AA-RURCC-TE/958-  
000340-002  
McDATA Sphereon 4300 Fabric Switch Installation and Service Manual,  
620-000171-010  
HP StorageWorks Edge Switch 2/24 Flexport Upgrade Instruction,  
AA-RTDHF-TE/958-000286-005  
HP StorageWorks Edge Switch 2/24 Installation Guide, AA-RTDWC-TE/958-  
000283-002  
McDATA Sphereon 4500 Fabric Switch Installation and Service Manual,  
620-000159-320  
HP StorageWorks Edge Switch Element Manager User Guide, AA-RS2HD-TE  
HP StorageWorks Edge Switch 2/32 Flexport Upgrade Instruction,  
AA-RS33F-TE/958-000291-004  
HP StorageWorks Edge Switch 2/32 Installation Guide, AA-RSTZE-TE/958-  
000290-003  
McDATA Sphereon 3232 Fabric Switch Installation and Service Manual,  
620-000155-210  
McDATA Enterprise Operating System Command Line Interface User Manual,  
620-000134-720  
McDATA EOS SNMP Support Manual, 620-000131-620  
McDATA Products in a SAN Environment Planning Manual, 620-000124-500  
HP StorageWorks SAN Design Guide, AA-RMPNT-TE  
McDATA SANpilot User Manual, 620-000160-230  
HP StorageWorks HA-Fabric Manager User Guide, AA-RS2CF-TE  
HP StorageWorks HA-Fabric Manager Transition Guide, AA-RV1MB-TE  
HP StorageWorks HA-Fabric Manager Appliance Installation Guide,  
AA-RU5FC-TE/958-000324-002  
HP StorageWorks HA-Fabric Manager Release Notes, AA-RUR6E-TE/958-  
000288-009  
HP StorageWorks Director and Edge Switch Glossary, AA-RU5JB-TE  
HP StorageWorks C-FCSWAPI SDK Bridge Agent Installation Instructions,  
AA-RVJ1B-TE/958-000405-001  
2
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HP StorageWorks Edge Switch release notes, AA-RTDZG-TE/958–000284–007  
CD-ROM directory structure  
The HP StorageWorks edge switch documentation and rmware CD contains the  
following items:  
Manuals.pdf—HP StorageWorks Edge Switch 2/12, Edge Switch 2/24, and  
Edge Switch 2/32 Documentation; links to the following documents and search  
function  
Documents  
README.TXT—HP document structure; late-breaking doc changes  
AA-RV14D-TE/958-000339-003—HP StorageWorks Edge Switch 2/12  
Flexport Upgrade Instructions  
AA-RURCC-TE/958-000340-002—HP StorageWorks Edge Switch 2/12  
Installation Guide  
620-000171-010—McDATA Sphereon 4300 Fabric Switch Installation and  
Service Manual  
AA-RTDWD-TE/958-000283-003—HP StorageWorks Edge Switch 2/24  
Installation Guide  
620-000159-320—McDATA Sphereon 4500 Fabric Switch Installation and  
Service Manual  
AA-RS2HD-TE—HP StorageWorks Edge Switch Element Manager User Guide  
AA-RSTZE-TE/958-000290-003—HP StorageWorks Edge Switch 2/32  
Installation Guide  
620-000155-210—McDATA Sphereon 3232 Fabric Switch Installation and  
Service Manual  
620-000134-720—McDATA Enterprise Operating System Command Line  
Interface User Manual  
620-000131-620—McDATA EOS SNMP Support Manual  
620-000124-500—McDATA Products in a SAN Environment Planning  
Manual  
AA-RMPNT-TE—HP StorageWorks SAN Design Guide  
620-000160-230—McDATA SANpilot User Manual  
AA-RU5FC-TE/958-000324-002—HP StorageWorks HA-Fabric Manager  
Appliance Installation Guide  
AA-RS2CF-TE—HP StorageWorks HA-Fabric Manager User Guide  
AA-RV1MB-TE—HP StorageWorks HA-Fabric Manager Transition Guide  
AA-RU5JB-TE—HP StorageWorks Director and Edge Switch Glossary  
AA-RVJ1B-TE/958-000405-001—HP StorageWorks C-FCSWAPI SDK Bridge  
Agent Installation Instructions  
3
Edge Switch release notes  
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Firmware  
HPQ_MSF_v07.01.02-4.bin—HP StorageWorks M-Series rmware  
firmwareupdate.txt—Instructions for updating rmware  
Acrobat  
RP505ENU.EXE—Windows installation le for Acrobat Reader 5.0 with  
Search  
Supported congurations  
Operation of multiple switches in a fabric topology is subject to the following topology  
limits. Consider the impact of these limits when planning the fabric.  
NOTE:  
For more information about planning the fabric, refer to HP StorageWorks SAN High  
Availability Planning Guide.  
Fabric Elements—Each fabric element is dened by a unique domain ID that  
ranges between 1 and 31; therefore, the theoretical limit of interconnected  
directors in a single fabric is 31. The supported limit of interconnected switches  
in a single fabric is 24. Because this number is subject to change, contact your  
HP authorized service representative for the current number of interconnected  
switches supported in a single fabric.  
Inhomogeneous fabric—To determine if interoperability is supported for a  
product, or if restrictions apply, refer to the product publications, or contact your  
HP authorized service representative.  
Number of Interswitch Links (ISLs)—The maximum supported number of ISLs  
for edge switches is all available switch ports. For redundancy, at least two  
ISLs should connect any two switch-class fabric elements. Because this number  
is subject to change, contact your HP authorized service representative for the  
current number of ISLs supported per switch.  
Hop Count—The Fibre Channel theoretical limit of ISL connections traversed (hop  
count) in a single path through a fabric is seven. The maximum supported hop  
count in a single path through a fabric is three. Because this number is subject to  
change, contact your HP authorized service representative for the current hop  
count supported by a single fabric path.  
The hop count is equal to the number of ISL connections traversed in a single  
path, not the total number of ISL connections between devices.  
4
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Cable requirements  
NOTE:  
Optical cables for the Edge Switch 2/12, Edge Switch 2/12, and Edge Switch 2/32  
must be ordered separately.  
For cables measuring up to 500 meters (1 Gbps) or 300 meters (2 Gbps), use multi-mode  
Fibre Channel cables. For longer cables, use single-mode Fibre Channel cables.  
Multi-mode optical cables are connected to short-wave optical transceiver modules in  
a switch. Single-mode optical cables are connected to long-wave optical transceiver  
modules in a switch. Multi-mode cables should use 50/125 optical bers, and  
single-mode cables typically use 9/125 optical bers for distances up to 10 km.  
Verify that connectors interfacing with the Edge Switch 2/12, Edge Switch 2/24, and  
Edge Switch 2/32 use LC Duplex connectors with a PC nish. In addition, the connector  
at the opposite end of the cable must be of either LC or SC type, depending on the  
requirements of the connected device.  
Important information  
This section describes important information related to the Edge Switch 2/12, Edge  
Switch 2/24, and Edge Switch 2/32.  
Minor Code Enhancements and Fixes in fw 07.01.02-4  
This release of rmware version 07.01.02-4 incorporates some minor code enhancements  
and xes, and is not a mandatory upgrade, though HP recommends that all directors  
and edge switches be upgraded to this version of rmware. Firmware release 07.01.02-4  
is based on rmware 07.00.00-84, and contains all xes included in that version and  
prior releases. The following are now incorporated in rmware version 07.01.02-4.  
Directors take new action upon detecting a failed UPM port module  
A particular type of failure in director UPM port modules could be disruptive to other  
port modules in a director. In the release of rmware 07.01.02-4, the action taken by  
the director upon detecting this type of failure was changed to power off the failed port  
module to prevent it from affecting other working port modules.  
Embedded Web Server zoneset activation timeout issue resolved  
Under certain conditions, the Embedded Web Server (EWS) would sometimes not allow  
the Zone Manager subsystem enough time to process a conguration change request.  
This would cause EWS to time out when waiting for the Zone Manager to respond.  
When this occurred, the Zone Manager could hang indenitely, preventing any further  
zone activities from any management location. This timeout issue has been xed.  
5
Edge Switch release notes  
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Zonesets containing domain/port number zones while in Open Fabric interop mode no longer  
cause zoning to hang  
When directors and edge switches in a fabric were congured for Open Fabric 1.0  
interop mode, and the fabric’s zoneset contained a zone with members dened by  
domain/port number instead of World Wide Name, activating changes to the zoneset  
could cause the Zone Manager to hang. When this occurred, the Zone Manager could  
hang indenitely, preventing any further zone activities from any management location.  
It should be noted that domain/port number zones are not supported in Open Fabric  
1.0 interop mode, and are ignored. The Zone Manager will no longer hang under these  
conditions, and these zones are still ignored in Open Fabric 1.0 interop mode.  
Occasional Ethernet hang issue is resolved  
Under certain conditions, the Ethernet communications could intermittently hang on  
director 2/140, edge switch 2/24, and edge switch 2/12. This issue has been  
corrected.  
Features not supported in this release  
The following director and edge switch feature is not supported in this release:  
SANtegrity Authentication  
The following HAFM features are not supported in this release:  
SANtegrity Security Center  
Group Conguration Manager  
These features are described in the documentation released with rmware 07.00.00 and  
HAFM 08.06.00. Some of these features may be available in a future release.  
Documentation released with rmware 07.00.00 and HAFM 08.06.00  
To support these products, we are providing documentation from both McDATA  
Corporation (the product developer) and from HP (the product OEM). The HP documents  
include all information HP has incorporated into the products to date. The McDATA  
documents include only the basic product information.  
6
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Table 1 shows HP terminology and McDATA Corporation equivalents used in the  
McDATA documents.  
Table 1 HP and McDATA terminology  
HP term  
McDATA term  
Sphereon 4300 Fabric Switch  
Sphereon 3216 Fabric Switch  
Sphereon 4500 Fabric Switch  
Sphereon 3232 Fabric Switch  
Intrepid 6064 Director  
HP StorageWorks Edge Switch 2/12  
HP StorageWorks Edge Switch 2/16  
HP StorageWorks Edge Switch 2/24  
HP StorageWorks Edge Switch 2/32  
HP StorageWorks Director 2/64  
HP StorageWorks Director 2/140  
Embedded Web Server (EWS)  
HA-Fabric Manager (HAFM)  
Firmware  
Intrepid 6140 Director  
SANpilot  
Enterprise Connectivity Manager (EFCM)  
Enterprise Operating System (E/OS)  
EFC Server  
HAFM Appliance  
7
Edge Switch release notes  
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HAFM and rmware compatibility  
Table 2 lists the minimum version of HAFM that can run with the various versions of  
rmware for the directors and edge switches.  
Table 2 HAFM and rmware compatibility  
Firmware version  
01.01.02  
HAFM version (minimum)  
04.00.01 (HP EFCM)  
01.02.02-06  
01.03.00-35  
01.04.00-01  
02.00.00-33  
02.00.02-01  
04.01.02-04  
05.02.00-13  
05.02.00-13  
05.05.00-12  
06.01.00-18  
06.01.00-18  
06.01.00-18  
06.02.00-22  
06.02.00-22  
06.02.00-22  
07.00.00-84  
07.00.00-84  
07.00.00-84  
07.01.02–4  
07.01.02–4  
07.01.02–4  
04.01.02-14 (SDCM)  
04.02.00-40 (HP EFCM)  
04.02.00-40 (SDCM)  
06.00.00-45 (HP EFCM)  
06.00.02-06  
06.03.01-05  
07.01.00-09 (Notebook Server)  
07.02.00-09 (HAFM Appliance)  
None (Edge Switch 2/12)  
07.01.00-09 (Notebook Server)  
07.02.00-09 (HAFM Appliance)  
08.02.00 recommended (HAFM Appliance)  
07.01.00-09 (Notebook Server)  
07.02.00-09 (HAFM Appliance)  
08.02.00 recommended (HAFM Appliance)  
07.01.00-09 (Notebook Server)  
07.02.00-09 (HAFM Appliance)  
08.06.00 recommended (HAFM Appliance)  
07.01.00-09 (Notebook Server)  
07.02.00-09 (HAFM Appliance)  
08.06.00 recommended (HAFM Appliance)  
8
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Prerequisites for installing and using rmware 07.01.02  
If you are using HAFM, rmware 07.01.02 requires HAFM 07.01.00 or later (check with  
HP Customer Support for the latest shipping version of HAFM). HAFM should be at the  
minimum level before installing the new rmware.  
NOTE:  
HAFM is not required for operating hardware products using the rmware.  
All directors and edge switches in the same fabric should have the same rmware level  
installed. Although products may co-exist in a fabric running different levels of rmware,  
all products must be at the same major functional release level.  
Upgrading from an earlier version of rmware  
Upgrading to rmware 07.01.02-4 is non-disruptive to attached devices. The director  
or edge switch is not required to be ofine before performing an upgrade operation.  
Limitations to upgrades are clearly identied if there are any limitations to performing  
the operation.  
Before upgrading rmware, it is highly recommended that you back up the director  
or edge switch conguration. Refer to your HP StorageWorks Edge Switch Element  
Manager User Guide for more information. Embedded Web Server (EWS) also provides  
an option to print or save product conguration to a le. Refer to the HP StorageWorks  
Embedded Web Server User Guide for more information.  
All products must be running rmware 06.00.00 or later before upgrading to  
07.01.02-4. If a switch is operating with a rmware level earlier than 06.00.00, you  
must upgrade to 06.xx.xx before installing 07.01.02-4.  
Upgrades and downgrades are supported only from one major release to the next, such  
as from 06.xx.xx to 07.01.02-4. If EWS is used for upgrades and downgrades, and this  
rule is not followed, errors occur and there may be a disruption to attached devices.  
If upgrading to rmware 06.02.00-22 requires you to upgrade from 04.xx.xx to  
05.xx.xx in the process, there are special considerations, as detailed in the section,  
A small number of early-shipped Surestore Director FC-64 units may receive one of the  
following messages when they upgrade to rmware 05.02.00-13:  
HAFM—Firmware cannot be loaded due to insufficient CTP  
memory.  
EWS—File System Error: Insufficient memory for new  
firmware version.  
This occurs only in certain units with CTP cards. Units with CTP2 cards do not have  
this issue.  
9
Edge Switch release notes  
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If you get one of these messages during the upgrade, the rmware upgrade failed, but  
the unit continues working with the existing rmware without an interruption in service.  
The upgrade process checks for sufcient memory before activating the new rmware  
image. The rmware upgrade does not complete without sufcient memory. Please  
contact HP Customer Support if you receive this message.  
Upgrading rmware on an edge switch from 04.xx.xx to 05.xx.xx  
An issue has been identied in release 04.xx.xx if the contents of the nonvolatile storage  
(NVRAM) on the CTP become corrupted. Once the conguration has been loaded,  
this corruption is not detected until an IPL/IML, power cycle, or rmware code load.  
If the NVRAM in the CTP has corrupted contents, the rmware load can cause the  
conguration to reset to factory defaults, which could cause a system outage.  
Edge switch products already running 05.01.00 or later continually validate the NVRAM  
conguration, so risk of an outage is extremely low. For edge switch products running an  
earlier version of rmware, the risk of an outage increases due to the NVRAM issue. If  
an outage compromises system integrity, HP recommends that the edge switch rmware  
upgrade be a scheduled maintenance action that anticipates the failure of switch  
connectivity. This issue was corrected with rmware 05.02.00-13 and later.  
To safely upgrade rmware on a edge switch, perform the following:  
1. Upgrade HAFM software on the HAFM server/appliance to 07.01.00 (minimum).  
2. Download rmware 05.02.00-13 using the Firmware Library option under the  
Product Manager Maintenance menu.  
3. Back up the edge switch conguration using the Backup & Restore Conguration  
option under the Product Manager Maintenance menu.  
4. Upgrade the rmware to 05.02.00-13 on each edge switch using the Send option  
on the Firmware Library dialog box.  
Considerations for downgrading the version of rmware  
Directors or edge switches are not required to be ofine before performing a rmware  
downgrade operation. Limitations to downgrades are clearly identied if there are any  
limitations to performing the operation.  
Before downgrading rmware, it is highly recommended that you back up the director  
or edge switch conguration. Refer to your HP StorageWorks Edge Switch Element  
Manager User Guide for more information. EWS also provides an option to print or  
save product conguration to a le. Refer to your HP StorageWorks Embedded Web  
Server User Guide for more information.  
10  
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Before downgrading below 07.01.02-4, there can only be one user assigned access  
rights as Administrator and one user assigned as Operator for Embedded Web Server  
and CLI. If additional users were created, you have to delete them before downgrading.  
Firmware 07.01.02-4 does not allow the last user with Administrator rights in Embedded  
Web Server or CLI to be deleted. If no Operator user exists, rmware 07.01.02-4  
automatically creates one for each interface during the downgrade. If more than one  
Administrator and/or one Operator exists for Embedded Web Server and/or CLI, when  
attempting to downgrade you are prompted to delete one of them rst.  
When downgrading to a release prior to 07.01.02-4, any modications to the port  
RX BB_Credit settings using the new enhanced port conguration capability must be  
changed back to a conguration supported by older rmware. This is necessary to allow  
the conguration to comply with previous releases’ conguration database. Firmware  
07.01.02-4 services verify compatibility and prevent downloads until the conguration  
conict is resolved.  
For procedures to download rmware to the switch or director using the HAFM Element  
Manager interface or EWS interface, refer to the following:  
The switch or director Installation and Service Manual. This publication  
provides complete procedures for obtaining rmware from the HP web site and  
downloading rmware to the switch or director using HAFM.  
The switch or director Element Manager online help and User Manual. These  
includes instructions for downloading rmware to the switch or director using the  
HAFM interface.  
EWS User Manual. This provides procedures for downloading rmware to the  
switch or director.  
EWS online help. This provides procedures for downloading rmware to the  
switch or director.  
Downgrading directly to a release before 06.00.00 from 07.01.02-4 is not allowed. To  
downgrade to a release before 06.00.00, you must rst downgrade to 06.YY.ZZ.  
Upgrades and downgrades are supported only from one major release to the next, such  
as from 06.xx.xx to 07.01.02-4. If EWS is used for upgrades and downgrades, and this  
rule is not followed, errors occur and there may be a disruption to attached devices.  
Downgrading to release 6.0 with the Preferred Path feature congured could cause loss  
of this function. HP recommends that Preferred Path be disabled before downgrading.  
To do this, deselect the check box for Enable Preferred Path in the Congure Preferred  
Paths dialog box.  
NOTE:  
The Director 2/140 and the Edge Switch 2/24 cannot be downgraded earlier than  
04.01.00, and the Edge Switch 2/12 cannot be downgraded earlier than 05.05.00.  
11  
Edge Switch release notes  
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Downgrades directly to 05.03.01 from 06.xx.xx is not concurrent when the  
second-generation Edge Switch 2/24 is congured in Open Fabric operating  
mode. In other words, downgrades in Open Fabric mode cannot be done with the  
second-generation Edge Switch 2/24 online without disrupting port operations. Since  
second-generation Edge Switch 2/24 switches cannot be downgraded earlier than  
05.03.01, they must be congured in Homogeneous Fabric Interoperability mode to  
remain concurrent. If this process is not followed, I/O through the switch may be  
signicantly disrupted or stopped. Recovery for this situation is accomplished by  
reactivating the current zone set.  
If you are installing a new or replacement second-generation Edge Switch 2/12 or Edge  
Switch 2/24 into an existing 05.xx.xx fabric, HP recommends that you downgrade  
the unit before installing it into the fabric.  
Downgrading to 05.05.00 is supported only on rst-generation Edge Switch 2/12  
switches. Second-generation Edge Switch 2/12 switches can be downgraded only to  
05.05.01. Second-generation Edge Switch 2/24 switches can be downgraded only  
to 05.03.01.  
If a Director 2/140 in a multiswitch fabric is downgraded earlier than 06.02.00, ISLs  
could become segmented if there are any other switches in the fabric operating with a  
rmware version earlier than 06.01.00. To prevent this situation, downgrade all Director  
2/140s in the fabric to 06.01.00 before downgrading any products in the fabric to  
05.xx.xx. This problem only exists with Director 2/140s in the fabric. HAFM displays a  
warning message if a downgrade from 06.02.00 is attempted, but you can continue  
with the downgrade if desired.  
NOTE:  
The warning message is displayed when downgrading any model from 06.02.00, but  
only applies to downgrade operations for the Director 2/140.  
Firmware downgrades should not be performed using EWS and Internet Explorer  
v5.00.3315.1000x. If this operation is performed, the download operation may not  
complete and may eventually time-out leaving the switch with the previous version of  
rmware.  
HAFM upgrade required for rmware version 07.xx.xx  
To upgrade to rmware 07.01.02-4, you must rst upgrade the HAFM software to  
07.01.00-9 minimum, if you are using the notebook HAFM server to manage the  
director or edge switch. The HAFM software is contained on the HP StorageWorks  
ha-fabric manager documentation and software CD (Part Number 516-000024-820).  
An upgrade kit to HAFM 07.01.00-9 is also available, Part Number 320908-B22, for  
owners of license for previous versions. This HAFM upgrade is also available on the  
12  
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If you are using the 1U rack-mount HAFM appliance to manage the director or edge  
switch, the minimum HAFM version required is 07.02.00-9, which is the minimum version  
installed. This HAFM software is contained on the HP StorageWorks ha-fabric manager  
documentation and software CD (Part Number 516-000024-720).  
The previous minimum versions of HAFM allow you to manage directors or edge  
switches running 07.01.02-4 rmware, but to be able to use all the new features and  
enhancements, you need to upgrade HAFM to 08.06.00, which runs only on the 1U  
rack-mount HAFM appliance.  
As an alternative, you can perform the rmware upgrade directly to the director or edge  
switch using their EWS.  
Please contact your local HP technical resource if you need to obtain a new HAFM  
version.  
Please contact your local HP technical resource to conrm compatibility with devices  
in your SAN before upgrading to this rmware version.  
For more information on upgrading software versions, refer to the HP StorageWorks  
HA-Fabric Manager User Guide. The features of this software version are detailed in the  
accompanying manuals listed in section Other edge switch documentation.  
Zone FlexPar feature  
Because zoning is managed on a fabric-wide basis, all switches and directors in the  
fabric must maintain the same zoning conguration. This conguration is maintained  
automatically through the Fibre Channel protocol.  
To keep this information current, RSCN messages are sent through the fabric to inform  
attached devices when zoning changes occur, when devices become available, or  
when devices become unavailable. In the case where devices become available or  
unavailable, RSCNs are sent only to the devices in the same zone. Zoning changes,  
however, trigger RSCNs to be sent to all of the devices in the fabric. As fabrics grow  
larger and larger, the quantity of RSCNs from zoning changes can create congestion  
and disrupt devices, causing them to pause normal activity to determine the status of  
the other devices. This can occur even if the new device is not zoned to talk to the  
other devices in the fabric.  
With the Zone FlexPar feature enabled, RSCN messages for a zoning change are  
handled like RSCNs for availability/unavailability changes. Specically, RSCNs are  
restricted to only those devices sharing at least one common zone with the device that  
changed. This way, only devices that are impacted by the change in connectivity  
receive RSCNs.  
13  
Edge Switch release notes  
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The Zone FlexPar feature is available in both Open Fabric 1.0 and Homogeneous  
Fabric 1.0 Interop modes, as well as in environments with loop-attached devices. In  
Homogeneous Fabric 1.0 mode, the default zone is treated like any other zone, and  
RSCNs are sent only to the affected devices if the default zone is enabled or disabled. A  
PFE key is not required for the Zone FlexPar feature, and it can be enabled or disabled  
through CLI for a specic switch. When upgrading to rmware 07.01.02-4 or installing  
a new switch with rmware 07.01.02-4 the feature is enabled by default, allowing it  
to work immediately. If the Zone FlexPar feature is not enabled on all switches in the  
fabric, the restricted RSCN distribution only applies for devices attached to switches  
with the feature enabled.  
Enhanced SANtegrity Security Suite  
SANtegrity Security Suite enhanced features include authentication support for device  
login, interswitch connections and management interfaces. The Secure Access features  
are included as a standard part of the SANtegrity Security Suite in rmware 07.01.02–4.  
Standard features  
The following SANtegrity features do not require a license or SANtegrity Binding.  
CHAP Authentication for HAFM/SWAPI—This provides authentication of  
connections from the HAFM appliance service processor and SWAPI Direct  
Connect. This ensures that requested HAFM management sessions or SWAPI  
Direct Connect sessions are from a trusted source.  
Encryption of Passwords and Secrets Shared with HAFM—All secrets and  
password information are passed in encrypted format for greater security.  
This prevents “snooping” of Ethernet connection to capture user login and  
authentication secret information.  
RADIUS Server Support—This provides support for IETF RADIUS (Remote  
Authentication Dial In User Service) protocol for password authentication.  
Firmware 07.01.02-4 allows users to congure settings for using a RADIUS  
server. RADIUS provides centralized authentication services for multiple devices  
on a network. This means that several switches can be congured to use a  
single RADIUS server.  
Prompted Change of EWS and CLI Passwords from Default—This prompts users  
to modify the password settings for both the CLI and EWS interfaces the rst time  
they log in using either of these interfaces.  
RBAC Phase I: Enhanced User Rights Conguration—RBAC is role based access  
control. This is the rst phase of more comprehensive role-based access control  
planned for the CLI and EWS interfaces. Multiple users can now be congured  
for EWS or CLI, or both, through either interface. This allows users to congure  
additional user name/password combinations.  
SSH for CLI—Secure Shell (SSH) provides an encrypted connection, as an  
alternative to Telnet, to secure CLI access to switches and directors.  
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Enhanced Maintenance Port Security—This allows users to enable enhanced  
authorization on the maintenance port, which is the switch or director RS-232  
connection. Enhanced Authorization mode enforces stronger security policies,  
requiring users to change the well-known password to a case- sensitive private  
password the rst time they use the maintenance port. Subsequent access by  
service personnel will require log in through the private customer-level access.  
Security Log—The Security Log is a new log available in EWS, CLI, and HAFM  
that records various events concerning integrity of a switch. This includes  
authorization or authentication problem detection, and approved and invalid  
access attempts. Each log entry provides an event number or reason, a date/time  
stamp, a trigger level (a type of security event severity), an event count, and a  
category and data pertaining to the specic event. The log wraps at 200 entries.  
This log provides customers with details to track down attempted security threats  
and identify the source of problems that might jeopardize the switch integrity.  
IP Access Control List—This allows users to establish a list of IP addresses from  
which the switch is allowed to accept connections. This prevents users who  
have access to the Ethernet LAN from attempting to access the Fibre Channel  
switches. Connection attempts from unauthorized IP addresses are ignored by  
the switch, making it appear that no device is connected. This is primarily  
intended for environments that are not on a private, inaccessible subnet, such as  
when installed in most cabinet congurations with a dual-NIC HAFM appliance  
Processor.  
Advanced Fabric Diagnostics  
This provides tools to monitor the fabric and identify potential problems before  
they impact network and application performance. Tools include ISL Fencing, new  
switch-centric Fabric and Embedded Port Logs, an Audit Log for the embedded user  
interfaces, and access to the Digital Diagnostic capabilities included with newer SFP  
transceivers.  
ISL fencing  
Also called Port Fencing, this feature allows customers to set up policies for blocking  
an ISL when problems occur that cause an ISL to “bounce” or repeatedly attempt to  
establish a connection. Any time an ISL is brought up or down, a fabric rebuild occurs,  
which can cause disruption in some environments. ISL Fencing will lessen the likelihood  
of having a problematic ISL connection disrupt a SAN.  
To congure this feature, users set policies with thresholds based on the number of  
port events occurring during a set time period. If a port generates enough events to  
exceed the policy threshold, the port is automatically blocked and the user is notied.  
Transmit and receive trafc is disabled until the user can investigate, solve the problem,  
and manually unblock the port.  
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Embedded Audit Log  
The Audit log is a new log available through CLI and EWS. This is not the same Audit  
Log available through HAFM. The log records all conguration changes to the switch to  
provide data for analyzing problems caused by conguration changes.  
Embedded Port Log  
The Embedded Port Log is a new log that records all Fibre Channel trafc from or to  
the embedded port. This log is actually implemented as two logs, one that allows entry  
wrapping and one that stops adding entries when lled. The logs allow ltering based  
on Class F frames, as well as by port number, to isolate specic events or problems.  
This feature is intended for advanced users to diagnose and troubleshoot trafc problems  
within a SAN. The Embedded Port Log is available via EWS, CLI, and HAFM.  
Embedded Fabric Log  
The switch-based fabric log records events related to the following services:  
Fabric Controller  
Path Selection  
Login Server  
Name Server  
The Fabric log is actually implemented as two logs, one that allows entry wrapping and  
one that stops adding entries when lled. This log is intended to provide information for  
analyzing fabric and switch behaviors and problems. The Fabric log is available via  
EWS, CLI, and HAFM.  
OSMS change  
Open Systems Management Server (OSMS) is now available as a standard feature.  
OSMS can be enabled/disabled via EWS, Command Line Interface (CLI), and HAFM.  
Default zone is disabled by default  
The default zone on the Edge Switch 2/12, Edge Switch 2/24, and Edge Switch 2/32  
is disabled by default. Zoning must be congured in order for any devices connected to  
the edge switches to communicate.  
Some IP addresses must be avoided  
If you use HAFM to manage other M-Series Fabric directors and edge switches, when  
you select IP addresses for edge switches, directors, and for the HAFM appliance, do  
not use IP addresses in the following range:  
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192.168.0.0 through 192.168.0.255—This subnet is used internally to the HAFM  
appliance. Using an IP address in this range causes the call-home feature to function  
incorrectly.  
Hard zoning  
Hard zoning is a security enhancement introduced in rmware 05.01.00-24 that  
prevents ports from accessing devices outside their zones. Hard zoning is enabled  
by default when using rmware 05.01.00-24 or greater and cannot be disabled. All  
HP-approved host bus adapters (HBAs) limit access to devices within their zones, so you  
will not see a change in fabric behavior unless you are using nonstandard HBAs. Hard  
zoning improves security against intruders that load nonstandard HBA drivers.  
Hard zoning is compatible with legacy zone denitions, including World Wide Name  
(WWN) and port zoning. You can use your existing zones and zone sets without any  
changes. There are no changes to the zoning interfaces, so you do not need to modify  
your zone management practice, modify your documentation, or retrain Storage Area  
Network (SAN) administrators.  
Hard zoning controls access at the ingress port. When a port attempts to send a frame  
to a destination outside its zones, the frame is blocked. A Class 2 frame is fabric  
rejected, and a Class 3 frame is dropped.  
Zoning change RSCN control  
Normally, when a zone set is activated, a fabric format domain Register State Change  
Notication (RSCN) is sent to all devices in the fabric. With rmware 05.00.00 or later,  
you can disable these RSCNs from being sent. This is done using the Suppress RSCNs  
on zone set activations check box on the Congure Switch Parameters dialog box.  
This feature signicantly changes the normal behavior of the fabric. Devices will have no  
warning when zones change and will not automatically update their zoning information.  
The ability to suppress RSCNs is disabled (check box is not selected) by default. This  
feature can be congured through HAFM, EWS, and CLI.  
SNMP changes  
Firmware 07.01.02-4 supports the following management information base (MIB)  
versions on all products:  
Fabric Element MIB: 1.1  
MIB-II MIB: RFC-1213, non-implemented sections are not included  
FCEOS MIB: 2.0  
SNMP Framework MIB: RFC-2271 (1997/09/30)  
FA MIB: 3.0  
FA MIB: 3.1  
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Edge Switch release notes  
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SNMP requests can be received in either 3.0 or 3.1 of the Fibre Alliance (FA) MIB, and  
the switch responds in the same version. The switch can also be congured to use a  
specic version for traps generated by the switch.  
Zoning limitations  
With rmware 06.00.00 and later, you have the ability to congure large zone sets,  
including up to 1024 zones and 1024 end ports in a single zone set. Table 3 shows  
the supported limits for the edge switches and directors.  
Table 3 Zoning parameters supported limits  
Zoning parameter  
Number of zone members in a zone  
Maximum value  
2048  
1024  
2048  
4096  
Number of zones in a zone set  
Number of unique zone members in a zone set  
Total number of zone members in a zone set (where a zone  
member can be in multiple zones)  
32  
Characters per zoning name  
2048  
1024  
64  
Number of unique zone members in HAFM Zoning Library  
Number of zones in HAFM Zoning Library  
Number of zone sets in HAFM Zoning Library  
Number of end ports  
1024  
1024  
Number of devices supported (including loop devices)  
Using the same rmware  
All directors and edge switches in the same fabric should have the same rmware level  
installed—whether 1 Gbps or 2 Gbps capable, this rmware operates correctly.  
The recently released Edge Switch 2/12 had an interim rmware specic for the Edge  
Switch 2/12, 05.05.00-12. This rmware cannot be used for any other edge switch  
or director. This interim version is compatible with the M-Series rmware 05.02.00-13  
used for the rest of the M-Series fabric products. The rmware 07.01.02-4 is a common  
rmware for all the M-Series fabric products, including the Edge Switch 2/12.  
Firmware 06.02.00-22 provides support for second-generation Edge Switch 2/12 and  
Edge Switch 2/24 switches. This is the minimum M-Series rmware supported on the  
second-generation Edge Switch 2/12 and Edge Switch 2/24.  
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For customers who want to add a second-generation switch to their existing SAN, but  
are not ready to upgrade their SAN from 5.x to 06.02.00, there is a downgrade  
rmware version for each of these edge switches which provides compatibility with a  
SAN running 05.02.00.  
Firmware 05.03.01-01 is available for the Edge Switch 2/24, and rmware  
05.05.01-01 is available for the Edge Switch 2/12. These versions are installed only on  
the Edge Switch 2/24 and Edge Switch 2/12, and only when these switches are placed  
in a M-Series SAN running 05.02.00 rmware. A copy of these versions of rmware,  
are contained on the HP StorageWorks edge switch documentation and rmware CD  
(Part Number 524-000001-005).  
Reinstalling feature licenses  
Feature licenses (or keys) must be reinstalled after performing a factory reset on a  
director to regain use of the licensed features (e.g., SANtegrity Binding).  
Disconnecting the null modem cable  
Always log out and disconnect the null modem cable from the serial maintenance port  
when not in use or when the switch is reset.  
CTP controls port lights  
Port lights on the edge switch and director products are controlled by the CTP  
functionality. Certain activities such as rmware updates, IPLing the CTP, or switching  
over to the backup CTP (director) can cause these port lights to extinguish momentarily  
until control is reasserted by the CTP. The actual Fibre Channel trafc is not affected  
during these times.  
Ethernet switch support  
With rmware 06.00.00 and later, customers can now connect the management port on  
edge switches and directors to Ethernet switches or hubs. Prior to rmware 06.00.00,  
only connections to Ethernet hubs were qualied and supported.  
Full Volatility  
Full Volatility is an optional feature of rmware 06.00.00 and later that is enabled  
with a feature key. The Full Volatility feature is designed to support high-security  
environments, which require that customer data not be retained by the edge switch or  
director after power off.  
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The feature congures a switch or director so that no frame data is stored after a power  
off. Without Full Volatility, if the switch or director experiences a fault condition, a dump  
of the embedded memory space is captured into nonvolatile memory. This dump retains  
the last 30 frames transmitted from and last four frames transmitted to the embedded port.  
With Full Volatility installed, this dump does not occur when a fault condition occurs.  
Although this limits the amount of diagnostic information available for potential problem  
resolution, the vast majority of problems are typically resolved without the dump les.  
Contact your sales representative to purchase a feature key for Full Volatility.  
CLI threshold alerts  
With rmware 06.00.00 and later, the CLI allows you to set and monitor Throughput  
Threshold Alerts (TTAs).  
CLI show.eventLog command  
With rmware 06.00.00 and later, the CLI show.eventLog command has been  
enhanced. The command now displays a Link Incident log and Event log.  
MIHPTO value  
With rmware 06.00.00 and later, the internal Missing Interrupt Handler Primary Time  
Out (MIHPTO) value has been changed from 15 seconds to 3 minutes.  
EWS enhancements  
With rmware 06.00.00 and later, EWS enhancements include support for managing  
the SANtegrity Binding feature and Enterprise Fabric mode, and providing the Link  
Incident log and the Open Trunking log.  
Preferred Path support  
With rmware 07.00.00 and later, this allows users who are not using HAFM to  
congure preferred data paths through the EWS interface. A preferred path is an ISL  
data path between multiple fabric elements (directors and switches) that users can  
congure using the source and exit ports of the origination fabric element, and the  
domain ID of the destination fabric element.  
Conguration Backup  
With rmware 07.00.00 and later, this allows users to save switch conguration settings  
to a standard XML format le, compatible with both HAFM and the Conguration  
Backup and Restore (CBR) utility. Customers can easily save conguration settings when  
switch conguration is accidentally modied or at hardware failure. A restore function is  
not yet available in EWS, but is planned for a future release. In the interim, you can use  
the complimentary CBR utility to restore congurations settings.  
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BB_Credit Allocation for ports  
With rmware 07.00.00 and later, this supports the ability to allocate a specic number  
of buffer credits per port. This feature provides benet primarily in the Edge Switch 2/12  
and 2/24 switches, where a single pool of buffers is shared among all ports. Users  
will now be able to allocate buffer credits only where needed. For the Director 2/64,  
Director 2/140, and Edge Switch 2/32 switches, this enhancement simply allows more  
granular conguration options for users who want complete conguration control.  
NVRAM caching  
All writes to non-volatile memory random access memory (NVRAM), which stores  
conguration data, are now cached to prevent possible corruption of information. Prior  
to rmware 07.00.00, a small window existed where a switch power-down during an  
NVRAM write could enable the conguration default settings when the switch is powered  
back on. All switches and directors are now protected from potential interruptions to  
NVRAM updates.  
Robust large fabrics  
Numerous low-level enhancements and optimizations have been made to improve the  
stability of directors and switches in fabrics containing high populations of devices.  
Changing password in CLI  
When users are prompted to change the password when logging into the Command Line  
Interface (CLI), they can enter the default password (password). This will be accepted,  
however at the next login they will again be required to change the password if it is  
still the default password.  
When users enter the default password when prompted to change the password, new  
Security Log entry 10203, Default Password Not Changed, is posted.  
Zoning enhancement to reduce fabric congestion  
In Homogeneous Fabric mode, an enhancement was added to reduce unnecessary  
fabric congestion when performing fabric-wide zoning operations that impact the Default  
Zone. This enhancement limits the number of members allowed in the Default Zone to  
64. When the rmware detects a zoning operation that would cause the member count  
in the Default Zone to exceed 64 (such as deactivating an active zone set that has more  
than 64 members), the operation is aborted and the user interface (HAFM 8.6 or EWS)  
displays the following message: Zoning request denied: Operation will  
cause the Default Zone to exceed its limit of 64 members.  
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NOTE:  
This limit is disabled when the switch parameter Suppress Zoning RSCNs on Zone set  
activations check box is enabled.  
Full-fabric capability for Edge Switch 2/12  
Unlike other edge switch and director products, a product feature enablement (PFE)  
key, controls Edge Switch 2/12 E_Port-to-E_Port connections. Once the feature key is  
purchased and installed, the switch can be congured for E_Port connections on any  
of the active ports.  
The feature key includes distance support. With rmware 06.00.00 and later, the Edge  
Switch 2/12 ships standard with ve buffer-to-buffer (BB) credits allocated to each port.  
After activation of the Full Fabric feature on a switch, every port has 12 BB Credits  
allocated to support up to 12 km links at 2Gb/s speeds.  
Hard zoning for Edge Switch 2/12 and Edge Switch 2/24 switch loop ports  
Firmware 06.00.00 and later extends Hard Zoning to loop (FL) ports on Edge Switch  
2/12 and Edge Switch 2/24. Previously, zoning on FL ports was regulated in software.  
Known issues  
This section describes the known issues related to the Edge Switch 2/12, Edge Switch  
2/24, and Edge Switch 2/32.  
Certain unauthorized devices may increase response time for fabric operations  
under specic conditions with the Edge Switch 2/24  
When Port Binding is enabled, unauthorized devices (devices that are not set up by the  
Port Binding) with older technology can transmit numerous fabric login (FLOGI) requests,  
which are rejected by the Edge Switch 2/24. Processing these exchanges may increase  
fabric response times for activities such as fabric builds and valid FLOGI response time  
for other ports.  
Workaround  
Remove the unauthorized device, change the Port Binding WWN (if this device should  
be authorized), or alternatively, disable Port Binding.  
HSG80 transparent mode not supported with IBM AIX  
Use of an HSG80 with IBM AIX is restricted to operating the HSG80 in Multibus mode  
with the Edge Switch 2/12, Edge Switch 2/24, and Edge Switch 2/32. Transparent  
mode is not supported at this time.  
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Workaround  
None.  
HSG80 transparent mode not recommended with controller in SCSI-3 mode  
with HP-UX operating systems  
Due to an issue with nonexistent duplicate LUNs being displayed with the HP-UX  
operating systems, the HSG80 controller is restricted to SCSI-2 mode of operation when  
set to Transparent failover mode.  
SCSI-3 mode of operation in Multibus failover mode is fully supported with the use of  
Secure Path software, 3.0 or later versions.  
Workaround  
None.  
ISL disconnect causes NOS error with the OpenVMS operating systems  
When an ISL connection is physically removed between directors or switches, the Fibre  
Channel Adapter model FCA2354 transmits a Not Operational Sequence (NOS)  
error. This is observed as an entry in the HAFM appliance Link Incident log for the  
port in which the FCA2354 is attached. The director’s Hardware View also displays a  
yellow triangle icon over the port that detected this incident. The fabric operation or  
data movement is not disrupted by these incidents, and you can clear alerts from these  
incidences using the following procedure.  
Workaround  
Use these steps to clear the incident alerts.  
1. At the HAFM Hardware View, click the port module to open the Port Card View.  
2. Right-click on the port with the yellow triangle icon, and choose Clear Link Incident  
Alert(s).  
Support for speed Auto-Negotiate  
Auto-negotiate is supported. However, HP recommends that the port speed for E_Ports  
(for Interswitch Links, or ISLs) be set to a specic port speed (1Gb/sec or 2Gb/sec, as  
appropriate for the speed of the directors or edge switches being connected) instead  
of to Negotiate. Using a specic port speed decreases the time for a fabric build in  
response to some perturbation event in the fabric. Similarly, setting a specic port speed  
for N_Ports also decreases fabric build time. However, setting a specic port speed for  
N_Ports is not required.  
There are a few older HBA devices that do not always succeed in logging in to a switch  
port when the port speed is set for auto-negotiate.  
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Edge Switch release notes  
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Workaround  
If an older HBA has difculty logging into a switch port that has its port speed  
congured as Negotiate, congure that port speed to 1Gb/sec or 2Gb/sec according to  
the operation speed of the HBA connected to that port.  
Ports may accumulate spurious events  
A port may accumulate Invalid transmission word and Bit-Error Threshold Link Incident  
events when a transceiver is poorly seated, resulting in a poor ground connection.  
Workaround  
Reseating the optical transceiver corrects the problem.  
Possible switch reset after power failure or power off sequence  
In extremely rare instances, after a power failure or power off sequence, an edge switch  
or director conguration may be reset to factory default settings. This is evident when  
HAFM is unable to communicate with the edge switch or director after being powered  
on. This condition occurs because the IP address assigned to the edge switch or director  
has been reset to the factory default value (10.1.1.10).  
Workaround  
If this condition occurs, the conguration of the edge switch or director must be restored,  
and the IP address must be restored. Also, all licensed features need to be reactivated  
by entering the license keys again.  
SNMP issues  
SNMP traps warmStart and coldStart are not always received across Ethernet  
switches.  
Workaround  
None.  
24  
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