HP StorageWorks XP1024 Guida rapida

HP StorageWorks

Disk Array XP operating system

conﬁguration guide: Linux

XP12000

XP10000

XP1024

XP128

This guide describes the requirements and procedures for connecting the XP family of disk arrays to a

Linux system and conﬁguring the new disk array for operation with Linux.

Part number: A5951–96094

Seventh edition: (November 2005)

Legal and notice information

Conﬁdential computer software. Valid license from HP required for possession, use or copying. Consistent with

FAR 12.211 and 12.212, Commercial Computer Software, Computer Software Documentation, and Technical

Data for Commercial Items are licensed to the U.S. Government under vendor’s standard commercial license.

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.

Linux is a U.S. registered trademark of Linus Torvalds.

Disk Array XP operating system conﬁguration guide: Linux

Contents

Preface ......................... 5

Aboutthisguide................................ 5

Intendedaudience............................... 5

Diskarrays.................................. 5

Relateddocumentation............................. 5

Documentconventionsandsymbols ....................... 6

HPtechnicalsupport.............................. 7

Subscriptionservice .............................. 7

OtherHPwebsites .............................. 7

1Installation....................... 9

Featuresandrequirements ........................... 9

FibreChannelinterface............................ 10

Deviceemulationtypes............................ 10

Partitions.................................. 11

Failover .................................. 11

SNMP conﬁguration............................. 11

RAID Manager command devices . . . . . . . . . . . . . . . . . . . . . . . 11

Installationprocedures ............................ 12

Install and conﬁgurethediskarray....................... 12

Settingthehostmodeforthediskarrayports .................. 13

SettingtheSystemOptionModes ....................... 14

ConﬁguringtheFibreChannelports ...................... 15

FibreAddress.............................. 16

FabricandConnectionparametersettings.................. 16

Install and conﬁgurethehost ......................... 17

LoadingtheOSandsoftware ......................... 17

Installing and conﬁguringtheHBAs....................... 18

Clusteringandfabriczoning ......................... 18

FabriczoningandLUNsecurityformultipleoperatingsystems ........... 19

Connectthediskarray............................ 20

RestartingtheLinuxserver........................... 20

Deﬁningthepaths.............................. 20

Verifyingnewdevicerecognition........................ 21

Conﬁgurediskarraydevices ......................... 23

Partitioningthedevices............................ 23

Creating the ﬁlesystems ........................... 23

Creating ﬁlesystemswithext2....................... 24

Disk Array XP operating system conﬁguration guide: Linux 3

Creatingthemountdirectories......................... 24

Creatingthemounttable ........................... 25

Verifying ﬁlesystemoperation......................... 25

2Troubleshooting.................... 27

Errorconditions............................... 27

CallingtheHPsupportcenter ......................... 28

Contactinformation ........................... 28

Beforeyoucall ............................. 29

APathworksheet .................... 31

BDiskarraysupportedemulations............. 33

Supportedemulations ............................ 33

Emulation speciﬁcations ........................... 34

Glossary........................ 37

Index ......................... 41

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 Linux operating system

Intended audience

This guide is intended for system administrators with knowledge of:

•The host hardware

•Linux operating system

•XP disk arrays

Disk arrays

Unless otherwise noted, the term “disk array” refers to these disk arrays:

•HP StorageWorks Disk Array XP128

•HP StorageWorks Disk Array XP1024

•HP StorageWorks XP10000 Disk Array

•HP StorageWorks XP12000 Disk Array

Related documentation

The following documents provide related information:

•HP StorageWorks Disk Array XP128: Owner’s Guide

•HP StorageWorks Disk Array XP1024: Owner's Guide

•HP StorageWorks XP10000 Disk Array: Owner's Guide

•HP StorageWorks XP12000 Disk Array: Owner's Guide

You can ﬁnd these documents on the storage web site:

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

Disk Array XP operating system conﬁguration guide: Linux 5

Document conventions and symbols

Convention Element

Blue text Cross-reference links and email addresses

Bold •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

•Literalvaluestypedexactlyasshown

Italics

Text emphasis and book titles

Blue, underlined:

www.hp.com [http://

www.hp.com]

Web site addresses

Monospace font •File and directory names

•System output

•Code

•Commands, their arguments, and argument values

Monospace, italic

font •Code variables

•Command variables

Monospace, bold

font Emphasized monospace text

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.

NOTE:

Provides additional information.

6Preface

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. Telephone

numbers for worldwide technical support are listed on the HP support web site:

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.

Subscription service

HP strongly recommends that customers register online using the Subscriber’s Choice

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

Subscribing to this service provides you with e-mail updates about the latest product

enhancements, driver versions, and ﬁrmware documents, plus instant access to many

other product resources.

After subscribing, locate your products by selecting Business support and then Storage

under Product Category.

Other HP web sites

For additional information, see the following HP web sites:

•h

ttp://www.hp.com/go/storage

•http://www.hp.com/support/

•http://www.hp.com/service_locator

•http://www.docs.hp.com

Disk Array XP operating system conﬁguration guide: Linux 7

8Preface

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:

XP128: From8to128drivesforupto36TB,48FCports

XP1024: From8to1024drivesforupto149TB,64FCports

XP10000: Up to 240drivesforupto69.2TB,48FCports

XP12000: Up to 1152 drives for up to 332 TB, 128 FC ports

•Server support. Server supported by HP to run Linux. Consult your HP

representative for a list of supported servers.

•Operating system support. Red Hat, SuSE, and United Linux are supported.

Before installing the disk array, ensure the environment conforms to these requirements:

•Fibre Channel Port conﬁguration Conﬁgure each Fibre Channel port on the

disk array so it has a unique Fibre Channel loop ID. (All ports are set to 0 by

default at the factory.)

•Linux version Conﬁrm you are using Red Hat, SuSE, or United Linux.

•Superuser access Make sure you have superuser (root) login access to the Linux

system.

•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) OtheravailableXPsoftware(somemaynotbesupportedbyyour

system):

HP StorageWorks Business Copy XP

Disk Array XP operating system conﬁguration guide: Linux 9

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 opticalcableswithSCorLCconnectors

•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.

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-

): 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

volumesisdesignatedasOPEN-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.)

10 Installation

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