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Contents

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. vii

Tables

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. ix

About

this

guide

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Safety

and

environmental

notices

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Safety

notices

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Environmental

notices

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Product

recycling

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Disposing

of

products

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. xiii

Conventions

used

in

this

guide

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. xiii

Related

information

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. xiv

DS8000

series

library

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. xiv

Other

IBM

publications

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Ordering

IBM

publications

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Web

sites

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How

to

send

your

comments

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. xxi

Summary

of

Changes

for

SC26-7623-03

IBM

TotalStorage

DS8000

User’s

Guide

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. xxiii

Chapter

1.

Introduction

to

IBM

TotalStorage

DS8000

series

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DS8000

models

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DS8100

(Model

921)

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DS8300

(Models

922

and

9A2)

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Model

comparison

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DS8000

physical

footprint

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DS8000

performance

features

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Interfaces

of

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DS8000

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IBM

TotalStorage

DS

Storage

Manager

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DS

command-line

interface

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DS

Open

application

programming

interface

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DS8000

hardware

specifics

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Storage

unit

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IBM

TotalStorage

Management

Console

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Host

systems

that

the

storage

unit

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Processor

memory

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Data

management

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RAID

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Arrays

across

loops

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Storage

System

LPARs

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Copy

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FlashCopy

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Disaster

recovery

using

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Comparison

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licensed

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Parallel

Access

Volumes

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DS8000

limitations

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Planning

data

migration

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How

to

select

a

data

migration

method

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Chapter

2.

Installing

the

DS8000

Storage

Manager

interface

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. 25

©

Copyright

IBM

Corp.

2004,

2005

iii

«
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Содержание TotalStorage DS8000

Страница 1: ...IBM TotalStorage DS8000 User s Guide SC26 7623 03...

Страница 2: ......

Страница 3: ...IBM TotalStorage DS8000 User s Guide SC26 7623 03...

Страница 4: ...under Safety and environmental notices and Notices Fourth Edition April 2005 Copyright International Business Machines Corporation 2004 2005 All rights reserved US Government Users Restricted Rights...

Страница 5: ...ison 5 DS8000 physical footprint 6 DS8000 performance features 8 Interfaces of the DS8000 8 IBM TotalStorage DS Storage Manager 9 DS command line interface 9 DS Open application programming interface...

Страница 6: ...the silent mode 71 Upgrading the IBM TotalStorage DS Storage Manager on a Linux operating system 72 Upgrading the IBM TotalStorage DS8000 Storage Manager on the Linux operating system in unattended s...

Страница 7: ...ating a Remote FlashCopy operation Inband FlashCopy on the ESS 2105 114 Path connections 116 Remote Mirror and Copy 116 Global Copy 117 Global Mirror 118 Metro Mirror 121 Consistency groups 122 Failov...

Страница 8: ...with and without the fast reverse restore feature 151 Appendix Troubleshooting 153 Analyzing generic alert traps 153 Analyzing service information messages SIMs for S 390 and zSeries systems 153 Under...

Страница 9: ...um configuration for Model 921 4 4 Maximum configuration for Models 922 and 9A2 5 5 DS8000 physical footprint Dimensions are in centimeters inches 7 6 DS8300 LPAR resource allocation 96 7 Storage imag...

Страница 10: ...viii DS8000 User s Guide...

Страница 11: ...Tables 1 DS8000 model comparison chart 6 2 Comparison of licensed functions 20 3 Failover and failback implementation 142 4 Failover and failback implementation 145 Copyright IBM Corp 2004 2005 ix...

Страница 12: ...x DS8000 User s Guide...

Страница 13: ...lines for performing the following tasks v Installing the IBM TotalStorage DS8000 Storage Manager on a Windows or Linux operating system v Using the Management Console to access the DS Storage Manager...

Страница 14: ...xii DS8000 User s Guide...

Страница 15: ...njury 1001 2 Find the number that matches in the IBM TotalStorage Solutions Safety Notices for IBM Versatile Storage Server and IBM TotalStorage Enterprise Storage Server GC26 7229 Environmental notic...

Страница 16: ...umber is SK2T 8803 These publications are also available as PDF files by clicking on the Documentation link on the following Web site http www 1 ibm com servers storage support disk ds8100 index html...

Страница 17: ...are related to specific topics Some of the publications are listed under more than one category See Ordering IBM publications on page xx for information about ordering these and other IBM publication...

Страница 18: ...switch with Telnet and the Simple Network Management Protocol SC26 7349 IBM SAN Fibre Channel Switch 2109 Model S16 Installation and Service Guide This publication describes how to install and mainta...

Страница 19: ...functions provide backup and recovery of data if a disaster occurs to your data center The dynamic copy functions are peer to peer remote copy extended remote copy and coupled extended remote copy Col...

Страница 20: ...90 Direct Access Storage in a VM Environment This publication provides device specific information for the various models of the 3390 and describes methods you can use to manage storage efficiently us...

Страница 21: ...e switch using zoning and how to manage the switch remotely SC26 7351 Implementing Fibre Channel Attachment on the ESS This publication from the IBM International Technical Support Organization helps...

Страница 22: ...center The publications center is a worldwide central repository for IBM product publications and marketing material The IBM publications center offers customized search functions to help you find th...

Страница 23: ...tp www storage ibm com software sms sdm SAN fibre channel switches http www ibm com storage fcswitch Storage Area Network Gateway and Router http www 1 ibm com servers storage support san index html S...

Страница 24: ...Department 61C 9032 South Rita Road TUCSON AZ 85775 4401 xxii DS8000 User s Guide...

Страница 25: ...tion FlashCopy information was added to explain how to set up a Remote FlashCopy operation which allows a source volume of a remote mirror and copy volume pair on a source local storage unit to be sen...

Страница 26: ...xxiv DS8000 User s Guide...

Страница 27: ...interfaces v DS8000 series hardware specifics v Supported systems for open systems S 390 and zSeries hosts v Data management elements v Copy Services v Data migration DS8000 models The DS8000 series o...

Страница 28: ...configuration copy services management and maintenance activities 4 All base models contain two processor enclosures The processor enclosures contain the computer electronic complex CEC The Model 921...

Страница 29: ...del can hold 256 disk drives 3 Expansion models can contain I O enclosures and adapters if they are the first expansion units that are attached to either a Model 922 or a Model 9A2 The second expansio...

Страница 30: ...ld when you order a model conversion to a Model 922 or Model 9A2 Figure 3 shows the maximum configuration of a Model 921 which is the 921 base model plus one 92E expansion model Fans Plenum Fan Sense...

Страница 31: ...2 Both of these models can attach up to two expansion models Model 922 uses the 92E expansion model Model 9A2 uses the 9AE expansion model Model comparison DS8000 models vary on the processor types th...

Страница 32: ...84 disks maximum capacity of 115 2 TB Up to 256 GB Up to 32 host adapters With 2 expansion models 92E 4 way Up to 640 disks maximum capacity of 192 TB Up to 256 GB Up to 32 host adapters Model 9A2 2 i...

Страница 33: ...een casters 7 Depth of frame without covers 8 Depth of frame with covers 9 Minimum dimension between casters and outside edges of frames 84 7 33 3 64 5 25 4 5 1 2 0 58 9 23 2 76 2 30 0 45 7 18 0 34 8...

Страница 34: ...ports further increasing your ability to share your disk storage IBM Standby Capacity on Demand The IBM Standby Capacity on Demand Standby CoD offering allows the installation of inactive disk drives...

Страница 35: ...s a full function command set that allows you to check your storage unit configuration and perform specific application functions when necessary The following list highlights a few of the specific typ...

Страница 36: ...ocessor complex and the rack power control card The storage unit also has redundant fibre switches with fibre fabric connections to both processor complexes The entire power system at all levels is fu...

Страница 37: ...internal management console v Internal a second management console that resides within a second 2107 This console can be cabled together with the primary internal management console of the first 2107...

Страница 38: ...re channel ports Fibre channel SCSI FCP attached open systems hosts that the storage unit supports You can attach the DS8000 storage unit to fibre channel SCSI FCP attached open systems hosts Each sto...

Страница 39: ...ON attached S 390 and zSeries hosts With ESCON adapters the storage unit provides the following configurations v A maximum of 32 host ports for DS8100 Model 921 and a maximum of 64 host ports for DS83...

Страница 40: ...unit provides the following configurations v Either fabric or point to point topologies v A maximum of 64 host ports for DS8100 Model 921 and a maximum of 128 host ports for DS8300 Models 922 and 9A2...

Страница 41: ...and RAID 10 RAID 5 RAID 5 is a method of spreading volume data plus data parity across multiple disk drives RAID 5 increases performance by supporting concurrent accesses to the multiple DDMs within e...

Страница 42: ...e Metro Mirror previously known as Synchronous PPRC IBM TotalStorage Global Copy previously known as PPRC Extended Distance IBM TotalStorage Global Mirror previously known as Asynchronous PPRC v z OS...

Страница 43: ...between the local and remote sites with the distance typically limited only by the capabilities of the network and the channel extension technology This unlimited distance enables you to choose your r...

Страница 44: ...function 2244 Model RMC for both the primary and secondary storage units FlashCopy The IBM TotalStorage FlashCopy feature provides a point in time copy capability for logical volumes FlashCopy create...

Страница 45: ...ime copies at a local site and then use remote mirroring commands to copy the data to the remote site This feature is represented by the Establish target on existing Metro Mirror source selection in t...

Страница 46: ...e unit at the recovery site Global Mirror operates over high speed Fibre Channel communication links and is designed to maintain a consistent and restartable copy of data at a recovery site that can b...

Страница 47: ...ystem image for S 390 or zSeries hosts An S 390 with PAV software support enables multiple users and jobs to simultaneously access a logical volume Read and write operations can be accessed simultaneo...

Страница 48: ...e IBM TotalStorage Global Mirror Remote Mirror and Copy when available Is it z OS You will probably use DFDSS though there are many choices Is it VM You might use DASD Dump Restore or PTAPE Is it VSE...

Страница 49: ...se during production without disturbing users v The AIX logical volume manager LVM provides methods that you can use at any time without disrupting user access to the data You might notice a small per...

Страница 50: ...24 DS8000 User s Guide...

Страница 51: ...Red Hat Enterprise Linux 2 1 Note The DS8000 Storage Manager is not supported on any Windows 64 bit operating system Note Animations must be turned on in your browser if you want to observe the insta...

Страница 52: ...ling the IBM TotalStorage DS Storage Manager on the Windows operating system using the graphical mode Use the following steps to install the IBM TotalStorage DS Storage Manager in your Windows environ...

Страница 53: ...ese installation instructions User s guide Provides specific installation instructions DS8000 Storage Manager Web site Provides information from the product Web site Installation wizard Starts the IBM...

Страница 54: ...ng Java tm Virtual Machine The Welcome window of the IBM TotalStorage DS Storage Manager installation program displays if no problems are discovered during the initial system check If an error is disc...

Страница 55: ...of the agreement If you accept the Next button is highlighted Click Next to continue or click Cancel to exit the installation When you click Next the Destination Directory window is displayed Destina...

Страница 56: ...ameters window The DS Storage Manager Server Installation Checking window is displayed if the DS Storage Manager server is already installed on your system A message is displayed on the window that in...

Страница 57: ...The specified value for the host name is stored by WebSphere Application Server into its internal configuration files If you specified the host name in the fully qualified form or the short host name...

Страница 58: ...y another application 11 Click Next after you have ensured that all the input fields on the Server Parameters window are complete The SSL Configuration window is displayed This window allows you to su...

Страница 59: ...and to generate others The default is NO which means keep the existing application server certificates Windows Generate Self Signed Certificate window 14 Complete each of the input fields with the req...

Страница 60: ...t The Installation Confirmation window is displayed This window displays both the location where the product will be installed and the total size needed for the installation Windows Installation Confi...

Страница 61: ...ion Progress displaying the installation or upgrade progress of the DS Storage Manager product applications is displayed after the servers have been installed or upgraded Note You can click Cancel not...

Страница 62: ...correct these errors v If the error is due to a system problem correct it and reinstall the DS8000 Storage manager using either the interactive or silent mode of installation v If the error is due to...

Страница 63: ...CD into the CD ROM drive If the interactive mode starts click the Exit selection on the LaunchPad window to exit 3 Locate the response file responsefile txt in the root directory of your CD and copy i...

Страница 64: ...example responsefile rsp or responsefile txt 7 Wait for the installation program to install the product This can take 5 10 minutes Note During this processing the installation process checks to see if...

Страница 65: ...sefile txt silent IBM TotalStorage DS8000 Storage Manager Install Location The install location of the product Specify a valid directory into which the product should be installed If the directory con...

Страница 66: ...isting port assignments on the system W wasExpressConfig helpPort 8455 User Input Field certificateOption Select one of the following options concerning the SSL certificates Legal values are generate...

Страница 67: ...rtificate within the keystore file If you have only one certificate in each keystore file you can assign any value to the label However it is good practice to use a unique label related to the server...

Страница 68: ...list of currently installed programs and click the listing for IBM TotalStorage DS8000 Storage Manager 3 Click the Change Remove button and the Welcome window for the Uninstaller is displayed Uninstal...

Страница 69: ...because they are in use by another process If a locked file has been detected you can perform the following a From Windows services set the IBM WebSphere Application Server V5 DS Storage Manager and I...

Страница 70: ...the DS Storage Manager to the latest level using the graphical mode for a Windows operating system You must have the latest DS Storage Manager CD ROM or you must download the latest version from the...

Страница 71: ...te Installation wizard Starts the IBM TotalStorage DS Storage Manager installation program Post installation tasks Provides information about configuring the IBM TotalStorage DS Storage Manager Exit E...

Страница 72: ...DS Storage Manager upgrade program displays if no problems are discovered during the initial system check If an error is discovered for example the operating system does not match the prerequisite an...

Страница 73: ...he agreement If you accept the Next button is highlighted Click Next to continue or click Cancel to exit the upgrade process When you click Next the Product Version check window is displayed f2c00371...

Страница 74: ...tion Checking window 9 Observe the information that is displayed on the DS Storage Manager Server Installation Checking window regarding the version of the DS Storage Manager Server that is already in...

Страница 75: ...his window displays both the location where the product will be installed and the total size that is required for the installation Windows Installation Confirmation window 11 Click the Install button...

Страница 76: ...not reinstalled upon reactivation of the installation process A confirmation message is displayed asking you to affirm that you want to cancel the installation c The Components Installation Progress...

Страница 77: ...ractive or silent mode of installation v If the error is due to a wrong installation parameter value restart the installation using the steps that are described in this procedure or the steps that are...

Страница 78: ...drive If the interactive mode starts click the Exit selection on the LaunchPad window to exit 3 Type the following command at the command prompt and press the Enter key to start the upgrade process i...

Страница 79: ...e installation process normally use the Windows application Cancel button Perform the following steps to install the IBM TotalStorage DS Storage Manager 1 Log on as a user with root authority 2 Create...

Страница 80: ...nager DS8000 Storage Manager Web site Provides information from the product Web site Installation wizard Starts the IBM TotalStorage DS Storage Manager installation program Post installation tasks Pro...

Страница 81: ...d There might be a slight delay while the software loads on your system After the software loads a Command prompt window opens to display the following message Initializing InstallShield Wizard Prepar...

Страница 82: ...ou accept the Next button is highlighted Click Next to continue or click Cancel to exit the installation When you click Next the Destination Directory window is displayed Destination Directory window...

Страница 83: ...he DS Storage Manager server is already installed on your system A message is displayed on the window that indicates which version of the server is installed and whether the installation process insta...

Страница 84: ...y WebSphere Application Server into its internal configuration files If you specified the host name in the fully qualified form or the short host name string do not change the host name after the DS S...

Страница 85: ...pplication 14 Click Next when the Server Parameters window is complete The SSL Configuration window is displayed This window allows you to supply the fully qualified name of the two server key that ar...

Страница 86: ...lete existing application server certificates if they exist on the location and to generate others The default is NO which means that you want to keep the existing application server certificates Linu...

Страница 87: ...e installation 18 Click Next The Installation Confirmation window is displayed This window displays both the location where the product will be installed and the total size that is needed for the inst...

Страница 88: ...upgrade progress of the DS Storage Manager product applications is displayed after the servers have been installed or upgraded Note You can click Cancel not recommended during the components installa...

Страница 89: ...and insert the correct values Then finish the installation 22 Check the postinstallation instructions after the installation has completed The postinstallation txt file is displayed immediately after...

Страница 90: ...ge the current directory to the mount point for the CD ROM drive For example if the CD was mounted at the mnt cdrom mount point type the following command cd mnt cdrom 6 Read the README txt file locat...

Страница 91: ...led and if they are the current version or need to be upgraded If they are already installed and need to be upgraded the installation process performs this function using the already set values from t...

Страница 92: ...izard options responsefile txt silent IBM TotalStorage DS8000 Storage Manager Install Location The install location of the product Specify a valid directory into which the product should be installed...

Страница 93: ...assignments on the system W wasExpressConfig helpPort 8455 User Input Field certificateOption Select one of the following options concerning the SSL certificates Legal values are generate the default...

Страница 94: ...y the certificate within the keystore file If you have only one certificate in each keystore file you can assign any value to the label However it is good practice to use a unique label related to the...

Страница 95: ...ptional However commercial CAs might require them W CertificateParams localityName User Input Field state The state or province if applicable For a self signed certificate these fields are optional Ho...

Страница 96: ..._uninst subdirectory of dest_path dest_path is the path where the IBM TotalStorage DS Storage Manager is installed If you used the default path it is opt IBM DS8000StorageManager The Uninstaller Welc...

Страница 97: ...the system and if not used removes it from the system Otherwise the DS Network Interface Server is not removed from your system When the uninstall process is finished the Uninstaller Finish window is...

Страница 98: ...for you to mount the CD in this drive perform the following steps a Insert the CD in the CD ROM drive b Type the following command at the command prompt mount o ro dev cdrom mnt cdrom 4 Choose the des...

Страница 99: ...Installation wizard Starts the IBM TotalStorage DS Storage Manager upgrade program Post installation tasks Provides information about configuring the IBM TotalStorage DS Storage Manager Exit Exits the...

Страница 100: ...e the software loads on your system After the software loads a Command prompt window opens to display the following message Initializing InstallShield Wizard Preparing Java tm Virtual Machine The Welc...

Страница 101: ...greement If you accept the Next button is highlighted Click Next to continue or click Cancel to exit the upgrade process When you click Next the Product Version Check window is displayed f2c00375 Prod...

Страница 102: ...n Checking window 12 Observe the information that is displayed on the Linux DS Storage Manager Server Installation Checking window regarding the version of the DS Storage Manager Server that is alread...

Страница 103: ...This window displays both the location where the product will be installed and the total size that is required for the upgrade Linux Installation Confirmation window 14 Click the Install button on th...

Страница 104: ...stallation process A confirmation message is displayed asking you to confirm that you want to cancel the installation c The Components Installation Progress displaying the installation or upgrade prog...

Страница 105: ...he correct values Then finish the upgrade 17 Check the postinstallation instructions after the installation has completed The postinstallation txt file is displayed immediately after the installation...

Страница 106: ...was mounted at the mnt cdrom mount point type the following command cd mnt cdrom 5 Read the README txt file that is located on the DS8000 Storage Manager CD to check for information that might superse...

Страница 107: ...Unless otherwise noted these browsers work with the DS Storage Manager installed on the Windows operating system Stop and start the DS Storage Manager Servers The IBM TotalStorage DS Storage Manager s...

Страница 108: ...s different depending on whether you have a Windows or Linux operating system Starting the DS8000 Storage Manager on a Windows operating system You can open the DS8000 Storage Manager using the Progra...

Страница 109: ...e help is displayed in another window along with access to an Information Center that contains information about the DS8000 Consider the following items as first steps in the use of either of these co...

Страница 110: ...e a machine IML Model 921 and Model 922 or reboot of the affected image Model 9A2 v Removal of a DS8000 licensed function to deactivate the function v A lateral change or reduction in the license scop...

Страница 111: ...2107 record you must assign it to the 2107 record in the DSFA application In this situation you will need the 2244 serial number which you can find on the License Function Authorization document Appl...

Страница 112: ...he activation codes 2 Click Apply then OK to complete the process Importing activation codes Use this process to import the activation codes that must be applied before you can begin configuring stora...

Страница 113: ...When logging onto the Management Console the customer initially uses the management console predefined user ID customer and password cust0mer After logging in the first time the customer can choose to...

Страница 114: ...r last position of the password v The new password nullifies the use of the predefined password Thus if you forget your new password you must contact your IBM service representative to have the passwo...

Страница 115: ...is displayed with the words Net and Browser 4 Click Browser The Web Browser is started with no address bar and a Web page titled WELCOME TO THE DS8000MANAGEMENT CONSOLE is displayed 5 Click the link...

Страница 116: ...90 DS8000 User s Guide...

Страница 117: ...haracters 3 Specify the user account password This entry is displayed as asterisks Passwords must meet the following criteria v Passwords must contain at least 5 alphabetic characters and at least one...

Страница 118: ...select the user ID to remove 2 Select Delete in the Select Action drop down box Then click Go A confirmation message is displayed 3 Click Ok The user ID is removed immediately Unlocking a user account...

Страница 119: ...y recovery utility tool to unlock the Admin account The topic Unlocking a user account describes how to unlock a nonadministrative user account v The security recovery utility tool is a script that is...

Страница 120: ...94 DS8000 User s Guide...

Страница 121: ...associated with the same storage system logical partition v Each storage system logical partition can have 255 logical subsystems LSSs with LSS IDs 0 254 DS8300 LPAR implementation The DS8300 Model 9...

Страница 122: ...The Hardware Management Console HMC manages the resource allocation on a pSeries between LPARs However the DS8300 comes preconfigured with all required LPAR resources assigned to either storage image...

Страница 123: ...memory limit depends on the total amount of available memory in the whole system The following memory allocations per storage image are available v 32 GB 16 GB per processor complex 16 GB per storage...

Страница 124: ...e image is assigned to one dedicated RIO G loop if an image is offline its RIO G loop is not available v All I O enclosures on a given RIO G loop are dedicated to the image that owns the RIO G loop v...

Страница 125: ...TotalStorage Point in time copy previously known as FlashCopy v Remote Mirror and Copy previously known as Peer to Peer Remote Mirror PPRC IBM TotalStorage Metro Mirror previously known as Synchronou...

Страница 126: ...rovides an alternate path to the base device For example a 3380 or a 3390 with one alias has only one device to write to but can use two paths The storage unit supports concurrent or parallel data tra...

Страница 127: ...s are bases and aliases and which are associated with each other The VM and z VM operating systems support PAVs for guest usage An IOCP example The following is an IOCP example that defines ESCON and...

Страница 128: ...UMBR 7002 STADET Y UNIT 3390B IODEVICE ADDRESS 9240 192 CUNUMBR 7002 STADET Y UNIT 3390A DEFINE 2107 9A2 LOGICAL CONTROL UNIT 3 CNTLUNIT CUNUMBR 7003 PATH 70 71 72 73 UNITADD 00 256 LINK 24 2D 34 3D C...

Страница 129: ...with the appropriate devices using the following guidelines v Three device types are possible for 3380 3380 3380B and 3380A v Three device types are possible for 3390 3390 3390B and 3390A v Any non PA...

Страница 130: ...e number of 3390s that are formatted within an LSS perform the following 1 Define an input output definition file IODF using HCD with the desired device addresses 2 Remove the parallel access volumes...

Страница 131: ...lume the target volume continues to be updated with changes from the source volume until you remove the relationship between the volumes The following functions of remote mirror and copy are available...

Страница 132: ...cations quickly and more importantly to access your data This means that you must be able to restart your critical applications at a backup site Disasters often occur over a period of time This type o...

Страница 133: ...ame and password that was created with the ESS Specialist for the 2105 Copy Services domain for which you will be working must match the user name and password on the management console that is connec...

Страница 134: ...ices domain a To add a connection for the 2105 Copy Services domain expand the Manage Hardware section click Storage Complexes and click Add 2105 Copy Services Domain and click Go b Add the IP address...

Страница 135: ...s click Metro Mirror 2 Select the 2105 Copy Services domain from the list of storage complexes This option is enabled if you included a Copy Services domain for the 2105 when you selected Storage Comp...

Страница 136: ...erwise click Finish to complete the process FlashCopy The FlashCopy function enables you to make point in time full volume copies of data with the copies immediately available for read or write access...

Страница 137: ...volumes at the same time Persistent FlashCopy Allows the FlashCopy relationship to remain even after the FlashCopy operation completes You must explicitly delete the relationship Refresh target volum...

Страница 138: ...ote site usingMetro Mirror You can create a full volume or incremental point in time copy to an existing Metro Mirror source volume The first time that you create a FlashCopy operation the entire Metr...

Страница 139: ...ationship is established you can copy volume A to volume C Once that relationship is established you can copy volume A to volume D and so on Multiple sessions within a single volume are also possible...

Страница 140: ...r the background copy has completed This function reduces the background copy completion time because only a subset of data is copied when either the source or target volume has changed The target vol...

Страница 141: ...volume C both from the target site However you cannot use the DS Storage Manager for this step because connections to the target site are lost Assume that you performed Step 1 and Step 2 from the DS S...

Страница 142: ...que With FCP a single fibre channel link between two ports enables bi directional remote mirror and copy operations This means that it is possible to send and receive data in both directions simultane...

Страница 143: ...al site is asynchronously shadowed to the storage unit at the remote site A consistent copy of the data is then automatically maintained on the storage unit at the remote site IBM TotalStorage Metro M...

Страница 144: ...get volume The storage unit updates the target tracks with the current information for that track regardless of the number of updates between the time that it was last copied the current time and the...

Страница 145: ...each LSS in the enterprise that has or might have volumes that will participate in the Global Mirror consistency group that is associated with the specific session ID Control path The control path is...

Страница 146: ...hich means that a consistency group starts forming as soon as the previous consistency group has been formed Maximum coordination interval Indicates the maximum time in milliseconds that the master st...

Страница 147: ...rror is a function of the remote mirror and copy feature that constantly updates a secondary copy of a volume to match changes made to a source volume With Metro Mirror copying the source and target v...

Страница 148: ...d I O to all duplex remote mirror and copy volumes on LSS pairs will be queued either until a consistency group created operation is run or the consistency group timeout time expires allowing external...

Страница 149: ...fter a disaster or a scheduled maintenance period There are times both planned and unplanned when it is necessary to suspend disk mirroring and to make use of the secondary storage unit in your config...

Страница 150: ...ns allow you to create a point in time copy or to mirror data at your remote or recovery site as applications make changes to the source volumes at your production site z OS Copy Services includes the...

Страница 151: ...r to mirror data at a production site to a location that is a long distance away This function also uses Metro Mirror to mirror data from the same primary devices at the production site to a location...

Страница 152: ...126 DS8000 User s Guide...

Страница 153: ...SE ESA UNIX and TPF1 v TRU64 UNIX v Windows 2000 Server and Advanced Server with SP4 v Windows 2003 v Windows XP with SP1 v Linux for Intel Data migration is a service offered through IBM Global Servi...

Страница 154: ...and distribution of data does not have to be a straight one to one relationship although that is possible For instance you can take advantage of using a maximum of 255 logical subsystems whereas the...

Страница 155: ...400 and iSeries host systems use eight bytes at the start of the sector UNIX host systems do not use these eight bytes when you attach them to the storage unit The data portion of the sector remains a...

Страница 156: ...t need to migrate all the data from a physical volume Using mirroring to migrate data Use the following information as guide for how to use the mirroring function of logical volume manager LVM to migr...

Страница 157: ...as previously stored there As the data is physically moved the target physical volume must have enough spare physical volumes to accommodate data from the source physical volumes After this command co...

Страница 158: ...boot LV NAME TYPE Ps PPs PVs LV STATE MOUNT POINT hd5 boot 1 1 1 closed syncd N A To determine if the boot image is on the disk that you want to migrate run the lslv l command The following example d...

Страница 159: ...and restore if it does not have any specific tools for moving data Using backup and restore methods to migrate data Use the following information as a guide for how to use the backup and restore metho...

Страница 160: ...mat If you have an existing disk subsystem that you are replacing with a DS8000 you must migrate the data to the DS8000 Use your existing host utilities for the data migration You can select from seve...

Страница 161: ...s from any device types that VM supports to any other type v COPYFILE A CMS command used to copy files or minidisks between devices with the same or different track modes v PTAPE A Control Program CP...

Страница 162: ...elevant configuration data on the new logical volume and file system 4 Issue the fsck command to run the file system integrity checker to ensure data consistency within the new logical volumes The mig...

Страница 163: ...abases require that you export the data before you move it between file systems or logical volumes You must then import the data on to the new file system or logical volume You might have to reconfigu...

Страница 164: ...ish all necessary volume pairs between the Site A storage units and the Site B storage units You can use either Global Copy or IBM TotalStorage Metro Mirror If you use Global Copy convert the pairs to...

Страница 165: ...y volumes are in duplex state at a point in time 5 Issue database commands or file system commands to flush host buffers to disk and quiesce the database or the file system 6 Invoke FlashCopy for all...

Страница 166: ...140 DS8000 User s Guide...

Страница 167: ...With Global Mirror the data that the host writes to the storage unit at the production site is asynchronously shadowed to the storage unit at the recovery site Global Mirror operates over high speed...

Страница 168: ...on has processed successfully the volumes at Site B transition from target to source volumes 3 Depending on your path design and when the source storage unit becomes available create paths in the oppo...

Страница 169: ...e B1 Volume A1 Volume B1 Volume A1 3b prepare to return to production Site A from production Site B Failover Site A Volume A Volume B Volume A1 Volume B1 Volume A1 Volume B1 Volume B1 Volume A1 Suspen...

Страница 170: ...form a failback operation at Site B As a result data that has been modified at Site B for the specified volumes will be sent from Site B to Site A Data that was modified at Site A after the switch to...

Страница 171: ...eps using the DS Storage Manager You can also use the DS CLI to perform Copy Services functions 1 Perform a failover recovery operation to Site B After the failover operation has processed successfull...

Страница 172: ...me A Volume B1 Volume A1 Volume B1 Volume A1 Volume B1 Volume A1 3b prepare to return to production Site A from production Site B Failover Site A Volume A Volume B Volume A1 Volume B1 Volume A1 Volume...

Страница 173: ...irror One of the first things the administrator of the site must do to use Global Mirror is determine the elements that are involved in the Global Mirror process This includes the following v The stor...

Страница 174: ...te Do not select the Initiate background copy option so that data will only be copied from the source volume to the target volume if a track on the source volume is modified 5 Create your Global Mirro...

Страница 175: ...0 Start the host I O at the remote site on the B volumes You will remain in production on the remote site in this configuration until you are ready to return production to the local site 11 When you a...

Страница 176: ...ls on individuals tasks see the related topics section 1 Enter the Global Mirror session at the local site Note Wait until the master storage unit completes the termination processing or enters the fa...

Страница 177: ...erse restore procedure instead of this step 5 Wait for the background copy to complete before continuing to the next step The C to B FlashCopy relationship ends when the background copy completes 6 In...

Страница 178: ...ons 1 Create a FlashCopy target on the existing Metro Mirror source by choosing the FlashCopy target and a source Metro Mirror 2 Select the Fast Reverse restore option FlashCopy copies the partial dat...

Страница 179: ...nd zSeries systems Service information messages SIMs are generated by a storage unit for S 390 and zSeries hosts Before installation you can use the customization work sheets to record the following s...

Страница 180: ...it generates the following generic trap 6 product specific alert traps 1 2 3 100 101 102 200 202 210 211 213 214 215 216 217 Specific information provided for trap 6 alert trap 1 Each generic trap 6 p...

Страница 181: ...the processing associated with your storage unit Hardware problems The storage unit is capable of remote error notification and remote support for those machines that are under warranty or a maintenan...

Страница 182: ...ages from the storage unit Managing the storage unit error messages The storage unit generates error messages when it detects a situation that requires customer action This section describes the type...

Страница 183: ...te and time when the failure first occurred Last occurrence The date and time the last occurrence was noted Failure count The number of times that this failure occurred Presentation interval The time...

Страница 184: ...158 DS8000 User s Guide...

Страница 185: ...f the mouse Navigating by keyboard You can use keys or key combinations to perform operations and initiate menu actions that can also be done through mouse actions You can navigate the IBM TotalStorag...

Страница 186: ...160 DS8000 User s Guide...

Страница 187: ...ES OF NON INFRINGEMENT MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE Some states do not allow disclaimer of express or implied warranties in certain transactions therefore this statement may not...

Страница 188: ...use provided that all proprietary notices are preserved You may not distribute display or make derivative works of this information or any portion thereof without the express consent of the manufactur...

Страница 189: ...ESCON v FICON v FlashCopy v HACMP v IBM v Intellistation v MVS ESA v Netfinity v NetVista v Operating System 400 v OS 400 v RS 6000 v S 390 v Seascape v SNAP SHOT v SP v System 390 v TotalStorage v Ve...

Страница 190: ...le for any radio or television interference caused by using other than recommended cables and connectors or by unauthorized changes or modifications to this equipment Unauthorized changes or modificat...

Страница 191: ...rfahren ist nach Paragraph 9 EMVG in Verbindung mit der entsprechenden Kostenverordnung Amtsblatt 14 93 kostenpflichtig Nach der EN 55022 Dies ist eine Einrichtung der Klasse A Diese Einrichtung kann...

Страница 192: ...Taiwan class A compliance statement VS07171L 166 DS8000 User s Guide...

Страница 193: ...of the term contains the full definition v A synonym or more preferred term See also Refers the reader to one or more related terms Contrast with Refers the reader to a term that has an opposite or su...

Страница 194: ...dapters between the storage unit and hosts but are not completely defined to the storage unit See also anonymous host pseudo host and access any mode anonymous host Synonym for pseudo host Contrast wi...

Страница 195: ...In addition to residing in cache memory the same data also resides on the storage devices in the storage unit cache miss An event that occurs when a read operation is sent to the cluster but the data...

Страница 196: ...interface compact disc An optically read disc typically storing approximately 660 MB CD ROM compact disc read only memory refers to the read only format used to distribute DS8000 code and documentatio...

Страница 197: ...t Each image appears as an independent control unit but all control unit images share a common set of hardware facilities The DS8000 can emulate 3990 3 TPF 3990 6 or 2105 control units control unit in...

Страница 198: ...t key data CKD format that is not a standard volume which means that it does not necessarily present the same number of cylinders and capacity to its assigned logical control unit as provided by one o...

Страница 199: ...or higher priority to an offline or lower priority device The storage unit stages incoming data into cache and then destages it to disk device For zSeries a disk drive device adapter DA A physical com...

Страница 200: ...A convention used to identify IP addresses The notation consists of four 8 bit numbers written in base 10 For example 9 113 76 250 is an IP address that contains the octets 9 113 76 and 250 drawer A u...

Страница 201: ...provides the error information for the ERDS error recovery procedure ERP Procedures designed to help isolate and where possible to recover from errors in equipment The procedures are often used in con...

Страница 202: ...transmission architecture based on the ANSI Fibre Channel standard which supports full duplex communication The DS8000 supports data transmission over fiber optic cable through its fibre channel adapt...

Страница 203: ...hCopy An optional feature of the DS8000 that can make an instant copy of data that is a point in time copy of a volume FlashCopy relationship A mapping of a FlashCopy source volume and a FlashCopy tar...

Страница 204: ...nformation as feature code information and product logical configuration information hierarchical storage management 1 A function in storage management software such as Tivoli Storage Management or Da...

Страница 205: ...ly of storage servers and attached storage devices disk drive modules The DS8000 delivers high performance fault tolerant storage and management of enterprise data affording access through multiple co...

Страница 206: ...physical network The upper layer supports one or more logical protocols for example a SCSI command protocol and a zSeries command protocol Refer to ANSI X3 230 199x The IP acronym is the IP in TCP IP...

Страница 207: ...sell as part of a machine but licenses to the customer LMC is implemented in a part of storage that is not addressable by user programs Some IBM products use it to implement functions as an alternate...

Страница 208: ...ogical subsystems 4096 fixed block logical devices The logical subsystem facilitates configuration of the DS8000 and might have other implications relative to the operation of certain functions There...

Страница 209: ...only one Global Mirror session Contrast with subordinate storage unit maximum consistency group drain time The value in seconds that indicates the maximum time that writes from the local site are dela...

Страница 210: ...ccur before a specified elapsed time is exceeded MLC See machine level control mobile solutions terminal MoST The mobile terminal used by service personnel mode conditioning patch cable A cable that c...

Страница 211: ...al equipment manufacturer s information open system A system whose characteristics comply with standards made available throughout the industry and that therefore can be connected to other systems com...

Страница 212: ...DS8000 through cabling and switches to a host adapter on anotherDS8000 pinned data Data that is held in cache until either an error condition is corrected and it can be moved to disk storage or until...

Страница 213: ...udo host The DS8000 adds a pseudo host icon only when it is set to access any mode See also access any mode PTF See program temporary fix PV Links Short for Physical Volume Links an alternate pathing...

Страница 214: ...d to the device Access is over the set of channel paths that are associated with the allegiance access is for one or more channel programs until the allegiance ends RETAIN See remote technical assista...

Страница 215: ...t by a storage server to service personnel through an zSeries operating system service personnel A generalization referring to individuals or companies authorized to service the DS8000 The terms servi...

Страница 216: ...evice One of the devices in a dual copy or remote copy volume pair All channel commands to the logical volume are directed to the source device The data on the source device is duplicated on the targe...

Страница 217: ...me cases replace additional management variables in the local MIB thereby providing a means of extending the range of information that network managers can access See also agent subchannel A logical f...

Страница 218: ...eractive time sharing from remote terminals TotalStorage See IBM TotalStorage TPF See transaction processing facility track A unit of storage on a CKD device that can be formatted to contain a number...

Страница 219: ...use of that user but whose functions are accomplished by sharing the resources of a shared data processing system An alternate name for the VM 370 IBM operating system vital product data VPD Informat...

Страница 220: ...nd 9672 family of servers See also iSeries z OS An operating system for the IBM e logo server product line that supports 64 bit real storage z OS Global Mirror A function of a storage server that assi...

Страница 221: ...r using a 2105 108 CU control unit 100 D data migration associated with physical volumes 131 backup and restore 137 backup and restore methods 133 between storage servers 138 copying a logical volume...

Страница 222: ...on of 111 incremental 110 multiple relationships 113 overview 18 110 FlashCopy continued persistent overview 113 refresh target volume 114 G Global Copy overview 117 Global Mirror description 118 disa...

Страница 223: ...tiple relationship FlashCopy 113 O obtaining activation codes 84 open systems hosts fibre channel 12 optional features codes copy services 99 optional features codes continued Parallel Access Volumes...

Страница 224: ...ric SNMP trap messages 153 informational messages 156 problem states 154 product specific error messages 154 service information messages 153 storage unit error messages 156 U uninstall DS storage man...

Страница 225: ...y Satisfied Satisfied Neutral Dissatisfied Very Dissatisfied Accurate h h h h h Complete h h h h h Easy to find h h h h h Easy to understand h h h h h Well organized h h h h h Applicable to your tasks...

Страница 226: ...elopment Department 61C 9032 South Rita Road Tucson Arizona 85775 4401 _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _...

Страница 227: ......

Страница 228: ...Printed in USA SC26 7623 03...

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