HP Hewlett Packard HP StorageWorks Disk Array XP operating system configuration guide XP12000 User Manual

HP-UX  
HP StorageWorks Disk Array XP  
operating system  
configuration guide  
XP128  
XP1024  
XP10000  
XP12000  
sixth edition (July 2005)  
part number: A5951-96015  
This guide describes the requirements and procedures for connecting the XP family of disk  
arrays to an HP-UX system and configuring the new disk array for operation with HP-UX.  
About this guide  
7
Intended audience  
7
Prerequisites  
Disk arrays  
7
7
Related documentation  
HP storage website  
8
8
1
Installation 15  
Features and requirements 16  
Fibre Channel interface 17  
Device emulation types 18  
Failover 18  
SNMP configuration 19  
RAID Manager command devices 19  
Installation procedures 20  
Install and configure the disk array 21  
Setting the host mode for the disk array ports 21  
Setting the System Option Modes 23  
Configuring the Fibre Channel ports 24  
Install and configure the host 26  
Loading the OS and software 26  
Installing and configuring the HBAs 26  
Clustering and fabric zoning 27  
Fabric zoning and LUN security for multiple operating systems 28  
Contents  
3
Connect the disk array 29  
Defining the paths 29  
Verifying HBA installation 31  
Verifying device recognition 32  
Configure disk array devices 35  
Verifying the device files and drivers 36  
Creating the device files 38  
Creating the physical volumes 41  
Creating new volume groups 42  
Creating logical volumes 45  
Setting the I/O timeout parameter 49  
Creating the mount directories 50  
Mounting and verifying the file systems 51  
2
Calling the HP support center 59  
A
Path worksheet  
62  
Supported emulations 64  
Device type specifications 65  
LUSE device parameters 68  
C
Configuring the devices using SAM 74  
Setting the maximum number of volume groups using SAM 76  
Glossary 77  
Index 81  
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HP StorageWorks Disk Array XP Operating System Configuration Guide: HP-UX  
About this guide  
This guide provides information about:  
• Requirements and procedures for connecting an XP disk array to a  
host system  
• Configuring the disk array for use with the HP-UX operating system  
Intended audience  
Prerequisites  
This guide is intended for system administrators with knowledge of the host  
server, the operating system, and XP disk arrays.  
Prerequisites for installing and configuring this product include knowledge  
of:  
• Disk arrays and RAID technology  
• Operating system commands and utilities  
Disk arrays  
Unless otherwise noted, the term disk array refers to these disk arrays:  
HP StorageWorks Disk ArrayXP 128  
HP StorageWorks Disk Array XP1024  
HP StorageWorks XP10000 Disk Array  
HP StorageWorks XP12000 Disk Array  
About this guide  
7
           
Related documentation  
HP provides these related documents:  
• HP StorageWorks Disk Array XP128: Owners Guide  
• HP StorageWorks Disk Array XP1024: Owners Guide  
• HP StorageWorks XP10000 Disk Array: Owners Guide  
• HP StorageWorks XP12000 Disk Array: Owners Guide  
To locate these documents, to learn more about HP software products, or to  
obtain software updates, visit the HP web site:  
.
HP storage website  
For the most current information about HP StorageWorks XP products,  
.
For information about product availability, configuration, and connectivity,  
contact your HP support representative.  
HP sales and authorized resellers  
To reach HP sales or find a local authorized reseller of HP products, call  
1-800-282-6672 or visit the HP How To Buy web site:  
You can also find HP sales and resellers at http://www.hp.com. Click  
Contact HP.  
8
HP StorageWorks Disk Array XP Operating System Configuration Guide: HP-UX  
           
HP technical support  
In North America, call technical support at 1-800-633-3600, available 24  
hours a day, 7 days a week.  
Outside North America, call technical support at the location nearest you.  
The HP web site lists telephone numbers for worldwide technical support  
at: http://www.hp.com/support. From this web site, select your country.  
Collect the following information before calling:  
• Technical support registration number (if applicable)  
• Product serial numbers  
• Product model names and numbers  
• Applicable error messages  
• Operating system type and revision level  
• Detailed questions  
For continuous quality improvement, calls may be recorded or monitored.  
HP strongly recommends that customers sign up online using the  
Subscriber’s choice web site at http://www.hp.com/go/e-updates  
.
Subscribing to this service provides you with email updates on the latest  
product enhancements, newest drivers, and firmware documentation  
updates as well as instant access to numerous other product resources.  
About this guide  
9
   
Document conventions  
Convention  
Element  
Blue text (Figure 1)  
Blue text represents a cross-reference. In the online version of this guide,  
the reference is linked to the target.  
Bold  
Bold text represents application names, file names, menu items, dialog  
box titles, buttons, key names, field names, and literal values that you  
type exactly as shown.  
Italics  
Italic type indicates that you must supply a value. Italic type is also used  
for manual titles.  
Blue underlined sans serif  
font (www.hp.com)  
Underlined, blue text represents a website on the Internet. In the online  
version of this guide, the reference is linked to the target.  
monospace font  
Monospace font denotes user input and system responses, such as output  
and messages.  
Example  
The word “example” in italics denotes an example of input or output.  
Square brackets indicate an optional parameter.  
[ ]  
{ }  
|
Braces indicate that you must specify at least one of the listed options.  
A vertical bar separates alternatives in a list of options.  
10  
HP StorageWorks Disk Array XP Operating System Configuration Guide: HP-UX  
 
Revision history  
September 1999 Open-8 emulation added.  
January 2000  
June 2000  
Content extensively revised and reorganized.  
Added support for XP512.  
Content reorganized and revised.  
February 2001  
April 2003  
Added appendixes C, D, E, and F.  
Added glossary.  
Changed brand name to StorageWorks.  
Added support for OPEN-L and OPEN-V.  
Changed CVS to VCS.  
November 2003 Revised I/O timeout procedure. Minor update.  
August 2004  
July 2005  
Updated for XP12000.  
Updated to include XP10000, Command View XP  
Advanced Edition, and Remote Web Console XP.  
About this guide  
11  
 
Warranty statement  
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Software is furnished (if any) will be free of defects in materials and  
workmanship under normal use.  
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12  
HP StorageWorks Disk Array XP Operating System Configuration Guide: HP-UX  
   
LIMITATION OF LIABILITY. EXCEPT TO THE EXTENT  
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About this guide  
13  
14  
HP StorageWorks Disk Array XP Operating System Configuration Guide: HP-UX  
1
Installation  
You and your HP service representative each play a role in installation.  
Your HP service representative is responsible for installing the disk array  
and formatting the disk devices. You are responsible for configuring the  
host server for the new devices with assistance from your HP service  
representative.  
Installation  
15  
   
Features and requirements  
Ask your HP service representative about the latest supported hardware and  
software.  
The disk array and host have the following features:  
Storage capacity. The storage capacity for each model is listed  
below:  
XP128: From 8 to 128 drives for up to 18 TB, 48 FC ports  
XP1024: From 8 to 1024 drives for up to 149 TB, 64 FC ports  
XP10000: Up to 240 drives for up to 69.2 TB, 48 FC ports  
XP12000: Up to 1152 drives for up to 165 TB, 128 FC ports  
Server support. HP-UX-supported processor  
Operating system support. HP-UX, version 10.20, 11.0, or 11i v2  
with the latest patches (if any)  
Before installing the disk array, ensure the environment conforms to these  
requirements:  
Host Bus Adapters (HBAs) Install HBAs and all utilities and  
drivers. Refer to the adapter documentation for installation details.  
(Recommended) HP StorageWorks Remote Web Console XP,  
Command View XP Advanced Edition or Command View XP with  
LUN management feature for configuring disk array ports and  
paths  
(Recommended) HP StorageWorks LUN Configuration and  
Security Manager XP  
16  
HP StorageWorks Disk Array XP Operating System Configuration Guide: HP-UX  
                 
(Optional) Other available XP software (some may not be  
supported by your array:  
HP StorageWorks Business Copy XP  
HP StorageWorks Continuous Access XP  
HP StorageWorks Continuous Access Extension XP  
HP StorageWorks Auto LUN XP  
HP StorageWorks Data Exchange XP  
HP StorageWorks Resource Manager XP  
HP StorageWorks RAID Manager XP  
HP StorageWorks Cache LUN XP  
HP StorageWorks Auto Path XP  
HP StorageWorks Cluster Extension XP  
HP StorageWorks Performance Advisor XP  
Fibre Channel interface  
The XP family of disk arrays supports these Fibre Channel elements:  
• Connection speed of 1 Gbps and 2 Gbps  
• Short-wave non-OFC (open fiber control) optical interface  
• Multimode optical cables with SC or LC connectors  
• Public or private arbitrated loop (FC-AL) or direct fabric attach  
• Fibre Channel switches  
Even though the interface is Fibre Channel, this guide uses the term “SCSI  
disk” because disk array devices are defined to the host as SCSI disks.  
Installation  
17  
                             
Device emulation types  
The XP family of disk arrays supports these device emulation types:  
OPEN-K/3/8/9/E devices: OPEN-x logical units represent disk  
devices. Except for OPEN-V, these devices are based on fixed  
sizes. OPEN-V is a user-defined size. Supported emulations  
include OPEN-3, OPEN-8, OPEN-9, OPEN-E, OPEN-L, and  
OPEN-V devices.  
LUSE devices (OPEN-x*n): Logical Unit Size Expansion (LUSE)  
devices combine 2 to 36 OPEN-x devices to create expanded  
LDEVs larger than standard OPEN-K/3/8/9/E disk devices. For  
example, an OPEN-x LUSE volume created from ten OPEN-x  
volumes is designated as OPEN-x*10.  
CVS devices (OPEN-x CVS): Volume Size Configuration (VSC)  
defines custom volumes (CVS) that are smaller than normal  
fixed-sized logical disk devices (volumes). (OPEN-V is a  
CVS-based custom disk size that you determine. OPEN-L does not  
support CVS.)  
LUSE (expanded) CVS devices (OPEN-x*n CVS): LUSE CVS  
combines CVS devices to create an expanded device. This is done  
by first creating CVS custom-sized devices and then using LUSE  
to combine from 2 to 36 CVS devices. For example, if three  
OPEN-9 CVS volumes are combined to create an expanded device,  
this device is designated as OPEN-9*3-CVS.  
Failover  
The XP family of disk arrays supports many standard software products  
that provide host, application, or I/O path failover and management.  
The following are supported for HP-UX:  
• HP Multi-Computer/ServiceGuard (MC/ServiceGuard) software for  
application failover  
• Logical volume management (included in HP-UX)  
18  
HP StorageWorks Disk Array XP Operating System Configuration Guide: HP-UX  
       
SNMP configuration  
The XP family of disk arrays supports standard Simple Network  
Management Protocol (SNMP) for remotely managing the disk array. The  
SNMP agent on the SVP performs error-reporting operations requested by  
the SNMP manager. SNMP properties are usually set from the SVP but  
they can also be set remotely using Remote Web Console XP, Command  
View XP, or Command View XP Advanced Edition. Refer to the  
applicable user’s guide for procedures.  
RAID Manager command devices  
RAID Manager manages Business Copy (BC) or Continuous Access (CA)  
operations from a host server. To use RAID Manager with BC or CA, you  
use Remote Web Console, Command View, or Command View XP  
Advanced Edition to designate at least one LDEV as a command device.  
Refer to the applicable user’s guide for information about how to designate  
a command device.  
Installation  
19  
         
Installation procedures  
• Setting the host mode for the disk array ports  
• Installing and configuring the HBAs  
• Fabric zoning and LUN security for multiple operating systems  
• Defining the paths  
• Setting the I/O timeout parameter  
• Creating the mount directories  
• Setting and verifying the auto-mount parameters  
20  
HP StorageWorks Disk Array XP Operating System Configuration Guide: HP-UX  
   
Install and configure the disk array  
The HP service representative performs these tasks:  
• Assembling hardware and installing software  
• Loading the microcode updates  
• Installing the channel adapters (CHAs) and cabling  
• Installing and formatting devices  
After these tasks are finished, you will use Remote Web Console,  
Command View, Command View XP Advanced Edition, or LUN  
Configuration and Security Manager to complete the remaining tasks listed  
below. If you do not have these programs, your HP service representative  
can perform these tasks for you.  
Setting the host mode for the disk array ports  
The disk array ports have host modes that must be set depending on the  
host you use. After the disk array is installed use LUN Manager in Remote  
Web Console XP (shown), Command View XP, or Command View XP  
Advanced Edition to set the host mode for each port. The host mode setting  
for HP-UX is 08.  
Installation  
21  
         
For the XP1024/XP128 arrays, the host mode can also be set at the port  
information window in Command View XP AE.  
22  
HP StorageWorks Disk Array XP Operating System Configuration Guide: HP-UX  
Setting the System Option Modes  
The HP service representative sets the System Option Mode(s) based on the  
operating system and software configuration of the host.  
HA  
Mode Level  
Software Description and Usage  
140  
186  
Optional  
None  
ON: Response to the Inquiry command is  
changed, and the volume can be used from  
VeritasNetBackUP in heterogeneous OS  
configuration, such as HP-UX.  
OFF: Normal response to the Inquiry  
command.  
Mandatory  
Veritas  
ON: Mandatory setting when VERITAS  
Database Editions/Advanced Cluster is  
connected.  
Database  
Editions/  
Advanced  
Cluster  
OFF: VERITAS Database Editions/Advanced  
Cluster should not be connected with this  
setting.  
254  
280  
Optional  
Optional  
Veritas  
Database  
Editions  
Change the response of reserve conflict status  
to Read Capacity, Verify, and Start Stop Unit.  
ON: Normal end is reported.  
OFF: Reserve conflict status is reported.  
HP-UX Ghost LUN Remove  
OS version: HP-UX 11.0 and later.  
ON: When the host scans the LUNS on the  
port, the disk array is not represented in the  
device list for HP-UX.  
OFF: When the host scans the LUNS on the  
port, the disk array is represented in the device  
list for HP-UX.  
Installation  
23  
   
Configuring the Fibre Channel ports  
Configure the disk array Fibre Channel ports by using Remote Web  
Console (shown), Command View, or Command View XP AE. Select the  
settings for each port based on your storage area network topology. Use  
switch zoning if you connect different types of hosts to the array through  
the same switch.  
Fibre Address  
In fabric environments, the port addresses are assigned automatically. In  
arbitrated loop environments, set the port addresses by selecting a unique  
arbitrated loop physical address (AL-PA) or loop ID for each port.  
24  
HP StorageWorks Disk Array XP Operating System Configuration Guide: HP-UX  
     
Fabric and Connection parameter settings  
Set each array port to FABRIC ON or OFF with connections of  
POINT-TO-POINT or FC-AL as shown in the following table and figures.  
For detailed topology information, refer to the HP StorageWorks SAN  
Design Reference Guide on the hp.com website.  
Fabric  
Connection  
parameter parameter  
Provides  
ON  
FC-AL  
Not supported  
ON  
Direct Fabric Attach F-port (fabric port)  
OFF  
OFF  
FC-AL  
AL-port (private arbitrated loop)  
Direct Fabric Attach Not supported  
Installation  
25  
 
Install and configure the host  
This section explains how to install and configure the host and host bus  
adapters (HBAs) that connect the host to the disk array.  
Loading the OS and software  
Follow the manufacturer’s instructions to load the operating system and  
software onto the host. Load all OS patches and configuration utilities  
supported by HP and the HBA manufacturer.  
Installing and configuring the HBAs  
Install and configure the host bus adapters using the HBA manufacturer’s  
instructions.  
26  
HP StorageWorks Disk Array XP Operating System Configuration Guide: HP-UX  
           
Clustering and fabric zoning  
If you plan to use clustering, install and configure the clustering software  
on the servers.  
Clustering is the organization of multiple servers into groups. Within a  
cluster, each server is a node. Multiple clusters compose a multi-cluster  
environment. The following example shows a multi-cluster environment  
with three clusters, each containing two nodes. The nodes share access to  
the disk array.  
Within the Storage Area Network (SAN), the clusters may be  
homogeneous (all the same operating system) or they may be  
heterogeneous (mixed operating systems). How you configure LUN  
Security and fabric zoning depends on the operating system mix and the  
SAN configuration.  
Installation  
27  
   
Fabric zoning and LUN security for multiple operating systems  
You can connect multiple clusters of various operating systems to the same  
switch and fabric using appropriate zoning and LUN security as follows:  
• Host zones must contain only homogeneous operating systems.  
• Storage port zones may overlap if more than one operating system  
needs to share an array port.  
• Heterogeneous operating systems may share an XP array port if you  
use Secure Manager and set the appropriate host group and mode.  
All others must connect to a dedicated XP array port.  
• Use Secure Manager for LUN isolation when multiple hosts connect  
through a shared array port. Secure Manager provides LUN  
security by allowing you to restrict which LUNs each host can  
access.  
Environment  
OS Mix  
Fabric Zoning  
LUN Security  
Standalone SAN  
(non-clustered)  
homogeneous (a single OS  
type present in the SAN)  
Not required  
Must be used when multiple  
hosts connect through a  
shared port  
heterogeneous (more than one Required  
OS type present in the SAN)  
Clustered SAN  
homogeneous (a single OS  
type present in the SAN)  
Not required  
Must be used when multiple  
cluster nodes connect through  
a shared port  
heterogeneous (more than one Required  
OS type present in the SAN)  
Multi-Cluster  
SAN  
homogeneous (a single OS  
type present in the SAN)  
Not required  
Must be used when multiple  
cluster nodes connect through  
a shared port  
heterogeneous (more than one Required  
OS type present in the SAN)  
28  
HP StorageWorks Disk Array XP Operating System Configuration Guide: HP-UX  
     
Connect the disk array  
The HP service representative connects the disk array to the host by:  
1. Verifying operational status of the disk array channel adapters, LDEVs,  
and paths.  
2. Connecting the Fibre Channel cables between the disk array and the  
fabric switch or host.  
3. Verifying the ready status of the disk array and peripherals.  
Defining the paths  
Use Remote Web Console (shown), Command View, or Command View  
XP AE to define paths (LUNs) between hosts and volumes in the disk  
array.  
This process is also called “LUN mapping.” In Remote Web Console and  
Command View, LUN mapping includes:  
Configuring ports  
Setting LUN security  
Creating host groups  
Assigning host bus adapter WWNs to host groups  
Mapping volumes to host groups (by assigning LUNs)  
Installation  
29  
       
In Command View XP AE, LUN mapping includes:  
Configuring ports  
Creating storage groups  
Mapping volumes and WWN/host access permissions to the  
storage groups  
For details see LUN Configuration and Security Manager User’s Guide or  
Command View XP Advanced Edition Device Manager Web Client User’s  
Guide. Note the LUNS and their ports, WWNs, nicknames, and LDEVs for  
later use in verifying host and device configuration.  
30  
HP StorageWorks Disk Array XP Operating System Configuration Guide: HP-UX  
 
Verifying HBA installation  
After configuring the ports on the disk array, verify that the HBAs are  
installed properly.  
Use the ioscan –f command, and verify that the rows shown in the example  
are displayed. If these rows are not displayed, check the host adapter  
installation (hardware and driver installation) or the host configuration.  
Example  
# ioscan -f  
Class I H/W Path  
===============================================================================================  
Driver  
S/W StateH/W Type Description  
...  
fc  
0 8/12  
fcT1  
CLAIMED INTERFACE HP Fibre Channel Mass Storage Adapter  
lan  
fcp  
1 8/12.5  
0 8/12.8  
fcT1_cntl CLAIMED INTERFACE HP Fibre Channel Mass Storage Cntl  
fcp  
CLAIMED INTERFACE FCP Protocol Adapter  
CLAIMED INTERFACE FCP Device Interface  
ext_bus 2 8/12.8.0.255.0  
...  
fcpdev  
Installation  
31  
   
Verifying device recognition  
Verify that the HP-UX system recognizes the new devices on the disk  
array.  
If the SCSI paths were defined after the system is powered on, you must  
halt and restart the system to allow the system to recognize the new  
devices.  
To verify device recognition:  
1. Log in to the system as root.  
2. Display the device data to verify that the system recognizes the newly  
installed devices on the disk array. Use the ioscan –fn command to  
display the device data.  
On a system with a large LUN configuration, HP-UX may not build  
device files on all LUNs. Enter insf –e to build all missing device files.  
Example  
# ioscan -fn  
class  
I
H/W Path  
Driver  
S/W StateH/W Type  
Description  
==========================================================================  
bc  
fc  
lan  
fcp  
6
1
2
1
14  
ccio  
fcT1  
CLAIMED  
CLAIMED  
BUS_NEXUS I/O Adapter HP Fibre Channel Mass  
INTERFACE Storage Adapter HP Fibre Channel Mass  
INTERFACE Storage Cntl /dev/fcms2  
INTERFACE FCP Protocol Adapter HP A3308 FCP-SCSI MUX  
INTERFACE Interface  
14/12  
14/12.5  
14/12.8  
fcT1_cntlCLAIMED  
fcp  
CLAIMED  
CLAIMED  
CLAIMED  
CLAIMED  
CLAIMED  
CLAIMED  
CLAIMED  
CLAIMED  
ext_bus 6 14/12.8.0.0.0  
target  
disk  
fcpmux  
tgt  
sdisk  
sdisk  
fcpdev  
tgt  
9
4
5
14/12.8.0.0.0.0  
14/12.8.0.0.0.0.0  
14/12.8.0.0.0.0.1  
DEVICE  
DEVICE  
DEVICE  
HP OPEN-9 /dev/dsk/c6t0d0/dev/rdsk/c6t0d0  
HP OPEN-9*2 /dev/dsk/c6t0d1 /dev/rdsk/c6t0d1  
disk  
ext_bus 7 14/12.8.0.255.0  
target  
ctl  
INTERFACE FCP Device Interface  
DEVICE  
10 14/12.8.0.255.0.0  
5
14/12.8.0.255.0.0.0sctl  
DEVICE  
HP HPA3308 /dev/rscsi/c7t0d0  
In the example:  
HP OPEN-9 device: SCSI bus number = 14/12, bus instance = 6, SCSI  
target ID = 0, LUN = 0.  
HP OPEN-9*2 device: SCSI bus number = 14/12, bus instance = 6,  
SCSI target ID = 0, LUN = 1.  
configured properly. Refer to the HP documentation or contact HP  
32  
HP StorageWorks Disk Array XP Operating System Configuration Guide: HP-UX  
     
customer support for assistance with the HP 9000 system or the  
HP-UX operating system.  
3. Enter the device data for each disk array device in a table. See “Path  
worksheet” on page 62.  
4. Construct the device file name for each device, using the device  
information, and enter the file names in your table. Use the following  
formula to construct the device file name:  
cxtydz  
where  
x = SCSI bus instance number  
y = SCSI target ID  
z = LUN  
c stands for controller, t stands for target ID, and d stands for device.  
The numbers x, y, and z are hexadecimal.  
Example  
SCSI bus  
instance number Hardware path SCSI TID  
LUN File name  
00  
00  
14/12.6.0  
14/12.6.1  
6
6
0
1
c6t0d0  
c6t0d1  
5. Verify that the SCSI TIDs correspond to the assigned port address for  
all connected ports (see mapping tables on page 63 in Appendix B, for  
values). If so, the logical devices are recognized properly.  
If the logical devices are not recognized properly:  
• Check the AL-PA for each port using the LUN Manager software.  
• If the same port address is set for multiple ports on the same loop  
(AL with HUB), all port addresses except one changed to another  
value, and the relationship between AL-PA and TID does not  
correspond to the mapping given in Appendix B (page 63), set a  
Installation  
33  
different address for each port, reboot the server, and then verify  
new device recognition again.  
• If unused device information remains, the TID-to-AL-PA mapping  
will not correspond to the mapping given in Appendix B (page 63).  
Renew the device information, and then verify new device  
recognition again.  
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HP StorageWorks Disk Array XP Operating System Configuration Guide: HP-UX  
Configure disk array devices  
7. Setting the I/O timeout parameter (see page 49)  
8. Creating the mount directories (see page 50)  
9. Mounting and verifying the file systems (see page 51)  
10. Setting and verifying the auto-mount parameters (see page 52)  
The HP-UX system uses the Logical Volume Manager (LVM) to manage  
the OPEN-x devices on the disk array. The instructions in this section do  
not explicitly cover all LVM configuration issues. For further information  
on LVM configuration, see the HP-UX user documentation.  
HP System Administrator Manager (SAM) can be used instead of UNIX  
commands to configure SCSI disk devices. See appendix C (page 73) for  
further information.  
Installation  
35  
   
Verifying the device files and drivers  
The device files for new devices are usually created automatically during  
HP-UX startup. Each device must have a block-type device file in the  
/dev/dsk directory and a character-type device file in the /dev/rdsk  
directory.  
However, some HP-compatible systems do not create the device files  
automatically. If verification shows that the device files were not created,  
follow the instructions in “Creating the device files” (page 38) to create the  
device files manually.  
This procedure verifies both types of device files.  
To verify that the device files for the disk array devices were created:  
1. Display the block-type device files in the /dev/dsk directory using the  
ls –l command with the output piped to more. Verify there is one  
block-type device file for each disk array device.  
# ls –l /dev/dsk | more  
Total 0  
Example  
brw-r - - - - - 1 bin sys 28 0x006000 Dec 6 15:08  
c6t0d0  
brw-r - - - - - 1 bin sys 280 0x06100 Dec 6 15:08  
c6t0d1  
2. Verify that the block-type device file name for each device is correct.  
3. Display the character-type device files in the /dev/rdsk directory using  
the ls –l command with the output piped to more. Verify that there is  
one character-type device file for each disk array device.  
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HP StorageWorks Disk Array XP Operating System Configuration Guide: HP-UX  
   
# ls –l /dev/rdsk | more  
Total 0  
Example  
crw-r - - - - - 1 bin sys 177 0x006000 Dec 6 15:08  
c6t0d0  
crw-r - - - - - 1 bin sys 177 0x006100 Dec 6 15:08  
c6t0d1  
4. Use the device data table you created to verify that the character-type  
device file name for each device is correct.  
This task can also be accomplished with the lssf command.  
5. After verifying the block-type and character-type device files, verify the  
HP-UX driver for the disk array using the ioscan –fn command.  
Example  
# ioscan -fn  
Class I H/W Path  
Driver  
S/W StateH/W Type  
Description  
=============================================================================================  
bc  
0
root  
CLAIMED BUS_NEXUS  
bc  
1 8  
bc  
CLAIMED BUS_NEXUS Bus Converter  
CLAIMED INTERFACE HP Fibre Channel Mass Storage  
CLAIMED INTERFACE FCP Protocol Adapter  
CLAIMED INTERFACE FCP Device Interface  
fc  
0 8/12  
0 8/12.8  
fcT1  
fcp  
fcp  
ext_bus 2 8/12.8.0.255.0  
fcpdev  
disk  
disk  
disk  
3 8/12.8.8.255.0.6.0 sdisk  
/dev/dsk/c2t6d0  
CLAIMED DEVICE  
/dev/rdsk/c2t6d0  
CLAIMED DEVICE  
/dev/rdsk/c2t6d1  
CLAIMED DEVICE  
/dev/rdsk/c2t8d0  
HITACHI OPEN-9  
HITACHI OPEN-9  
HITACHI 3390*3B  
4 8/12.8.8.255.0.6.1 sdisk  
/dev/dsk/c2t6d1  
5 8/12.8.8.255.0.8.0 sdisk  
/dev/dsk/c2t8d0  
:
#
Installation  
37  
Creating the device files  
If the device files were not created automatically when the system was  
restarted, use the insf –e command in the /dev directory to create the device  
files. After this command is executed, repeat the procedures in the previous  
section (page 36) to verify new device recognition and the device files and  
driver.  
# insf -e  
Example  
insf: Installing special files for mux2 instance 0  
address 8/0/0  
:
:
:
:
:
:
:
:
#
Failure of the insf –e command indicates a SAN problem.  
If the device files for the new disk array devices cannot be created  
automatically, you must create the device files manually using the mknod  
command as follows:  
1. Retrieve the device information you recorded earlier.  
2. Construct the device file name for each device, using the device  
information, and enter the file names in your table. Use the following  
formula to construct the device file name:  
cxtydz  
where  
x = SCSI bus instance number  
y = SCSI target ID  
z = LUN  
c stands for controller, t stands for target ID, and d stands for device.  
The numbers x, y, and z are hexadecimal.  
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HP StorageWorks Disk Array XP Operating System Configuration Guide: HP-UX  
   
3. Construct the minor number for each device, using the device  
information, and enter the file names in your table. Use the following  
formula to construct the minor number:  
0xxxyz00  
where  
xx = SCSI bus instance number  
y = SCSI target ID  
z = LUN  
4. Display the driver information for the system using the lsdev command.  
# lsdev  
Example  
Character Block Driver Class  
:
:
:
:
188  
31  
sdisk  
disk  
#
5. Enter the major numbers for thedevicedriversinto the table. You should  
now have all required device and driver information in the table.  
6. Create the device files for all disk array devices (SCSI disk and  
multiplatform devices) using the mknod command. Create the  
block-type device files in the /dev/dsk directory and the character-type  
device files in the /dev/rdsk directory.  
# cd /dev/dskGo to /dev/dsk directory.  
# mknod /dev/dsk/c2t6d0 b 31 0x026000  
Create block-type file.  
Example  
File name, b=block-type, 31=major #, 0x026000= minor  
#
# cd /dev/rdskGo to /dev/rdsk directory.  
# mknod /dev/rdsk/c2t6d0 c 188 0x026000  
Installation  
39  
Create character-type file.  
File name, c=character-type, 177=major #,  
0x026000=minor #  
:
#
The character-type device file is required for volumes used as raw  
devices (for example, 3390-3A/B/C). The block-type device file is not  
required for volumes used as raw devices.  
If you need to delete a device file, use the rm –i command.  
Example of a completed device data table  
Major # Major #  
for char. for block  
Bus Instance Disk  
Device TID LUN Device  
Minor #  
0xXXYZ00  
no.  
(XX)  
no.  
H/W path  
Driver  
type  
(Y) (Z)  
file  
files  
files  
8/12 02  
8/12 02  
8/12 02  
3
8/12.8.8.255.0.6.0 sdisk OPEN-9 6  
8/12.8.8.255.0.6.1 sdisk OPEN-9 6  
8/12.8.8.255.0.8.0 sdisk 3390-3B 8  
0
1
0
c2t6d0  
c2t6d1  
c2t8d0  
0x026000  
0x026100  
0x028000  
188  
188  
188  
31  
31  
31  
4
5
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HP StorageWorks Disk Array XP Operating System Configuration Guide: HP-UX  
Creating the physical volumes  
A physical volume must be created for each new SCSI disk device.  
To create the physical volumes:  
1. Use the pvcreate command to create the physical volumes with the  
character-type device file as the argument. Specify the /dev/rdsk  
directory.  
# pvcreate /dev/rdsk/c6t0d0  
Example  
Physical volume "/dev/rdsk/c6t0d0" has been  
successfully created.  
:
# pvcreate /dev/rdsk/c6t0d1  
Physical volume "/dev/rdsk/c6t0d1" has been  
Do not use the –f option with the pvcreate command. This option  
creates a new physical volume forcibly and overwrites the existing  
volume. If you accidentally enter the character-type device file for an  
existing volume, you will lose the data on that volume.  
2. Repeat step 1 for each OPEN-x device on the disk array.  
Installation  
41  
     
Creating new volume groups  
You must create new volume groups for the new physical volumes. If  
desired, you can also add any of the volumes on the disk array to existing  
volume groups using the vgextend command. The physical volumes that  
make up one volume group can be located either in the same disk array or  
in other disk arrays.  
To allow more volume groups to be created, use SAM to modify the  
HP-UX system kernel configuration. See appendix C (page 73) for details.  
To create volume groups:  
1. Use the vgdisplay command to display the existing volume groups.  
2. Choose a unique name for the new volume group (for example: vg06).  
3. Create the directory for the new volume group.  
# mkdir /dev/vg06  
Example  
Example  
4. Use the ls –l command (with the output piped to grep to display only  
the files containing “group”) to display the minor numbers for the  
existing group files.  
# ls –1 /dev/vg* | grep group  
crw-rw-rw 1 root root 64 0x0000000 Nov7 08:13  
group  
:
5. Chooseauniqueminornumberforthenewgroupfilein sequential order  
(for example, when existing volume groups are vg00-vg05 and the next  
group name is vg06, use minor number 06 for the vg06 group file).  
The minor numbers are hexadecimal (for example, the 10th minor  
number is 0x0a0000).  
6. Use mknod to create the group file for the new directory. Specify the  
volume group name, major number, and minor number. The major  
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HP StorageWorks Disk Array XP Operating System Configuration Guide: HP-UX  
   
Example  
In this example: group name = vg06, major number of group file = 64,  
minor number of existing group file = 06 (which must be unique for  
each volume group), and c = character.  
# mknod /dev/vg06/group c 64 0x060000  
:
7. Create the volume group.  
To allocate more than one physical volume to the new volume group,  
add the other physical volumes, separated by a space.  
# vgcreate /dev/vg06 /dev/dsk/c6t0d0  
Example  
Volume group "/dev/vg06" has been successfully  
created.  
saved in /etc/1vmconf/vg06.conf.  
For Logical Unit Size Expansion (LUSE) volumes that contain more  
than 17 OPEN-8/9 LDEVs or more than 7043 MB  
(OPEN-8/9*n-CVS), use the –s and –e physical extent (PE)  
parameters of the vgcreate command. See “LUSE device parameters”  
(page 68).  
If you need to delete a volume group, use the vgremove command (for  
example, vgremove /dev/vgnn). If the vgremove command does not  
work because the volume group is not active, use the vgexport  
command (for example, vgexport /dev/vgnn).  
8. Use the vgdisplay command to verify that the new directory was  
created.  
9. Use vgdisplay –v to verify that the volume group was created correctly.  
The –v option displays the detailed volume group information.  
Installation  
43  
# vgdisplay –v /dev/vg06  
Example  
- - - Volume groups - - -  
VG Name  
/dev/vg06  
read/write  
available  
255  
0
VG Write Access  
VG Status  
Max LV  
Cur LV  
Open LV  
Max PV  
Cur PV  
0
16  
1
Act PV  
Max PE per PV  
VGDA  
1
1016  
2
PE Size (Mbytes)  
Total PE  
Alloc PE  
Free PE  
4
586  
0
586  
0
Total PVG  
- - Physical Volumes - - -  
PV Name  
/dev/dsk/c6t0d0  
available  
586  
PV Status  
Total PE  
Free PE  
586  
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HP StorageWorks Disk Array XP Operating System Configuration Guide: HP-UX  
Creating logical volumes  
Use these commands for logical volume configuration:  
lvremove  
Deletes a logical volume.  
Any file system attached to the logical volume must be  
unmounted before executing the lvremove command.  
Example: lvremove /dev/vgnn/lvolx  
lvextend  
lvreduce  
Increases the size of an existing logical volume.  
Example: lvextend –L size /dev/vgnn/lvolx  
Decreases the size of an existing logical volume.  
Any file system attached to the logical volume must be  
unmounted before executing the lvreduce command.  
Example: lvreduce –L size /dev/vgnn/lvolx  
Caution Data within the file system can be lost after execution of lvreduce.  
Create logical volumes after you create volume groups. A logical volume  
must be created for each new SCSI disk device  
To create logical volumes:  
1. Use the lvcreate –L command to create a logical volume.  
Specify the volume size (in megabytes) and the volume group for the  
new logical volume. HP-UX assigns the logical volume numbers  
automatically (lvol1, lvol2, lvol3). Use the following capacity values  
for the size parameter:  
OPEN-K = 1740  
OPEN-3 = 2344  
OPEN-8 = 7004  
OPEN-9 = 7004  
OPEN-E = 13888  
Installation  
45  
     
OPEN-L = 34756  
OPEN-V = 61432  
To calculate S1 for CVS, LUSE, and CVS LUSE volumes, first use  
the vgdisplay command to display the physical extent size (PE Size)  
and usable number of physical extents (Free PE) for the volume.  
Calculate the maximum size value (in MB) as follows:  
S1 = (PE Size) × (Free PE)  
Logical volumes can span multiple physical volumes. Use the  
diskinfo command for extended LUNs.  
Example  
Create an OPEN-3 logical volume the size of the physical volume,  
using 2344 for the size parameter. An OPEN-9 volume uses 7040 for  
the size parameter to create a logical volume the size of the physical  
volume.  
# lvcreate –L 2344 /dev/vg06  
Logical volume "/dev/vg06/lvol1" has been  
successfully created with character device  
"/dev/vg06/rlvol1".  
Logical volume "/dev/vg06/lvol1" has been  
successfully extended.  
Volume Group configuration for /dev/vg06 has been  
saved in /etc/1vmconf/vg06.cof.  
2. Use the lvdisplay command to verify that the logical volume was  
created correctly.  
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HP StorageWorks Disk Array XP Operating System Configuration Guide: HP-UX  
 
# lvdisplay /dev/vg06/lvol1  
- - - Logical volume - - -  
Example  
LV Name  
VG Name  
LV Permission  
LV Status  
Mirror copies  
/dev/vg06/lvol1  
/dev/vg06  
read/write  
available/syncd  
0
Consistency Recovery MWC  
Schedule  
parallel  
LV Size (Mbytes)  
Current LE  
Allocated PE  
Stripes  
2344  
586  
0
Stripe Size (Kbytes) 0  
Bad block  
Allocation  
on  
strict  
3. Repeat steps 1 and 2 for each logical volume to be created.  
You can create only one logical volume at a time. However, you can  
verify multiple logical volumes at a time.  
Creating the file systems  
Create the file system for each new logical volume on the disk array. The  
default file system types are:  
• HP-UX OS version 10.20 = hfs or vxfs, depending on entry in the  
/etc/defaults/fs file  
• HP-UX OS version 11.0 = vxfs  
• HP-UX OS version 11.i = vxfs  
To create file systems:  
1. Use the newfs command to create the file system using the logical  
volume as the argument.  
Installation  
47  
     
# newfs /dev/vg06/rlvol1  
Example  
newfs: /etc/default/fs is used for determining the  
file system type  
mkfs (hfs): Warning -272 sectors in the last  
cylinder are not allocated.  
mkfs (hfs): /dev/vg06/rlvol1 - 2400256 sectors in  
3847 cylinders of 16 tracks, 2547.9MB in 241 cyl  
groups (16 c/g, 10.22Mb/g, 1600 ig/g)  
Super block backups (for fsck -b) at:  
16, 10040, 20064, 30038, 40112, 50136, 60160,  
70184, 80208, 90232, . . . 2396176  
# newfs /dev/vg06/rlvol1Create file system  
Example  
newfs: / etc/default/fs is used for determining the  
file system type  
mkfs (hfs): ...  
:
7188496, 7198520, 7208544  
#
# newfs -F vxfs /dev/vg06/rlvol1Specify file system type  
Example  
:
# newfs -F hfs /dev/vg06/rlvol2  
2. Repeat step 1 for each logical volume on the disk array.  
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HP StorageWorks Disk Array XP Operating System Configuration Guide: HP-UX  
Setting the I/O timeout parameter  
Set the I/O timeout value for each disk device to 30 seconds.  
To change the I/O timeout parameter:  
1. Verify the current I/O timeout value using the pvdisplay command:  
# pvdisplay /dev/dsk/c0t6d0  
Example  
This causes current values to be displayed:  
--- Physical volumes ---  
PV Name  
/dev/dsk/c0t6d0  
VG Name  
/dev/vg06  
PV Status  
Allocatable  
VGDA  
available  
yes  
2
Cur LV  
1
PE Size (Mbytes)  
Total PE  
Free PE  
4
586  
0
Allocated PE  
Stale PE  
IO Timeout (Seconds) default  
586  
0
[OPEN-9]  
[I/O timeout value]  
2. If the I/O timeout value is not 30, change the value to 30 using the  
pvchange -t command:  
# pvchange -t 30 /dev/dsk/c0t6d0  
Example  
This result is displayed:  
Physical volume "/dev/dsk/c0t6d0" has been  
successfully changed.  
Volume Group configuration for /dev/vg06 has been  
saved in /etc/lvmconf/vg06.cof  
3. Verify that the new I/O timeout value is 30 seconds using the pvdisplay  
command:  
# pvdisplay /dev/dsk/c0t6d0  
Example  
Current values are now displayed, confirming that the new I/O timeout  
value is 30 seconds:  
Installation  
49  
   
--- Physical volumes ---  
PV Name  
VG Name  
PV Status  
:
/dev/dsk/c0t6d0  
/dev/vg06  
available  
Stale PE  
0
IO Timeout (Seconds) 30  
[New I/O timeout value]  
4. Repeat the above steps for each new disk that is connected to the system.  
Creating the mount directories  
Create a mount directory for each logical volume. Choose a unique name  
for each mount directory that identifies the logical volume.  
Example The following example shows the root directory as the location for the  
mount directories.  
To create a mount directory for each logical volume:  
1. Usemkdirwith the new mount directory name astheargument tocreate  
the mount directory.  
# mkdir /AHPMD-LU00  
2. Use the ls –x command to verify the new mount directory.  
# ls -x  
AHPMD-LU00 bin  
dev  
device etc  
export  
floppy home hstsboof kadb kernel lib  
3. Repeat steps 1 and 2 for each logical volume on the disk array.  
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HP StorageWorks Disk Array XP Operating System Configuration Guide: HP-UX  
       
Mounting and verifying the file systems  
After the mount directories have been created, mount and verify the file  
system for each logical volume.  
To mount and verify the file systems:  
1. Use mount to mount the file system for the volume.  
# mount /dev/vg06/lvol1 /AHPMD-LU00  
Example  
Example  
2. Repeat step 1 for each logical volume on the disk array.  
If you need to unmount a file system, use the unmount command.  
3. Use the bdf command to verify that the file systems are correct. The  
capacity is listed under Kbytes.  
# bdf  
Filesystem  
Kbytes used avail %used Mounted on  
/ldev/vg00/lvol1 59797 59364  
0 100% /  
:
/ldev/vg06/lvol1 2348177  
9 2113350 0% /AHPMD-LU00  
4. As a final verification, perform some basic UNIX operations (for  
example file creation, copying, and deletion) on each logical device to  
make sure that the devices on the disk array are fully operational.  
#cd /AHPMD-LU00  
Example  
#cp /bin/vi /AHPMD-LU00/vi.back1  
#ls -l  
drwxr-xr-t  
2 root root  
8192 Mar 15  
11:35 lost+found  
-rwxr-xr-x  
1 root sys  
217088 Mar 15  
11:41 vi.back1  
#cp vi.back1 vi.back2  
#ls -l  
Installation  
51  
   
drwxr-xr-t  
11:35 lost+found  
2 root root  
8192 Mar 15  
217088 Mar 15  
217088 Mar 15  
-rwxr-xr-x  
11:41 vi.back1  
1 root sys  
-rwxr-xr-x  
1 root sys  
11:52 vi.back2  
Setting and verifying the auto-mount parameters  
Set up and verify the auto-mount parameters for each new volume. The  
/etc/checklist file (which can also be called the /etc/fstab file) contains the  
auto-mount parameters for the logical volumes.  
To set up and verify the auto-mount parameters:  
1. Edit the /etc/checklist (/etc/fstab) file to add a line for each  
OPEN-x device on the disk array. This example and the following table  
show the auto-mount parameters.  
Example  
#cp -ip /etc/checklist /etc/checklist.standard  
#vi /etc/checklist  
/dev/vg00/lvol1  
/dev/vg00/lvol2  
:
/
hfs  
ignore  
rw  
rw  
0
0
1
0
# root  
# primary swap  
swap  
/dev/vg06/lvol1  
/dev/vg06/lvol2  
/AHPMD-LU00  
/AHPMD-LU01  
hfs  
hfs  
defaults  
defaults  
0
0
2
2
# AHPMD-LU00  
# AHPMD-LU01  
P1  
P2  
P3  
P4  
P5  
P6  
P7  
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HP StorageWorks Disk Array XP Operating System Configuration Guide: HP-UX  
   
Parameter Name  
Enter  
Device to mount Block-type device file name  
P1  
P2  
Mount point  
File system  
Mount directory name  
Type of file system (for example,  
hfs, vxfs)  
P3  
Mount options  
Enhance  
“defaults” or other appropriate  
mount options  
P4  
P5  
0
File system check Order for performing file system  
P6  
P7  
(fsck pass)  
checks  
Comments  
Comment statement  
2. Reboot the system.  
3. Use the bdf command to verify the file system again.  
Installation  
53  
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HP StorageWorks Disk Array XP Operating System Configuration Guide: HP-UX  
2
Troubleshooting  
This section includes resolutions for various error conditions you may  
encounter.  
If you are unable to resolve an error condition, ask your HP support  
representative for assistance. See “Calling the HP support center” on  
page 59.  
Troubleshooting  
55  
     
Error conditions  
Depending on your system configuration, you may be able to view error  
messages as follows:  
• In Remote Web Console (Status tab)  
• In Command View Advanced Edition (“Alerts” panel).  
• In Command View (Event History or Event Notification panels).  
Error Condition  
Recommended Action  
The logical devices are not Verify that the READY indicator lights on the disk array are ON.  
recognized by the host.  
Verify that fiber cables are correctly installed and firmly connected.  
Verify that the target IDs are properly configured. The LUNs for each  
TID must start at 0 and continue sequentially without skipping any  
numbers.  
Verify that the TIDs/WWNs on each bus are unique. Do not install two  
devices with the same ID on the same bus.  
Recheck the buses for new devices.  
Verify that LUSE devices are not intermixed with normal LUNs on the  
same port.  
Verify that the maximum number of LUSE devices per port has not  
been exceeded.  
Verify that the disk array host mode is set correctly.  
The host does not reboot  
If you power off the host without executing the shutdown process, wait  
properly after hard shutdown. three minutes to allow the disk array’s internal timeout process to  
purge queued commands. If the host restarts while the disk array is  
processing queued commands, the host may not reboot successfully.  
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Error Condition  
Recommended Action  
Physical volumes cannot be Verify that the disk array logical devices are correctly formatted.  
created (pvcreate).  
Verify that the character-type device file exists.  
Verify that the correct character-type device file name is used with  
pvcreate (for example, /dev/rdsk/...).  
Volume group cannot be  
Verify that the directory for the new volume group exists.  
created (vgcreate).  
Verify that the control file exists.  
Verify that the correct major number (64) and minor number are used  
with mknod.  
Verify that the block-type device file exists and is entered correctly  
with vgcreate.  
Verify that the physical volume is not already allocated to another  
volume group.  
Logical volumes cannot be Verify that the volume capacity for OPEN-x volumes is not greater  
created (lvcreate).  
than the maximum capacity allowed. See the Device Emulations  
Appendix.  
Verify that the capacity of the volume group is not less than the total  
capacity of the partitioned logical volume.  
The file system cannot be  
Verify that the character-type device file is entered correctly with  
created (newfs command).  
newfs (for example, /dev/vg01/r/vo/x).  
A file system is not mounted Verify that the host was restarted correctly.  
after rebooting.  
Verify that the file system attributes are correct.  
Verify that the auto-mount information in the /etc/checklist  
(/etc/fstab) file is correct.  
Troubleshooting  
57  
         
Error Condition  
Recommended Action  
The disk array performs a  
self reboot because the disk  
array was busy or it logged a  
panic message.  
Reboot the host.  
The disk array responds “Not Contact HP.  
Ready” or the disk array has  
displayed “Not Ready” and  
timed out.  
The host detects a parity  
error.  
Check the HBA and make sure it was installed properly.  
Reboot the host.  
The host hangs or devices are Make sure there are no duplicate disk array TIDs and that disk array  
declared and the host hangs. TIDs do not conflict with any host TIDs.  
58  
HP StorageWorks Disk Array XP Operating System Configuration Guide: HP-UX  
       
Calling the HP support center  
If you are unable to resolve an error condition, contact the HP support  
center for assistance.  
Contact Information  
In North America, call technical support at 1-800-633-3600, available 24  
hours a day, 7 days a week.  
Outside North America, call technical support at the location nearest you.  
The HP web site lists telephone numbers for worldwide technical support  
at: http://www.hp.com/support. From this web site, select your country.  
Before you call  
Be sure to have the following information available:  
• Technical support registration number (if applicable)  
• Product serial numbers  
• Product model names and numbers  
• Applicable error messages  
• Operating system type and revision level  
• Detailed, specific questions  
Troubleshooting  
59  
   
60  
HP StorageWorks Disk Array XP Operating System Configuration Guide: HP-UX  
A
Worksheets  
Worksheets  
61  
   
Path worksheet  
Bus Instance Disk H/W path  
Driver Device TID LUN Device Minor #  
type (Y) (Z) file 0xXXYZ00 for char. for block  
files files  
Major # Major #  
no. (XX)  
no.  
62  
HP StorageWorks Disk Array XP Operating System Configuration Guide: HP-UX  
     
B
Disk array device emulations  
This appendix provides information about supported emulations and device  
type specifications. Some parameters may not be relevant to your array.  
Consult your HP representative for information about supported  
configurations for your system.  
Disk array device emulations  
63  
     
Supported emulations  
OPEN  
OPEN  
Emulation Emulation  
LUSE &  
CVS  
XP Model Type  
Supported  
LUSE  
CVS  
OPEN-3  
Yes  
Yes  
Yes  
Yes  
Yes  
Yes  
Yes  
Yes  
Yes  
Yes  
Yes  
Yes  
Yes  
Yes  
Yes  
Yes  
OPEN-8  
OPEN-9  
OPEN-E  
OPEN-K  
OPEN-L  
OPEN-M  
OPEN-V  
XP128  
XP1024  
XP10000  
XP12000  
Yes  
Yes  
Yes  
Yes  
64  
HP StorageWorks Disk Array XP Operating System Configuration Guide: HP-UX  
   
Device type specifications  
Sector  
Size  
Sectors  
per  
Device Type  
(Note 1)  
Category Blocks  
# of  
CapacityMB*  
(Note 3)  
(Note 2)  
(512 bytes ) (bytes) Cylinders Heads Track  
OPEN-3  
SCSI disk  
SCSI disk  
SCSI disk  
SCSI disk  
SCSI disk  
4806720  
14351040  
14423040  
28452960  
71192160  
512  
512  
512  
512  
512  
512  
3338  
9966  
15  
15  
15  
15  
15  
15  
96  
96  
2347  
7007  
OPEN-8  
OPEN-9  
10016  
19759  
49439  
Note 5  
96  
7042  
OPEN-E  
OPEN-L  
OPEN-V  
LUSE  
96  
13893  
34761  
Note 6  
96  
SCSI disk max=125827200  
128  
OPEN-3*n  
OPEN-8*n  
OPEN-9*n  
OPEN-E*n  
OPEN-L*n  
OPEN-V*n  
SCSI disk  
SCSI disk  
SCSI disk  
SCSI disk  
SCSI disk  
4806720*n  
14351040*n  
14423040*n  
28452960*n  
71192160*n  
512  
512  
512  
512  
512  
512  
3338*n  
9966*n  
10016*n  
19759*n  
49439*n  
Note 5  
15  
15  
15  
15  
15  
15  
96  
96  
2347*n  
7007*n  
7042*n  
13893*n  
34761*n  
Note 6  
96  
96  
96  
SCSI disk max=125827200  
Note 4  
128  
CVS  
OPEN-3 CVS  
OPEN-8 CVS  
OPEN-9 CVS  
OPEN-E CVS  
CVS LUSE  
SCSI disk  
SCSI disk  
SCSI disk  
SCSI disk  
Note 4  
Note 4  
Note 4  
Note 4  
512  
512  
512  
512  
Note 5  
Note 5  
Note 5  
Note 5  
15  
15  
15  
15  
96  
96  
96  
96  
Note 6  
Note 6  
Note 6  
Note 6  
OPEN-3*n CVS  
OPEN-8*n CVS  
OPEN-9*n CVS  
OPEN-E*n CVS  
OPEN-V*n  
SCSI disk  
SCSI disk  
SCSI disk  
SCSI disk  
SCSI disk  
Note 4  
Note 4  
Note 4  
Note 4  
Note 4  
512  
512  
512  
512  
512  
Note 5  
Note 5  
Note 5  
Note 5  
Note 5  
15  
15  
15  
15  
15  
96  
96  
Note 6  
Note 6  
Note 6  
Note 6  
Note 6  
96  
96  
128  
*Capacity = (512 x number of blocks) ÷ 10242  
Disk array device emulations  
65  
     
Note 1: The availability of a disk type depends on the disk array.  
Note 2: The devices are defined to the host as SCSI disk devices, even though the  
interface is Fibre Channel.  
Note 3: The device capacity can sometimes be changed by the BIOS or host adapter  
board. This may make actual capacity different from that listed in the table.  
Note 4: The number of blocks for a CVS volume is calculated as follows:  
# of blocks = (# of cylinders) × (# of heads) × (# of sectors per track)  
Example 1: For an OPEN-3 CVS volume with capacity = 37 MB:  
# of blocks = (53 cylinders–see Note 5) × (15 heads) × (96 sectors per  
track) = 76320  
Example 2: For an OPEN-V CVS volume with capacity = 49 MB:  
# of blocks = (53 cylinders–see Note 5) × (15 heads) × (128 sectors per  
track) = 101760  
Note 5: The number of cylinders for a CVS volume is calculated as follows (↑  
means that the value should be rounded up to the next integer):  
OPEN-3/8/9/E: The number of cylinders for a CVS volume =  
# of cylinders = (capacity (MB) specified by user) × 1024/720 ↑  
Example: For an OPEN-3 CVS volume with capacity = 37 MB:  
# of cylinders = 37 × 1024/720= 52.62(rounded up to next integer) =  
53 cylinders  
OPEN-V: The number of cylinders for a CVS volume =  
# of cylinders = (capacity (MB) specified by user) × 16/15 ↑  
Example: For an OPEN-V CVS volume with capacity = 49 MB:  
# of cylinders = 49 × 16/15= 52.26(rounded up to next integer) = 53  
cylinders  
OPEN-3/8/9/E: The number of cylinders for a CVS LUSE volume =  
# of cylinders = (capacity (MB) specified by user) × 1024/720 ↑ × n  
66  
HP StorageWorks Disk Array XP Operating System Configuration Guide: HP-UX  
Example: For a CVS LUSE volume with capacity = 37 MB and n = 4  
# of cylinders = 37 × 1024/720↑ × 4 = 52.62↑× 4 = 53 × 4 = 212  
OPEN-V: The number of cylinders for a CVS LUSE volume =  
# of cylinders = (capacity (MB) specified by user) × 16/15 ↑ × n  
Example: For an OPEN-V CVS LUSE volume with capacity = 49 MB and  
n = 4  
# of cylinders = 49 × 16/15↑ × 4 = 52.26↑× 4 = 53 × 4 = 212  
Note 6: The capacity of an OPEN-3/8/9/E CVS volume is specified in MB, not  
number of cylinders. The capacity of an OPEN-V CVS volume can be  
specified in MB or number of cylinders. You set the volume size using the  
Remote Web Console, Command View or Command View Advanced  
Edition software.  
Disk array device emulations  
67  
LUSE device parameters  
Max  
Physical  
extent  
size (PE)  
physical  
extent size  
(MPE)  
Device type  
OPEN-K/3/8/9/E  
default  
default  
OPEN-3/K*n (n= 2 to 36)  
OPEN-3/K-CVS  
OPEN-3/K*n-CVS (n = 2 to 36)  
OPEN-8/9*n  
n = 2 to 17  
default  
default  
15845  
16725  
17606  
18486  
19366  
20247  
21127  
22007  
22888  
23768  
24648  
25529  
26409  
27289  
28170  
29050  
29930  
30810  
31691  
n = 18  
n = 19  
n = 20  
n = 21  
n = 22  
n = 23  
n = 24  
n = 25  
n = 26  
n = 27  
n = 28  
n = 29  
n = 30  
n = 31  
n = 32  
n = 33  
n = 34  
n = 35  
n = 36  
8
8
8
8
8
8
8
8
8
8
8
8
8
8
8
8
8
8
8
68  
HP StorageWorks Disk Array XP Operating System Configuration Guide: HP-UX  
     
Max  
Physical  
extent  
size (PE)  
physical  
extent size  
(MPE)  
Device type  
OPEN-E*n  
n = 2 to 9  
n = 10  
n = 11  
n = 12  
n = 13  
n = 14  
n = 15  
n = 16  
n = 17  
n = 18  
n = 19  
n = 20  
n = 21  
n = 22  
n = 23  
n = 24  
n = 25  
n = 26  
n = 27  
n = 28  
n = 29  
n = 30  
n = 31  
n = 32  
default  
default  
17366  
19102  
20839  
22576  
24312  
26049  
27786  
29522  
31259  
32995  
34732  
36469  
38205  
39942  
41679  
43415  
45152  
46889  
48625  
50362  
52098  
53835  
55572  
8
8
8
8
8
8
8
8
8
8
8
8
8
8
8
8
8
8
8
8
8
8
8
Disk array device emulations  
69  
Max  
Physical  
extent  
size (PE)  
physical  
extent size  
(MPE)  
Device type  
n = 33  
8
57308  
59045  
60782  
62518  
default  
default  
n = 34  
8
n = 35  
8
n = 36  
8
OPEN-L*n  
n = 2 to 3  
default  
default  
OPEN-8/9/E-CVS  
OPEN-V  
OPEN-8/9/E*n-CVS  
OPEN-V*n  
(n = 2 to 36)  
70 to 119731(MB) × N1  
8
8
default  
N2  
119732 to (MB) × N1  
N1 = [ VCS volume capacity (in MB) from Remote Console PC ] × n  
N2 = N1 / PE (means round up to next integer)  
Example: CVS volume capacity is 6000 MB for OPEN-9*22-CVS volume:  
N1 = 6000 × 22 = 132000  
N2 = 132000/8 = 16500  
70  
HP StorageWorks Disk Array XP Operating System Configuration Guide: HP-UX  
SCSI TID map for Fibre Channel adapters  
When an arbitrated loop (AL) is established or reestablished, the port  
addresses are assigned automatically to prevent duplicate TIDs. With the  
SCSI over Fibre Channel protocol (FCP), there is no longer a need for  
target IDs in the traditional sense.  
SCSI is a bus-oriented protocol requiring each device to have a unique  
address since all commands go to all devices. For Fibre Channel, the  
AL-PA is used instead of the TID to direct packets to the desired  
destination.  
Unlike traditional SCSI, when control of the loop is acquired, a  
point-to-point connection is established from initiator to target. To enable  
transparent use of FCP, the operating system maps a TID to each AL-PA.  
The host maps SCSI protocol to Fibre Channel protocol and detects and  
accesses Fibre Channel-connected devices using device files  
(/dev/dsk/c*t*d* and /dev/rdsk/c*t*d*) in the same way as for  
SCSI-connected devices. The device files for Fibre Channel-connected  
devices are configured in a different way from SCSI-connected devices,  
because Fibre Channel supports 126 addresses per path while SCSI  
supports 16 TIDs per path.  
The following table identifies the fixed mappings between the TID (drive)  
values assigned by the operating system and the Fibre Channel native  
addresses (AL_PA/SEL_ID) for Fibre Channel adapters. The controller  
number (the dks value in /dev/dsk/dks*d*l*s*) depends on the server  
configuration, and a different value is assigned per each column.  
Disk array device emulations  
71  
   
The mapping cannot be done when these conditions exist:  
• disk array devices and other types of devices are connected in the  
same loop  
• information for unused devices remains in the server system  
• multiple ports participate in the same arbitrated loop  
AL-  
PA  
t
AL-  
t
AL-  
t
AL-  
t
AL-  
t
AL-  
t
AL-  
t
AL-  
t
value PA  
value PA  
value PA  
value PA  
value PA  
value PA  
value PA  
value  
EF  
E8  
E4  
E2  
E1  
E0  
DC  
DA  
D9  
D6  
D5  
D4  
D3  
D2  
D1  
CE  
0
CD  
CC  
CB  
CA  
C9  
C7  
C6  
C5  
C3  
BC  
BA  
B9  
B6  
B5  
B4  
B3  
0
B2  
B1  
AE  
AD  
AC  
AB  
AA  
A9  
A7  
A6  
A5  
A3  
9F  
0
98  
97  
90  
8F  
88  
84  
82  
81  
80  
7C  
7A  
79  
76  
75  
74  
73  
0
72  
71  
6E  
6D  
6C  
6B  
6A  
69  
67  
66  
65  
63  
5C  
5A  
59  
56  
0
55  
54  
53  
52  
51  
4E  
4D  
4C  
4B  
4A  
49  
47  
46  
45  
43  
3C  
0
3A  
39  
36  
35  
34  
33  
32  
31  
2E  
2D  
2C  
2B  
2A  
29  
27  
26  
0
25  
23  
1F  
1E  
1D  
1B  
18  
17  
10  
0F  
08  
04  
02  
01  
00  
0
1
1
1
1
1
1
1
1
2
2
2
2
2
2
2
2
3
3
3
3
3
3
3
3
4
4
4
4
4
4
4
4
5
5
5
5
4
5
5
5
6
6
6
6
6
6
6
6
7
7
7
7
7
7
7
7
8
8
8
8
8
8
8
8
9
9
9
9
9
9
9
9
10  
11  
12  
13  
14  
15  
10  
11  
12  
13  
14  
15  
10  
11  
12  
13  
14  
15  
10  
11  
12  
13  
14  
15  
10  
11  
12  
13  
14  
15  
10  
11  
12  
13  
14  
15  
10  
11  
12  
13  
14  
15  
10  
11  
12  
13  
9E  
9D  
9B  
72  
HP StorageWorks Disk Array XP Operating System Configuration Guide: HP-UX  
C
Reference information for SAM  
The HP System Administrator Manager (SAM) is used to perform HP-UX  
system administration functions, including:  
• setting up users and groups  
• configuring the disks and file systems  
• performing auditing and security activities  
• editing the system kernel configuration  
This appendix provides instructions for:  
• using SAM to configure the disk devices  
• using SAM to set the maximum number of volume groups  
Reference information for SAM  
73  
       
Configuring the devices using SAM  
The SAM Areas window displays the system administration functions and  
allows you to select the desired function. The Disks and File Systems  
function allows you to configure new disk devices for LVM operations.  
To configure the newly installed SCSI disk devices:  
1. Select Disks and File Systems, then select Disk Devices.  
74  
HP StorageWorks Disk Array XP Operating System Configuration Guide: HP-UX  
   
2. Verify that the new disk array devices are displayed in the Disk Devices  
window.  
3. Select the device to configure, select the Actions menu, select Add, and  
then select Using the Logical Volume Manager.  
4. In the Add a Disk Using LVM window, select Create... or Extend a  
Volume Group.  
5. In the Create a Volume Group window, enter the name of the new or  
existing volume group to assign the new device to, and then click OK  
twice. The Add a Disk Using LVM window now displays the volume  
group name.  
6. Select Add New Logical Volume to open the Create New Logical  
Volumes window.  
7. In the Create New Logical Volumes window, enter the name, size in  
megabytes, and mount directory for the new logical volume. Select  
Add, and then click OK twice.  
8. Repeat steps 3 through 7 for each new disk device on the disk array.  
Reference information for SAM  
75  
   
Setting the maximum number of volume groups  
using SAM  
The HP-UX kernel specifies the maximum number of volume groups that  
can be created. The default is 10. You may need to change this number to  
accommodate new devices on the disk array. To change this number, use  
the Kernel Configuration function.  
To change the maximum number of volume groups:  
1. Select the Kernel Configuration function, then select Configurable  
Parameters.  
2. In the Configurable Parameters window, select the maxvgs  
parameter, select the Actions menu, and then select Modify  
Configurable Parameter.  
3. In the Modify Configurable Parameter window, enter the desired  
maximum number of volume groups in the Formula/Value field, and  
then click OK.  
4. In the Configurable Parameters window, make sure that none of the  
parameters are selected. Then select the Actions menu, and select  
Create New Kernel.  
5. When the configuration window opens, click Yes to create the new  
kernel (or click No to return to the Configurable Parameters window.)  
6. When the Reboot the System window opens, click OK to move the  
new kernel into place and reboot the system.  
76  
HP StorageWorks Disk Array XP Operating System Configuration Guide: HP-UX  
   
Glossary  
AL  
Arbitrated loop.  
AL-PA  
Arbitrated loop physical address.  
array group  
A group of 4 or 8 physical hard disk drives (HDDs) installed in an XP disk  
array and assigned a common RAID level. RAID1 array groups are made  
up of 4 HDDs (2D+2D). A RAID1 group is two 4 HDD array groups  
concatenated together (4D+4D). RAID5 array groups are made up of 4 or 8  
HDDs, depending on whether they are RAID5 3D+1P or RAID5 7D+1P,  
respectively. All RAID6 array groups are made up of 8 HDDs (6D+2P).  
BC  
CA  
HP StorageWorks Business Copy XP. BC lets you maintain up to nine local  
copies of logical volumes on the disk array.  
HP StorageWorks Continuous Access XP. CA lets you create and maintain  
duplicate copies of local logical volumes on a remote disk array.  
Command View  
(CVXP)  
HP StorageWorks Command View XP, a software product for managing XP  
arrays. Command View runs on a Windows-based management workstation.  
Command View XP  
Advanced Edition  
(CVXP AE)  
HP StorageWorks Command View XP Advanced Edition, installs on the  
user-provided Device Manager server and provides a browser-based  
platform from which you can manage the XP family of disk arrays—even  
globally distributed arrays.  
command device  
CU  
A volume on the disk array that accepts Continuous Access or Business Copy  
control operations which are then executed by the disk array.  
Control Unit. Contains LDEVs and is approximately equivalent to SCSI  
Target ID.  
Glossary  
77  
   
CVS  
Custom volume size. CVS devices (OPEN-x CVS) are custom volumes  
configured using array management software to be smaller than normal  
fixed-size OPEN system volumes. Synonymous with volume size  
customization (VSC).  
DKC  
The array cabinet that houses the channel adapters and service processor  
(SVP).  
(disk controller unit)  
DKU  
The array cabinets that house the disk array physical disks.  
(disk cabinet unit)  
emulation modes  
The logical devices (LDEVs) associated with each RAID group are assigned  
an emulation mode that makes them operate like OPEN system disk drives.  
The emulation mode determines the size of an LDEV:  
OPEN-3: 2.46 GB  
OPEN-8: 7.38 GB  
OPEN-9: 7.42 GB  
OPEN-E: 13.56 GB  
OPEN-L: 36 GB  
OPEN-V: User-defined custom size  
failover  
Disconnecting a failed unit or path and replacing it with an alternative unit  
or path in order to continue functioning.  
FC  
Fibre Channel.  
FC-AL  
FCP  
Fibre Channel arbitrated loop.  
Fibre Channel Protocol.  
Gigabytes  
GB  
HBA  
Host bus adapter.  
host mode  
Each port can be configured for a particular host type. These modes are  
represented as two-digit hexadecimal numbers. For example, host mode 08  
78  
HP StorageWorks Disk Array XP Operating System Configuration Guide: HP-UX  
LDEV  
LUN  
Logicaldevice. AnLDEViscreatedwhenaRAIDgroupiscarvedintopieces  
according to the selected host emulation mode (that is, OPEN-3, OPEN-8,  
OPEN-L). The number of resulting LDEVs depends on the selected  
emulation mode. The term LDEV is often used synonymously with the term  
volume.  
Logical unit number. A LUN results from mapping a SCSI logical unit  
number, port ID, and LDEV ID to a RAID group. The size of the LUN is  
determined by the emulation mode of the LDEV and the number of LDEVs  
associated with the LUN. For example, a LUN associated with two OPEN-  
3 LDEVs has a size of 4,693 MB.  
LUSE  
A LUN is normally associated with only a single LDEV. The LUSE feature  
allows a LUN to be associated with 1 to 36 LDEVs. Essentially, LUSE makes  
it possible for applications to access a single large pool of storage. The LUSE  
feature is available when the HP StorageWorks LUN Configuration Manager  
product is installed.  
OFC  
Open Fibre Control.  
OPEN-x  
A general term describing any one of the supported OPEN emulation  
modes (for example, OPEN-L).  
OS  
Operating system.  
Physical address.  
PA  
path  
“Path” and “LUN” are synonymous. Paths are created by associating a port,  
a target, and a LUN ID with one or more LDEVs.  
port  
A physical connection that allows data to pass between a host and the disk  
array. The number of ports on an XP disk array depends on the number of  
supported I/O slots and the number of ports available per I/O adapter. The  
XP family of disk arrays supports Fibre Channel (FC) ports as well as other  
port types. Ports are named by port group and port letter, such as CL1-A.  
CL1 is the group, and A is the port letter.  
RAID  
Redundant array of independent disks.  
remote console PC  
The PC running HP StorageWorks Remote Control XP.  
Glossary  
79  
Remote Control (RC) HP StorageWorks Remote Control XP. A software product used for  
managing XP arrays.  
Remote Web Console  
(RWC)  
HP StorageWorks XP Remote Web Console. A browser-based program  
installed on the SVP that allows you to configure and manage the disk array.  
R-SIM  
SCSI  
SIM  
Remote service information message.  
Small computer system interface.  
Service information message.  
SNMP  
SVP  
Simple Network Management Protocol.  
Service processor, which is the PC built into the disk controller. The SVP  
provides a direct interface into the disk array. SVP use is reserved for HP  
support representatives only.  
TB  
Terabyte.  
Target ID.  
TID  
Volume  
On the XP array, a volume is a uniquely identified virtual storage device  
composed of a control unit (CU) component and a logical device (LDEV)  
component separated by a colon. For example 00:00 and 01:00 are two  
uniquely identified volumes; one is identified as CU = 00 and LDEV = 00,  
and the other as CU = 01 and LDEV = 00; they are two unique separate virtual  
storage devices within the XP array.  
VSC  
Volume size customization. Synonymous with CVS.  
WWN  
World Wide Name. A unique identifier assigned to a Fibre Channel device.  
80  
HP StorageWorks Disk Array XP Operating System Configuration Guide: HP-UX  
A
host 26  
arbitrated-loop physical address 24  
host mode, setting 21  
I/O timeout parameter 49  
mount directories, creating 50  
port 24  
authorized resellers 8  
Auto LUN XP 17  
Auto Path XP 17  
auto-mount parameters, setting 52  
System Option Mode 23  
Continuous Access Extension XP 17  
Continuous Access XP 17, 19  
B
Business Copy XP 17, 19  
C
Data Exchange XP 17  
Cache LUN XP 17  
device(s)  
Cluster Extension XP 17  
clustering 27, 28  
configuration 35  
using SAM 74  
emulations 18  
designate at least one LDEV as a 19  
RAID Manager 19  
Command View 16, 19, 21, 24  
Command View XP Advanced Edition 16, 19,  
21, 24, 30  
files  
creating 38  
verifying 36  
logical, not recognized by host 56  
LUSE device parameters 68  
recognition 32  
specifications 65  
type specifications 65  
verifying 32  
configuration  
device 35  
emulation types 18  
recognition 32  
using SAM 74  
directories, mount 50  
disk array(s)  
Fibre Channel ports 24  
HBAs 26  
connecting 29  
Index  
81  
 
device types 65  
features 16  
not mounted after rebooting 57  
verifying 36, 51  
installation overview 20  
not ready message 58  
operating system versions 16  
requirements 16  
self reboot 58  
server support 16  
storage capacity 16  
supported 7  
glossary 77  
H
HBA(s)  
configuring 26  
installation, verifying 31  
host  
times out 58  
configuration 26  
shutdown 56  
documentation  
related 8  
hangs up 58  
logical devices not recognized 56  
parity error 58  
E
emulation(s)  
device emulation types 18  
supported 64  
host bus adapters, see "HBAs"  
host mode, setting 21  
error conditions 56  
service representative tasks 21  
technical support 59  
HP-UX, supported versions 16  
F
fabric environment  
parameter settings 25  
port addresses 24  
zoning 27, 28  
I/O timeout parameter, setting 49  
failover 18  
Fibre Channel  
installation  
connecting disk array 29  
HBA, verifying 31  
HP service representative tasks 21  
overview 20  
adapters, SCSI TID map 71  
connection speed 17  
parameter settings 25  
ports, configuring 24  
supported elements 17  
topology example 25  
file system(s)  
L
LDEV(s)  
designate at least one as a command  
logical volume(s)  
cannot be created 57  
for logical volumes 47  
mounting 51  
auto-mount parameters 52  
82  
HP StorageWorks Disk Array XP Operating System Configuration Guide: HP-UX  
cannot be created 57  
creating 45  
file systems 47, 51  
LUN Configuration and Security Manager  
XP 16, 21, 29, 30  
LUN(s)  
R
RAID Manager command devices 19  
RAID Manager XP 17  
Remote Web Console 16, 19, 21, 24  
resellers, authorized 8  
Resource Manager XP 17  
creating 29  
mapping 29  
SAM (HP System Administrator Manager)  
security 27  
LUSE device parameters 68  
configuring devices using 74  
reference information 73  
volume groups, setting maximum  
number 76  
M
mount directories, creating 50  
"SCSI disk" 17  
multi-cluster environment 27  
O
SCSI TIP map 71  
Secure Manager XP 28  
operating system(s)  
loading 26  
security, LUN 27, 28  
LUN security for 28  
server support 16  
multiple, fabric zoning for 28  
supported versions of HP-UX 16  
SNMP configuration 19  
software, optional 17  
storage capacity 16  
P
StorageWorks, supported arrays 7  
system administrator, required knowledge 7  
System Option Mode, setting 23  
parity error 58  
path(s)  
defining 29  
worksheet 62  
Performance Advisor XP 17  
physical volume(s)  
cannot be created 57  
creating 41  
technical support 9, 59  
topology, fabric 25  
troubleshooting 55  
error conditions 56  
technical support 59  
creating groups 42  
port(s)  
address 24  
Fibre Channel 24  
host mode, setting 21  
U
Unix, supported versions HP-UX 16  
V
volume(s)  
Index  
83  
groups  
cannot be created 57  
creating 42  
setting maximum number 76  
logical  
auto-mount parameters 52  
cannot be created 57  
creating 45  
file systems 47, 51  
physical  
cannot be created 57  
creating 41  
creating groups 42  
W
warranty 12  
web site  
HP storage 8  
worksheet, path 62  
X
XP family  
optional software 17  
storage capacity 16  
Z
zoning, fabric 27, 28  
84  
HP StorageWorks Disk Array XP Operating System Configuration Guide: HP-UX  

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