Compaq StorageWorks XP10000 - Disk Array Technical data

HP StorageWorks Disk Array XP operating
system configuration guide: Tru64 UNIX
XP12000
XP10000
Part number: A5951-96065
Seventh edition: June 2006
Legal and notice information
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Confidential computer software. Valid license from HP required for possession, use or copying. Consistent with FAR 12.211 and
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The information contained herein is subject to change without notice. The only warranties for HP products and services are set forth
in the express warranty statements accompanying such products and services. Nothing herein should be construed as constituting
an additional warranty. HP shall not be liable for technical or editorial errors or omissions contained herein.
Microsoft, Windows, Windows XP, and Windows NT are U.S. registered trademarks of Microsoft Corporation.
Contents
Preface
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
About this guide . . . . . . . . .
Intended audience . . . . . . . .
Disk arrays . . . . . . . . . . .
Related documentation . . . . . .
Document conventions and symbols
HP technical support . . . . . . .
Subscription service . . . . . . .
Other HP web sites . . . . . . .
Documentation feedback . . . . .
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1 Installation . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Features and requirements . . . . . . . . . . . . . . . . . . .
Fibre Channel interface . . . . . . . . . . . . . . . . . . .
Device emulation types . . . . . . . . . . . . . . . . . . .
Failover . . . . . . . . . . . . . . . . . . . . . . . . .
SNMP configuration . . . . . . . . . . . . . . . . . . . .
RAID Manager command devices . . . . . . . . . . . . . .
Installation procedures . . . . . . . . . . . . . . . . . . . . .
Install and configure the disk array . . . . . . . . . . . . . . . .
Setting the host mode and host group mode for the disk array ports
Setting the System Option Modes . . . . . . . . . . . . . .
Configuring the Fibre Channel ports . . . . . . . . . . . . .
Fibre address . . . . . . . . . . . . . . . . . . . . .
Fabric and connection parameter settings . . . . . . . . .
Install and configure the host . . . . . . . . . . . . . . . . . .
Loading the OS and software . . . . . . . . . . . . . . . .
Installing and configuring the HBAs . . . . . . . . . . . . . .
Set HBA fabric mode . . . . . . . . . . . . . . . . . .
Using wwidmgr . . . . . . . . . . . . . . . . . . . .
Configuring system files . . . . . . . . . . . . . . . . .
Clustering and fabric zoning . . . . . . . . . . . . . . . .
Fabric zoning and LUN security for multiple operating systems . .
Connect the disk array . . . . . . . . . . . . . . . . . . . . .
Defining the paths . . . . . . . . . . . . . . . . . . . . .
Verifying host recognition of disk array devices . . . . . . . . .
Configure disk devices . . . . . . . . . . . . . . . . . . . . .
Writing the partition labels . . . . . . . . . . . . . . . . .
To write the partition label: . . . . . . . . . . . . . . .
Creating the file systems . . . . . . . . . . . . . . . . . .
To create a file system for each device: . . . . . . . . . .
To create an advanced file system: . . . . . . . . . . . .
Creating mount directories . . . . . . . . . . . . . . . . .
Mounting the file systems . . . . . . . . . . . . . . . . . .
To mount a Tru64 file system: . . . . . . . . . . . . . .
To mount an advanced file system: . . . . . . . . . . . .
Verifying the file systems . . . . . . . . . . . . . . . . . .
Setting and verifying automatic mounting at bootup . . . . . . .
Checking path failover . . . . . . . . . . . . . . . . . . .
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25
HP StorageWorks Disk Array XP operating system configuration guide: Tru64 UNIX
3
2 Troubleshooting . . . . . . . . . . . . . . . . . . . . . . . . .
Error conditions . . . . . .
Calling the HP support center
Contact Information . .
Before you call . .
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27
27
29
29
29
A Path worksheet . . . . . . . . . . . . . . . . . . . . . . . . .
31
B Disk array supported emulations . . . . . . . . . . . . . . . . . .
33
Glossary . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
37
Index . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
41
Supported emulations . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Emulation specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
4
33
34
Preface
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 Tru64 UNIX operating system
Intended audience
This guide is intended for system administrators with knowledge of:
• The host hardware
• Tru64 operating system
• XP disk arrays
Disk arrays
Unless otherwise noted, the term “disk array” refers to these systems:
• HP StorageWorks XP10000 Disk Array
• HP StorageWorks XP12000 Disk Array
Related documentation
The following documents provide related information:
• HP StorageWorks XP10000 Disk Array: Owner’s Guide
• HP StorageWorks XP12000 Disk Array: Owner’s Guide
You can find these documents from the Manuals page of the HP Business Support Center web site:
http://www.hp.com/support/manuals
In the Storage section, click Storage array systems and then select your product.
HP StorageWorks Disk Array XP operating system configuration guide: Tru64 UNIX
5
Document conventions and symbols
Convention
Element
Blue text: Document conventions and
symbols
Cross-reference links and e-mail addresses
Blue, underlined text: http://
www.hp.com
Web site addresses
Bold text
• Keys that are pressed
• Text typed into a GUI element, such as a box
• GUI elements that are clicked or selected, such as menu and list
items, buttons, tabs, and check boxes
Italic text
Text emphasis
Monospace text
•
•
•
•
Monospace, italic text
• Code variables
• Command variables
Monospace, bold text
Emphasized monospace text
File and directory names
System output
Code
Commands, their arguments, and argument values
WARNING!
Indicates that failure to follow directions could result in bodily harm or death.
CAUTION:
Indicates that failure to follow directions could result in damage to equipment or data.
IMPORTANT:
Provides clarifying information or specific instructions.
NOTE:
Provides additional information.
TIP:
Provides helpful hints and shortcuts.
6
Preface
HP technical support
Telephone numbers for worldwide technical support are listed on the HP support web site:
http://www.hp.com/support/.
Collect the following information before calling:
•
•
•
•
•
•
Technical support registration number (if applicable)
Product serial numbers
Product model names and numbers
Error messages
Operating system type and revision level
Detailed questions
For continuous quality improvement, calls may be recorded or monitored.
Subscription service
HP recommends that you register your product at the Subscriber’s Choice for Business web site:
http://www.hp.com/go/e-updates.
After registering, you will receive e-mail notification of product enhancements, new driver versions,
firmware updates, and other product resources.
Other HP web sites
For additional information, see the following HP web sites:
•
•
•
•
http://www.hp.com
http://www.hp.com/go/storage
http://www.hp.com/service_locator
http://www.hp.com/support/manuals
Documentation feedback
HP welcomes your feedback.
To make comments and suggestions about product documentation, please send a message to
feedback@hp.com. All submissions become the property of HP.
HP StorageWorks Disk Array XP operating system configuration guide: Tru64 UNIX
7
8
Preface
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.
Features and requirements
Ask your HP service representative about the latest supported hardware and software.
The disk array has the following features:
• Storage capacity: The storage capacity for each model is listed below:
XP10000: Up to 240 drives for up to 69.2 TB, 48 FC ports
XP12000: Up to 1152 drives for up to 332 TB, 128 FC ports
• Server support: PCI-based AlphaStation or AlphaServer
• Operating system support: Tru64 UNIX, versions 5.1B-2 and later with latest supported patches
Before installing the disk array, ensure the following requirements are met::
• 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
• (Optional) Other available XP software (check with your HP representative for OS version
applicability):
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 External Storage XP
HP StorageWorks Disk Array XP operating system configuration guide: Tru64 UNIX
9
Fibre Channel interface
The XP family of disk arrays supports these Fibre Channel elements:
•
•
•
•
Connection speeds of 1 Gbps, 2 Gbps, and 4 Gbps
Short-wave non-OFC (open fiber control) optical interface
Multimode optical cables with SC or LC connectors
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.
Device emulation types
The XP family of disk arrays supports these device emulation types:
• OPEN-x 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-x 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.
Refer to Emulation specifications for detailed information.
Failover
The XP family of disk arrays supports many standard software products that provide host, application, or
I/O path failover and management. TruCluster is one of the supported applications.
CAUTION:
Tru64 version 5.1B and later fully support dynamic load balancing and failover when multiple HBAs are
connected to the same LUN. This feature is ONLY available with version 5.1B and later.
10
Installation
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, or Command View XP . For procedures, refer to the applicable
user guide available at http://www.hp.com/support/manuals.
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 or Command View, 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.
HP StorageWorks Disk Array XP operating system configuration guide: Tru64 UNIX
11
Installation procedures
Perform these actions to install and configure the disk array:
1. Install and configure the disk array
• Setting the host mode for the disk array ports
• Setting the System Option Modes
• Configuring the Fibre Channel ports
2. Install and configure the host
• Loading the OS and software
• Installing and configuring the HBAs
• Setting up clustering and fabric zoning
• Fabric zoning and LUN security for multiple operating systems
3. Connect the disk array
• Defining the paths
• Verifying host recognition of disk array devices
4. Configure disk devices
•
•
•
•
•
•
12
Writing the partition labels
Creating the file systems
Creating mount directories
Mounting the file systems
Verifying the file systems
Setting and verifying automatic mounting at bootup
Installation
Install and configure the disk array
The HP service representative performs these tasks:
•
•
•
•
Assembling hardware and installing software
Loading the microcode updates
Installing and formatting devices
Configuring array groups and creating LDEVs
After these tasks are finished, use Remote Web Console, Command View, Command View XP Advanced
Edition, or LUN Configuration and Security Manager to complete the remaining tasks listed below. For
procedures, refer to the applicable user guide available at http://www.hp.com/support/manuals. If you
do not have these programs, your HP service representative can perform these tasks for you.
For optimal performance, the following recommendations apply when configuring any XP disk array
with a Tru64 host:
• Sharing of CHA (channel adapter) microprocessors is not recommended
• Multiple host groups sharing the same CHA port is not recommended
NOTE:
As illustrated in the following table, there is no microprocessor sharing with 8–port module pairs. With
16– and 32–port module pairs, alternating ports are shared.
Channel
Adapter
Model
Description
Nr. of Ports
per Microprocessor
Ports Shared
AE020A
8HSR
8-port 2GB CHIP Pair
1
N/A
AE006A
16HSR
16-port 2GB CHIP Pair
2
CL1 - 1 & 5; 3 & 7
CL2 - 2 & 6; 4 & 8
AE007A
32HSR
32-port 2GB CHIP Pair
2
CL1 - 1 & 5; 3 & 7
CL2 - 2 & 6; 4 & 8
AE021A
8FS2R
8-port 4GB CHIP Pair
1
N/A
AE022A
16FS2R
16-port 4GB CHIP Pair
2
CL1 - 1 & 5; 3 & 7
CL2 - 2 & 6; 4 & 8
AE023A
32FS2R
32-port 4GB CHIP Pair
2
CL1 - 1 & 5; 3 & 7
CL2 - 2 & 6; 4 & 8
HP StorageWorks Disk Array XP operating system configuration guide: Tru64 UNIX
13
Setting the host mode and host group mode for the disk array ports
After the disk array is installed, you must set the host mode for each disk array port to match the host
OS. Set the host mode using LUN Manager in Remote Web Console XP (shown), Command View XP,
or Command View XP Advanced Edition. For procedures, refer to the applicable user guide available
at http://www.hp.com/support/manuals. If these are not available, the HP service representative
can set the host mode using the SVP.
The required host mode setting for Tru64 is 07.
CAUTION:
The correct host mode must be set for all new installations (newly connected ports) to Tru64 hosts. Do not
select a mode other than 07 for Tru64. Changing a host mode after the host has been connected is
disruptive and requires the server to be rebooted.
When a new host group is added, additional host group modes (options) may be configured. The
storage administrator must verify if an additional host group mode is required for the host group.
14
Installation
The following host group modes are available for Tru64:
Host
Group
Mode
14
Function
Default
Comments
Enable use of Continuous Access on Tru64
TruClusters.
Inactive
Previously MODE272
CAUTION:
Changing host group modes for ports where servers are already installed and configured is disruptive
and requires the server to be rebooted.
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.
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. For
detailed procedures, refer to HP StorageWorks LUN Configuration and Security Manager XP user guide
available at http://www.hp.com/support/manuals.
Fibre address
In fabric environments, the port addresses are assigned automatically.
HP StorageWorks Disk Array XP operating system configuration guide: Tru64 UNIX
15
Fabric and connection parameter settings
Set each array port to FABRIC ENABLE with connections of POINT-TO-POINT (P-to-P) as shown in the
previous figure. For detailed topology information, refer to the HP StorageWorks SAN Design Reference
Guide available at http://www.hp.com/support/manuals website.
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.
Set HBA fabric mode
Set the HBAs to run in fabric mode as follows.
1. Display the HBA configuration.
P00>>>wwidmgr -show adapter
2. Set the HBA topology to fabric. The 9999 qualifier sets all adapters with one command.
P00>>>wwidmgr -set adapter -item 9999 -topo fabric
16
Installation
Using wwidmgr
When booting from an XP12000/XP10000, use the following procedure to create the bootable device
within the console:
1. Show all wwids
wwidmgr -show wwid
P00>wwidmgr -show wwid
[0] UDID:176 WWID:01000010:6006-0e80-0350-6200-0009-0010-5062-00b0 (ev:none)
[1] UDID:177 WWID:01000010:6006-0e80-0350-6200-0009-0010-5062-00b1 (ev:none)
[2] UDID:178 WWID:01000010:6006-0e80-0350-6200-0009-0010-5062-00b2 (ev:none)
[3] UDID:179 WWID:01000010:6006-0e80-0350-6200-0009-0010-5062-00b3 (ev:none)
[4] UDID:180 WWID:01000010:6006-0e80-0350-6200-0009-0010-5062-00b4 (ev:none)
[5] UDID:181 WWID:01000010:6006-0e80-0350-6200-0009-0010-5062-00b5 (ev:none)
[6] UDID:182 WWID:01000010:6006-0e80-0350-6200-0009-0010-5062-00b6 (ev:none)
[7] UDID:183 WWID:01000010:6006-0e80-0350-6200-0009-0010-5062-00b7 (ev:none)
[8] UDID:184 WWID:01000010:6006-0e80-0350-6200-0009-0010-5062-00b8 (ev:none)
[9] UDID:185 WWID:01000010:6006-0e80-0350-6200-0009-0010-5062-00b9 (ev:none)
[10] UDID:186 WWID:01000010:6006-0e80-0350-6200-0009-0010-5062-00ba (ev:none)
2. Set the disk you installed the boot file system on
wwidmgr -quickset -item 2 -unit 1
P00>wwidmgr -quickset -item 2 -unit 1
Disk assignment and reachability after next initialization:
6006-0e80-0350-6200-0009-0010-5062-00b2 via adapter: via fc nport:
dga1.1001.0.4.1
pga0.0.0.4.1
5006-0e80-0350-6211
dgb1.1001.0.3.0
pgb0.0.0.3.0
5006-0e80-0350-6211
connected:
Yes
Yes
3. Initialize the system
init
P00>init
4. Show devices
show dev d
P00>show dev d
dga1.1001.0.4.1
dgb1.1001.0.3.0
dka0.0.0.2004.0
dka500.5.0.2004.0
dqa0.0.0.15.0
dva0.0.0.1000.0
$1$DGA1
$1$DGA1
DKA0
DKA500
DQA0
DVA0
HP OPEN-V
HP OPEN-V
COMPAQ BF01863644
COMPAQ BF01863644
COMPAQ CRD-8402B
2114
2114
3B05
3B05
1.03
The list of adapters is displayed, showing fabric topology.
5. Set the Boot default device
set bootdef_dev dga1.1001.0.4.1,dgb1.1001.0.3.0
P00>set bootdef_dev dga1.1001.0.4.1,dgb1.1001.0.3.0
6. Boot the system
boot
P00>boot
HP StorageWorks Disk Array XP operating system configuration guide: Tru64 UNIX
17
Configuring system files
Configure the Tru64 system to recognize the HBA as explained in the Tru64 Installation Guide or New
Hardware Delivery (NHD) kit. This usually consists of booting genvmunix and executing doconfig (as
explained in the Installation Guide). This can also sometimes be done by editing the system kernel
configuration file as explained below.
1. Use the doconfig -c config_file command to reconfigure the kernel, where config_file is usually
the system name.
2. When you add a new HBA after an HBA of the same type has already been installed, a simple
reboot causes the host to recognize the new HBA. No rebuilding or reconfiguration is required.
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. In
this example, the array is configured so that Host Group 00 is presented only to Cluster 1, Host Group
01 only to Cluster 2, and Host Group 02 only to Cluster 3. Always configure an array so that a host
group is presented to only 1 cluster.
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.
18
Installation
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:
• 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. For detailed procedures, refer to HP StorageWorks Secure Manager XP user guide
available at http://www.hp.com/support/manuals.
Environment
Standalone SAN
(non-clustered)
Clustered SAN
Multi-Cluster SAN
OS Mix
LUN Security
Fabric Zoning
homogeneous (a single OS
type present in the SAN)
Not required
(Required with multiple
nodes)
heterogeneous (more than
one OS type present in the
SAN)
Not recommended
homogeneous (a single OS
type present in the SAN)
Not required
(Required with multiple
clusters)
heterogeneous (more than
one OS type present in the
SAN)
Not recommended
homogeneous (a single OS
type present in the SAN)
Not required
heterogeneous (more than
one OS type present in the
SAN)
Not recommended
N/A
Must be used when multiple
cluster nodes connect through
a shared port
Must be used when multiple
cluster nodes connect through
a shared port
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.
HP StorageWorks Disk Array XP operating system configuration guide: Tru64 UNIX
19
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
Enabling LUN security on the ports
Creating host groups
Assigning host bus adapter WWNs to host groups
Mapping volumes to host groups (by assigning LUNs)
The figure below shows an example of a Remote Web Console LUN Management display used
to perform LUN mapping.
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 HP StorageWorksLUN Configuration and Security Manager XP user 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.
20
Installation
Verifying host recognition of disk array devices
Use the scu show edt command at the UNIX prompt to see the list of new disk array devices.
The device files are created automatically in Tru64 UNIX during system startup. Device files are created
for each logical unit.
1. Verify the character-type device files have been automatically created:
Example — Tru64 v5.1B
# file /dev/rdisk/dsk*
2. Verify the block-type device files have been automatically created:
Example — Tru64 v5.1B
# file /dev/disk/dsk*
Configure disk devices
Configure disks in the disk array using the same procedure for configuring any new disk on the host.
This includes the following procedures:
1. Writing the partition labels
2. Creating the file systems
3. Creating mount directories
4. Mounting the file systems
5. Verifying the file systems
6. Setting and verifying automatic mounting at bootup
7. Checking path failover
Creating scripts to configure all devices at once may save you considerable time. Refer to Tru64 UNIX
System Administration for detailed procedures.
Writing the partition labels
Use the disklabel command to label the partition for each logical unit. Partition c specifies the entire area
in the logical unit. Check that no errors are found in the partition settings after the labeling.
You can edit the disk partition size using the disklabel command with option –e. When the disklabel
–e command is executed, the vi editor for the environment in which you are working starts up. After
completing the editing, save the file and execute the disklabel command again; the partition setting
is renewed.
HP StorageWorks Disk Array XP operating system configuration guide: Tru64 UNIX
21
To write the partition label:
1. Enter disklabel –rw.
Specify the disk name.
Example — Tru64 v5.1B
# disklabel –rw dsk10 OPEN-3
2. Enter disklabel –r to verify labeling and partition settings.
Specify the disk name.
Example — Tru64 v5.1B
# disklabel –r dsk10
Creating the file systems
Create a file system for each new OPEN-x device. Optionally, you can create and use an advanced file
system (AdvFS) to overcome the size and speed limitations of the file system. If you are not sure which file
system is right for your setup, contact HP customer support.
To create a file system for each device:
# newfs device_file_name
To create an advanced file system:
You can create a new advanced file system domain, or you can add a new fileset to an existing domain.
If you allocate multiple disk partitions to a domain, the advanced file system utilities must be installed.
Example
# addvol /dev/rzb8c domain1
1. Create a new domain.
# mkfdmn device_file_name domain_name
2. Create a new fileset in the new or existing advanced file system domain.
# mkfset domain_name fileset_name
Creating mount directories
Create a mount directory for each device. Assign each mount directory a unique name that identifies the
device being mounted.
1. Create a mount directory.
# mkdir /mount_directory_name
Example
To create a mount directory for LUN 2 (partition c) on the disk array, enter:
# mkdir /HP5700_LU2c
2. Verify the new mount directory.
Example
# ls
22
/
Installation
Mounting the file systems
After the file systems and mount directories have been created, you can mount the file system for each
new device.
To mount a Tru64 file system:
1. Mount device:
# mount device_file_name mount_directory
Example — Tru64 v5.1B
To mount device dsk10c with mount directory name HP5700_LU2c, enter:
# mount /dev/disk/dsk10c HP5700_LU2c
2. Assign the appropriate ownership and permissions:
# chown owner:group *device_file_name*
Example — Tru64 v5.1B
To assign ownership to dsk10c with owner Oracle, group dba enter:
# chown oracle:dba *dsk10c*
To mount an advanced file system:
1. Mount the file system:
# mount –t advfs domain_name#fileset_name mount_directory
Example
To mount the file system with mount directory:
mount –t advfs domain1#fileset1 /HP5700_LU2c
2. Assign the appropriate ownership and permissions:
# chown owner:group *device_file_name*
Example
To assign ownership to dsk10c with owner Oracle, group dba, enter:
chown oracle:dba *dsk10c*
Verifying the file systems
Verify that the new file systems were created correctly and are functioning properly.
1. Display all mounted file systems.
# df
The default display for drive capacity is 512-byte blocks. To view the capacity in KB rather than in
512-byte blocks, enter df –k.
2. Go to a new device directory:
# cd /mount_directory
Example
cd /HP5700_LU2c
HP StorageWorks Disk Array XP operating system configuration guide: Tru64 UNIX
23
3. Copy a file from the root directory to the new device:
# cp /filename file_name.back1
Example
To copy file vmunix from the root directory to the HP5700_LU2c device, enter:
cp /vmunix vmunix.back1
4. Copy a file to the new device again:
# cp /filenamefile_name.back2
Example
To copy the same file again, enter:
cp /vmunix vmunix.back2
5. List the files in the current directory:
Example
# ls –l
The vmunix.back1 and vmunix.back2 files should be shown.
6. Delete the files you copied:
# rm file_name
Example
To remove the file.
Tru64 is
Setting and verifying automatic mounting at bootup
The /etc/fstab file contains boot time mounting parameters for disk devices.
1. Edit the /etc/fstab file after first making a backup copy of the file. Add a line for each new device
to be mounted.
Example
#vi /etc/fstab
/dev/dsk4a
/ ufs rw 1 1
/proc /proc procfs rw 0 0
/dev/dsk12a /usr ufs rw 1 2
/dev/dsk12b swap1 ufs rw 0 2
/dev/dsk12c /HP5700_LU2c ufs rw 1 3
Example explanation:
Device
Mnt Point
File system
Options
(r/w)
Backup (no=0,
yes=1)
fsck order
/dev/dsk4
/
ufs
rw
1
1
/proc
/proc
procfs
rw
0
0
/dev/dsk12a
/usr
ufs
rw
1
2
/dev/dsk12b
swap1
ufs
rw
0
2
/dev/dsk12c
/HP700_LU2c
ufs
rw
1
3
24
Installation
Notes: For UFS systems, you must File System Check (fsck) disks that contain mount points before
mounting other disks on those mount points.
2. Shut down and reboot the system.
3. Use the df or df –k command to verify file system auto mounting.
Checking path failover
The disk array supports Tru64 path failover (Tru64 v5.1B–2 and later only). You can connect multiple
HBAs to the disk array with shared LUNs. Confirm the existence of multiple paths for devices as follows:
1. Type hwmgr -view device to obtain the HWID for the device.
2. Type hwmgr -show scsi -full -id HWID to confirm the status of paths to the device.
If more than one path is currently connected, the status of each path shows as Valid. If you change
the cabling configuration, the old paths will show as Stale. Use the hwmgr -refresh command
to remove the stale paths.
CAUTION:
Tru64 version 5.1B and later fully support dynamic load balancing and failover when
multiple HBAs are connected to the same LUN. This feature is ONLY available with version
5.1B and later.
HP StorageWorks Disk Array XP operating system configuration guide: Tru64 UNIX
25
26
Installation
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.
Error conditions
Depending on your system configuration, you may be able to view error messages (R-SIMS) as follows:
• In Remote Web Console (Status tab)
• In Command View (Event History or Event Notification panels)
HP StorageWorks Disk Array XP operating system configuration guide: Tru64 UNIX
27
Error Condition
Recommended Action
The logical devices are not recognized by the host.
Verify that the READY indicator lights on the disk
array are ON.
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.
Verify the data in the emx_data.c file correctly maps
each WWN to a TID between 0 and 7.
The host does not reboot properly after hard
shutdown.
If you power off the host without executing the
shutdown process, wait 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.
Physical volumes cannot be created.
Verify that the disk array logical devices are correctly
formatted.
Logical volumes cannot be created.
Verify that the volume capacity for OPEN-x volumes is
not greater than the maximum capacity allowed. See
Disk array supported emulations for capacities.
Verify that the capacity of the volume group is not
less than the total capacity of the partitioned logical
volume.
A file system cannot be created.
Verify that logical volume name is a character-type
volume.
A file system is not mounted after rebooting.
Verify that the host was restarted correctly.
Verify that the file system attributes are correct.
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 Ready” or the disk
array has displayed “Not Ready” and timed out.
Contact HP.
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 declared and the host
hangs.
Make sure there are no duplicate disk array TIDs and
that disk array TIDs do not conflict with any host TIDs.
28
Troubleshooting
Calling the HP support center
If you are unable to resolve an error condition, contact the HP support center for assistance.
Contact Information
Telephone numbers for worldwide technical support are listed on the HP support web site:
http://www.hp.com/support/.
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
For continuous quality improvement, calls may be recorded or monitored.
HP StorageWorks Disk Array XP operating system configuration guide: Tru64 UNIX
29
30
Troubleshooting
A Path worksheet
LDEV (CU:LDEV) (CU =
control unit)
Device Type
SCSI Bus
Number
Path 1
Alternate Paths
0:00
TID:
LUN:
TID:
LUN:
TID:
LUN:
0:01
TID:
LUN:
TID:
LUN:
TID:
LUN:
0:02
TID:
LUN:
TID:
LUN:
TID:
LUN:
0:03
TID:
LUN:
TID:
LUN:
TID:
LUN:
0:04
TID:
LUN:
TID:
LUN:
TID:
LUN:
0:05
TID:
LUN:
TID:
LUN:
TID:
LUN:
0:06
TID:
LUN:
TID:
LUN:
TID:
LUN:
0:07
TID:
LUN:
TID:
LUN:
TID:
LUN:
0:08
TID:
LUN:
TID:
LUN:
TID:
LUN:
0:09
TID:
LUN:
TID:
LUN:
TID:
LUN:
0:10
TID:
LUN:
TID:
LUN:
TID:
LUN:
0:11
TID:
LUN:
TID:
LUN:
TID:
LUN:
0:12
TID:
LUN:
TID:
LUN:
TID:
LUN:
0:13
TID:
LUN:
TID:
LUN:
TID:
LUN:
0:13
TID:
LUN:
TID:
LUN:
TID:
LUN:
0:14
TID:
LUN:
TID:
LUN:
TID:
LUN:
0:15
TID:
LUN:
TID:
LUN:
TID:
LUN:
0:16
TID:
LUN:
TID:
LUN:
TID:
LUN:
0:17
TID:
LUN:
TID:
LUN:
TID:
LUN:
HP StorageWorks Disk Array XP operating system configuration guide: Tru64 UNIX
31
32
Path worksheet
B Disk array supported 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.
Supported emulations
OPEN
Emulation
Type
OPEN
Emulation
Supported
LUSE
CVS
LUSE & CVS
OPEN-3
Yes
Yes
Yes
Yes
OPEN-8
Yes
Yes
Yes
Yes
OPEN-9
Yes
Yes
Yes
Yes
XP10000
OPEN-E
Yes
Yes
Yes
Yes
XP12000
OPEN-K
Yes
Yes
Yes
Yes
XP Model
OPEN-L
OPEN-M
OPEN-V
HP StorageWorks Disk Array XP operating system configuration guide: Tru64 UNIX
33
Emulation specifications
Emulation (Note
1)
Category
(Note 2)
Blocks (512
bytes )
Sector
Size
(bytes)
# of
Cylinders
Heads
Sectors
per
Track
Capacity
MB* (Note
3)
OPEN-3
SCSI disk
4806720
512
3338
15
96
2347
OPEN-8
SCSI disk
14351040
512
9966
15
96
7007
OPEN-9
SCSI disk
14423040
512
10016
15
96
7042
OPEN-E
SCSI disk
28452960
512
19759
15
96
13893
OPEN-L
SCSI disk
71192160
512
49439
15
96
34761
OPEN-V
SCSI disk
max=125827200
512
Note 5
15
128
Note 6
OPEN-3*n
SCSI disk
4806720*n
512
3338*n
15
96
2347*n
OPEN-8*n
SCSI disk
14351040*n
512
9966*n
15
96
7007*n
OPEN-9*n
SCSI disk
14423040*n
512
10016*n
15
96
7042*n
OPEN-E*n
SCSI disk
28452960*n
512
19759*n
15
96
13893*n
OPEN-L*n
SCSI disk
71192160*n
512
49439*n
15
96
34761*n
OPEN-V*n
SCSI disk
max=125827200
Note 4
512
Note 5
15
128
Note 6
OPEN-3 CVS
SCSI disk
Note 4
512
Note 5
15
96
Note 6
OPEN-8 CVS
SCSI disk
Note 4
512
Note 5
15
96
Note 6
OPEN-9 CVS
SCSI disk
Note 4
512
Note 5
15
96
Note 6
OPEN-E CVS
SCSI disk
Note 4
512
Note 5
15
96
Note 6
OPEN-3*n CVS
SCSI disk
Note 4
512
Note 5
15
96
Note 6
OPEN-8*n CVS
SCSI disk
Note 4
512
Note 5
15
96
Note 6
OPEN-9*n CVS
SCSI disk
Note 4
512
Note 5
15
96
Note 6
OPEN-E*n CVS
SCSI disk
Note 4
512
Note 5
15
96
Note 6
OPEN-V*n
SCSI disk
Note 4
512
Note 5
15
128
Note 6
LUSE
CVS
CVS LUSE
*Capacity = (512 x number of blocks) ÷ 10242
Note 1:
The availability of an emulation 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.
34
Disk array supported emulations
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
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
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
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 Remote Web Console, Command View or Command View XP Advanced Edition.
HP StorageWorks Disk Array XP operating system configuration guide: Tru64 UNIX
35
36
Disk array supported emulations
Glossary
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 consist of 4 (2D+2D)
or 8 HDDs (4D+4D). RAID5 array groups include a parity disk but also consist
of 4 (3D+1P) or 8 HDDs (7D+1P). All RAID6 array groups are made up of 8
HDDs (6D+2P).
BC
HP StorageWorks Business Copy XP. BC lets you maintain up to nine local
copies of logical volumes on the disk array.
CA
HP StorageWorks Continuous Access XP. CA lets you create and maintain
duplicate copies of local logical volumes on a remote disk array.
CHA
Channel Adapter: Front end PCBs in XP arrays responsible for communication to
other devices, typically HOSTs, though they are also involved in data exchange
with external storage.
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
A volume on the disk array that accepts Continuous Access or Business Copy
control operations which are then executed by the disk array.
CU
Control Unit. Contains LDEVs and is approximately equivalent to SCSI Target ID.
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).
DKU (disk cabinet
unit)
The array cabinets that house the disk array physical disks.
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
Fibre Channel arbitrated loop.
FCP
Fibre Channel Protocol.
GB
Gigabytes.
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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
represents an HP-UX host.
LDEV
Logical device. An LDEV is created when a RAID group is carved into pieces
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.
LUN
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.
PA
Physical address.
path
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.
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
Remote service information message.
SCSI
Small computer system interface.
SIM
Service information message.
SNMP
Simple Network Management Protocol.
SVP
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.
TID
Target ID.
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)
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Glossary
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.
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40
Glossary
Index
A
advanced file system (AdvFS), 22
arbitrated-loop physical address, 15
audience, 5
Auto LUN XP, 9
automatic mounting, 24
B
Business Copy XP, 9, 11
C
Cache LUN XP, 9
clustering, 18, 19
command device(s)
designate at least one LDEV as a, 11
RAID Manager, 11
Command View, 9, 11, 13, 15, 20
Command View XP Advanced Edition, 9, 13,
15, 20
configuration
device, 21
emulation types, 10
Fibre Channel ports, 15
HBAs, 16
host, 16
host mode, setting, 14
port, 15
system files, 18
console commands
df, 23
mkfset, 22
mount, 23
Continuous Access Extension XP, 9
Continuous Access XP, 9, 11
conventions
document, 6
text symbols, 6
D
Data Exchange XP, 9
device(s)
automatic mounting, 24
configuration, 21
emulation types, 10
logical, not recognized by host, 28
mount file system, 23
recognition, 21
type specifications, 34
verifying, 21
directories, mount, 22
disk array(s)
connecting, 19
features, 9
installation, 13
installation overview, 12
Not Ready error message, 28
operating system versions, 9
self reboots, 28
server support, 9
system requirements, 9
disk partition(s)
allocate multiple, 22
change size, 21
document
conventions, 6
related documentation, 5
documentation
HP web site, 5
providing feedback, 7
E
emulation(s)
device emulation types, 10
supported, 34
error conditions, 27
External Storage XP, 9
F
fabric environment
parameter settings, 16
port addresses, 15
zoning, 18, 19
failover, 10
checking, 25
fiber parameter settings, 16
Fibre Channel
connection speed, 10
interface, 10
parameter settings, 16
ports, configuring, 15
supported elements, 10
topology example, 16
file system(s)
advanced (AdvFS), 22, 23
cannot be created, 28
creating, 22
mounting, 23
not mounted after rebooting, 28
verify installation, 23
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H
HBA(s)
configuring, 16
supported, 16
HBA(s) card, verify installation, 17
help
obtaining, 7
host
configuration, 16
doesn’t reboot properly, 28
hangs up, 28
host bus adapters, see "HBAs", 9
host mode, setting, 14
HP
technical support, 7, 29
I
installation, 9
connecting disk array, 19
disk array, 13
overview, 12
verify file system, 23
verify HBA card, 17
interface, Fibre Channel, 10
L
LDEV(s)
designate at least one as a command device,
11
logical volumes, cannot be created, 28
LUN Configuration and Security Manager XP,
9, 13, 20
LUN(s)
creating, 20
mapping, 20
LUN(s), security, 18, 19
M
mount directories, creating, 22
multi-cluster environment, 18
O
operating system(s)
loading, 16
LUN security for, 19
multiple, fabric zoning for, 19
supported versions, 9
P
parity error, 28
partion labels, 21
path(s)
defining, 20
worksheet, 31
42
physical volumes, cannot be created, 28
port(s)
address, 15
Fibre Channel, 15
host mode, setting, 14
R
R-SIMS, 27
RAID Manager command devices, 11
RAID Manager XP, 9
related documentation, 5
Remote Web Console, 9, 11, 13, 15, 20
Resource Manager XP, 9
S
SCSI disk, Fibre Channel interface and term
"SCSI disk", 10
Secure Manager XP, 19
security, LUN, 18, 19
server, support, 9
SNMP configuration, 11
software, optional, 9
Subscriber’s Choice, HP, 7
symbols in text, 6
system file(s)
configuring, 18
System Option Mode, 15
T
technical support, 29
HP, 7
service locator web site, 7
text symbols, 6
topology, fabric, 16
troubleshooting, 27
error conditions, 27
technical support, 29
V
volume(s)
logical, cannot be created, 28
physical, cannot be created, 28
W
web sites
HP, 7
HP Subscriber’s Choice for Business, 7
product manuals, 5
worksheet, path, 31
X
XP family
optional software, 9
Z
zoning, fabric, 18, 19
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