HP StorageWorks 4000/6000/8000 - Enterprise Virtual... Manuale di istruzioni

HP StorageWorks

4000/6000/8000 Enterprise Virtual

Array connectivity 5.1A for HP-UX

release notes

Part number: 5697-5577

Fifth edition: February 2006

Legal and notice information

Hewlett-Packard Company makes no warranty of any kind with regard to this material, including, but not limited to, the implied warranties

of merchantability and fitness for a particular purpose. Hewlett-Packard shall not be liable for errors contained herein or for incidental or

consequential damages in connection with the furnishing, performance, or use of this material.

This document contains proprietary information, which is protected by copyright. No part of this document may be photocopied, reproduced, or

translated into another language without the prior written consent of Hewlett-Packard. The information is provided “as is” without warranty

of any kind and 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.

Itanium® is a registered trademark of Intel Corporation or its subsidiaries in the United States and other countries.

4000/6000/8000 Enterprise Virtual Array connectivity 5.1A for HP-UX release notes

About this document

This section describes the content reflected in this document, including:

•Release notes information, page 3

•Intended audience, page 3

•Accessing future product updates,page3

Release notes information

These release notes describe the following topics:

•Enhancements, page 3

•EVA storage system,page3

• EVA compatibility, page 4

•Operating constraints,page6

•Storage System Scripting Utility for EVA, page 6

•Recommendations, page 6

Intended audience

These release notes are intended for:

•Customers who purchased the HP StorageWorks 4000/6000/8000 Enterprise Virtual Array

(EVA4000/6000/8000) storage system to use with the HP-UX operating system

•HP customer service personnel responsible for installing and maintaining devices connected to

an EVA4000/6000/8000 storage system

Accessing future product updates

HP strongly recommends that customers sign up on line using the Subscriber’s choice web site:

http://www.hp.com/go/e-updates.

•Subscribing to this service provides you with e-mail updates on the latest product enhancements,

the newest versions of drivers, and firmware documentation updates, as well as instant access to

numerous other product resources.

•After signing up, you can quickly locate your products by selecting Business support and then

Storage under Product Category.

Enhancements

This release includes the following enhancements:

•Support for EVA4000/6000/8000 controller software 5.100

•Support for Storage Management Appliance

•Supportfora4Gbfrontendcontroller

•Support for RoHS-compliant hardware

In this release, Secure Path can coexist with HP-UX pvLinks software.

EVA storage system

These release notes contain the latest product information at the time of this release.

The latest product support information and downloads for storage products are available on the HP

storage web site:

4000/6000/8000 Enterprise Virtual Array connectivity 5.1A for HP-UX release notes 3

http://h18006.www1.hp.com/storage/index.html

EVA documentation

A complete library of EVA4000/6000/8000 and related documentation is available on the following

HP web sites:

http://www.hp.com/go/eva4000

http://www.hp.com/go/eva6000

http://www.hp.com/go/eva8000

Supported configurations

Supported configurations are described in the Enterprise Virtual Array QuickSpecs, available on the

following HP web site:

http://h18006.www1.hp.com/storage/arraysystems.html

EVA compatibility

This section lists the specifications at the time of this release. Some component versions may change due

to revision. For the latest information, see the HP storage web site:

http://h18006.www1.hp.com/storage/index.html

Operating system specifications

Table 1 lists the operating system specifications.

Table 1 Operating system speciﬁcations

HP-UX

version Cluster support Fibre Channel

adapter Adapter

firmware

11iV1.0 HP ServiceGuard

A11.15 or later

VERITAS Foundation

Suite; Foundation

Suite/HA 3.5

AB378A, 4 Gb

AB379A, 4 Gb

A9784A, 2 Gb

A9782A, 2 Gb

A6826A, 2 Gb

A6795A, 2 Gb

A6685A, 1 Gb

HSC

Native

11iV2.0 HP ServiceGuard

A.11.15 or later AB378A, 4 Gb

AB379A, 4 Gb

A9784A, 2 Gb

A9782A, 2 Gb

A6826A, 2 Gb

A6795A, 2 Gb

Native

Required patches

Table 2 lists the minimum patch revisions.

Table 2 Patch revisions

HP-UX version Minimum patch revision (may be superceded)

11iV1.0 Hardware Enablement Bundle HWEnable 11iB.11.11.0312.4

PHKL_29985 (VxFS cumulative)

PHKL_29826 – getmount_entry

PHKL_27266 – (u)mount performance

PHKL_28984 – Fibre Channel mass storage patch

PHKL_28695 VM patch

PHKL_28238 Early KRS

PHKL_27321 Early KRS

PHKL_28569 WSIO patch

PHKL_29047 SCSI IO cumulative patch

PHKL_30218 Dump Patch2 for EVA support

PHKL_30219 Dump Patch1 for EVA support

PHKL_30511 EVA cumulative patch

PHKL_30622 LVM cumulative patch

PHCO_29495 libc cumulative patch

PHCO_29905 mount(1M) cumulative patch

PHCO_27957 umount(1M) cumulative patch

PHCO_27958 mountall cumulative patch

PHCO_27959 umountall(1M) cumulative patch

PHCO_28651 VxVM Enterprise Administrator srvc patch

PHCO_28656 VxVM Enterprise Administrator patch

11iV2.0 PHKL_30511 EVA cumulative patch

Switch support

This release supports the Fibre Channel (FC) switches and firmware versions listed in the HP StorageWorks

SAN design reference guide, which you can download from the HP StorageWorks web site:

http://h18004.www1.hp.com/products/storageworks/san/documentation.html

NOTE:

HP recommends that you

not

mix switch firmware versions in a SAN. It is a best practice to uniformly

upgrade all switches in the SAN.

Multiple-path support

For an HP-UX system with EVA4000/6000/8000 storage HP recommends the installation of

multipathing software on each host to achieve high-availability, multipath capability.

HP-UX pvLinks native multipathing solutions are supported. For more information about pvLinks, see your

HP-UX operating system documentation.

Single-path support

HP-UX servers require a single Fibre Channel adapter (FCA) to support single-path mode.

NOTE:

Do not use single-path mode in mission-critical environments.

4000/6000/8000 Enterprise Virtual Array connectivity 5.1A for HP-UX release notes 5

Secure Path version

Secure Path is an optional EVA4000/6000/8000 multipathing solution. The current version of Secure

Path for HP-UX can be found on the following HP web site:

http://h18006.www1.hp.com/products/sanworks/secure-path/index.html

Supported servers

Table 3 lists the EVA-compatible HP-UX servers.

Table 3 EVA-compatible HP-UX servers

rp24xx rp34xx rp44xx

rp54xx rp7400 rp7410

rp7420 rp84xx L1000/2000

Kx60 Kx70 Kx80

PA-RISC

Orca Superdome

rx16xx rx26xx rx46xx

rx56xx rx76xx rx86xx

Itanium®

zx2000 zx6000 SD Integrity

Operating constraints

For information about operating constraints for the EVA4000/6000/8000 hardware and HP

StorageWorks Command View EVA, see their release notes.

Failover/failback

Failback preference settings for the HSV controllers are specific to the operating system. See the HP

StorageWorks HP-UX connectivity for the Enterprise Virtual Array installation and reference guide for

more information.

Storage System Scripting Utility for EVA

The latest version of the Storage System Scripting Utility (SSSU) is available on the HP storage web site:

http://h18006.www1.hp.com/products/storage/software/cmdvieweva/index.html

Recommendations

This section contains HP recommendations to ensure proper operation of the EVA4000/6000/8000

storage system.

Codeload usage

When a system with a maximum configuration is running at full capacity, it may experience a time-out

condition before codeload is complete. HP recommends that you always upgrade the multipathing

software at an off-peak time.

Logical Volume Manager

Before creating snapshots or snapclones of a device managed by Logical Volume Manager (LVM), be

sure to verify the LVM configuration. After creating a snapshot or snapclone of a physical volume, run

vgchgid(1M) to break the association between the volume group and the snapshot or snapclone.

Otherwise, snapshots or snapclones appear to LVM as an alternate path to the original physical volume.

This causes data corruption if the snapshot or snapclone is added later to the volume group using

vgextent(1M),vgimport(1M),orvgscan(1M).

When a path to a device managed by LVM becomes unavailable because of a controller failure, path

link failure, switch failure, or HBA failure, I/O requests can be delayed for up to one minute, affecting

the responsiveness of mirrored logical volumes.

When a physical volume becomes unavailable, applications experience a delay while an I/O request

to that volume times out. By default, this delay is 30 seconds, but you can change the time-out value

using the pvchange(1M) command.

Overloaded EVA configurations

Persistent EVA overload may indicate an overloaded configuration, and additional resources are

required to handle the workload. Consult your HP account or service representative for help to properly

configure the EVA for your newly designed or existing configuration.

High-availability environment recommendations

If you have a high-availability environment, your system may experience I/O time-out conditions under

heavy I/O loads. If I/O time-outs occur, HP recommends that you use the pvchange command to

increase the IO_timeout value from the default of 30 seconds to no more than 60 seconds. The

increased IO_timeout value allows for longer I/O completion times and for logical unit number

(LUN) access delays if a controller failover occurs.

NOTE:

Ensure that you have HP ServiceGuard configured properly. More information is available on the

ServiceGuard web site: http://docs.hp.com/hpux/ha/index.html#ServiceGuard.

gsssu utility

Use the following command to access SSSU:

# gsssu

In the command text box, enter an SSSU command. For example:

select manager ip_address username=username password=password

4000/6000/8000 Enterprise Virtual Array connectivity 5.1A for HP-UX release notes 7

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