IBM DS6000 manuály

Ibm DS6000 Uživatelský manuál (578 strany)

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IBM System Storage DS6000

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Series: Copy Services with

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IBM System z

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December 2006

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Third Edition (December 2006)

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Contents

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Contents v

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Contents vii

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Contents ix

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Contents xi

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Contents xiii

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Trademarks

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Acknowledgements

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Become a published author

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Comments welcome

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Summary of changes

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Overview

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Introduction

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Point-in-Time Copy and

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Chapter 1. Introduction 5

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Copy Services architecture

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DS6000 SFI

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DS8000 SFI

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Storage

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Complex 1

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Complex 2

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DS8000 management structure

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Client 1

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Client 2

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Interfaces

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3.2 Installation modes

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http://10.0.0.1, you will

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10.0.0.1

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Management

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10.0.0.100

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DS Command-Line Interface

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4.3 User accounts

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4.4 DS CLI profile

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4.5 Command structure

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4.6 Copy Services commands

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Table 4-3 Creation commands

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Table 4-4 Deletion commands

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Table 4-5 Options commands

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4.7.1 Single-shot mode

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4.7.2 Script command mode

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4.7.3 Interactive mode

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4.8 Return codes

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4.9 User assistance

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4.10 Usage examples

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System z interfaces

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5.1 System z interfaces

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5.2 TSO

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5.3 ICKDSF

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5.4 DFSMSdss

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5.5 The ANTRQST macro

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5.6 z/TPF commands

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FlashCopy overview

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6.1 Operational environments

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6.2 Terminology

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6.3 Basic concepts

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Writing to the source and

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Writing to the target

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6.3.1 Full volume copy

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6.3.2 Nocopy option

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FlashCopy options

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7.5 Remote FlashCopy

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7.6 Persistent FlashCopy

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7.7 Data set FlashCopy

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7.8 Reverse restore

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7.9 Fast reverse restore

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7.10 Options and interfaces

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Function

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FlashCopy ordering and

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8.1 Ordering FlashCopy

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8.2 Activating FlashCopy

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License value

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Deactivation

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8.2.2 Activation

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FlashCopy interfaces

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9.3 z/OS-provided interfaces

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=========

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0000:0100

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0001:0101

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can be incremented. To

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. Identify the

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Reverse

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. Identify the DS6000

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9.6.5 Resynchronize target

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Full volume FlashCopy

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Data set FlashCopy

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Consistency Group FlashCopy

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Incremental FlashCopy

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Full volume background copy

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FlashCopy NOCOPY option

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Inband FlashCopy

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FlashCopy performance

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Terminology

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10.1.3 Rank geometry

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10.1.4 Incremental FlashCopy

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10.6 FlashCopy scenarios

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FlashCopy examples

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11.1.1 One-time test system

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11.2 Create a backup

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Metro Mirror

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Metro Mirror overview

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12.1 Metro Mirror overview

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12.3 Data consistency

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12.4 Rolling disaster

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Metro Mirror options and

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13.2 Failover and failback

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Consistency Group option

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Application

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13.3.4 Critical attribute

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13.4.1 Fibre Channel links

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13.4.2 Logical paths

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13.5 Bandwidth

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13.6 LSS design

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DS6000 #1 DS6000 #2

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13.10 Hardware requirements

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Metro Mirror interfaces

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14.2.1 Commands overview

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14.2.2 CESTPAIR

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14.2.3 CESTPATH

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14.2.4 CDELPAIR

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14.2.5 CDELPATH

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14.2.6 CGROUP

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14.2.7 CQUERY

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14.2.8 CRECOVER

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14.3 ICKDSF

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14.3.3 PPRCOPY DELPAIR

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14.3.4 PPRCOPY DELPATH

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14.3.5 PPRCOPY ESTPATH

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14.3.6 PPRCOPY ESTPAIR

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14.3.7 PPRCOPY FREEZE

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14.3.8 PPRCOPY QUERY

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14.3.9 PPRCOPY RECOVER

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14.3.10 PPRCOPY SUSPEND

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14.3.11 PPRCOPY RUN

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14.3.12 Refreshing the VTOC

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14.6 DS Storage Manager GUI

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Next, the panel shown in

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14.7 ANTRQST API

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Metro Mirror performance and

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15.1 Performance

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15.2 Scalability

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Metro Mirror examples

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Resynchronize the pair

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16.2.1 Failover process

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Syslog messages

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16.2.2 Failback process

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Establish a volume pair

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51% of tracks copied so far

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Global Copy

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Global Copy overview

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Figure 17-1 Global Copy

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Copy Pending

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Full Duplex

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Global Copy options and

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18.2 Catch-up transition

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Secondary Site

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Primary Site

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18.5 Hardware requirements

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18.6 DS6800 I/O ports

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I0100 I0101 I0102 I0103

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I0000 I0001 I0002 I0003

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18.7.1 Fibre Channel links

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18.8 Distance considerations

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Global Copy performance and

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19.1 Performance

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19.2 Scalability

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Global Copy interfaces

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20.2.2 CESTPAIR

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20.2.3 CESTPATH

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20.2.4 CDELPAIR

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20.2.5 CDELPATH

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20.2.6 CGROUP

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20.2.7 CQUERY

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20.2.8 CRECOVER

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20.2.9 CSUSPEND

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DS CLI supported environments

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20.5 DS Storage Manager

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20.5.2 Metro Mirror panel

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Global Copy examples

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FC Switch

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I0000 I0100 I0000 I0100

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21.2.2 Cascading alternative

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Global Mirror overview

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SecondaryPrimary

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Subsystem

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Database

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Summary

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Remote site

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Local site

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22.3.4 Introduce FlashCopy

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22.4 Consistency Groups

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Tertiary

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1 2 31 2 3

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Global Mirror

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Global Mirror options and

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Subordinate

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Consistency Group

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Local Site

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Remote Site

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Start Global Mirror session

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Local site Remote site

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Remote siteLocal site

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23.7.2 Primary site failure

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Secondary

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Action required

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Failback B to A

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23.7.9 Return to local site

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23.7.10 Conclusions

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Global Mirror interfaces

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FlashCopy

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MODE(ASYNC)

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TSO commands

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DS Storage Manager

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ANTRQST Macro

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24.3.2 Define paths

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To remote site

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LCU: 2C00

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LCU: 3C00

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LCU: 3E00

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24.5.2 Define paths

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Remote site (secondary)

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Local site (primary)

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24.5.7 Start Global Mirror

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24.6 ANTRQST macro

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24.7 DS Storage Manager GUI

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Pause; see Figure 24-19

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01 is paused

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Resume, from

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Hold write I/O

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Global Mirror examples

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26.2.5 Timing information

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26.3.1 Define paths

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Example 26-8

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FAILBACK

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Restart Global Mirror session

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26.5.6 Remove the paths

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26.9.1 Create paths

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Define as Consistency Group

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Create to

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Back to correct any of

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, select from the

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Refresh

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26.10.1 DS CLI profile files

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26.10.2 Create paths

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26.13.5 Remove paths

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Example 26-78 rmpprcpath

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Interoperability

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Combining Copy Service

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27.1 Data migration

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Ter t i ar y

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28.2.3 Network connectivity

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User ID management

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28.3.1 Decoding port IDs

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Adding or deleting paths

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28.7 z/OS Global Mirror

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Solutions

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29.2.3 Network connectivity

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Administration access level

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Real-time manager

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Manage hardware

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Storage complexes

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Storage management

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Determining ESS volume size

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29.3.1 Decoding port IDs

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Figure 29-4 Path panel

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Next to continue. In

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ESS Specialist

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Figure 29-11 Metro Mirro

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Figure 29-12 Pairing method

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Figure 29-16 Copy options

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IIBM TotalStorage Rapid Data

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Recovery

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30.1 Introduction

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30.2 Overview

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Secondar

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Left side disk data

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30.3 Architecture

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AIX – Backup PCM

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Storage Server (s)

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AIX – Primary PCM

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function and

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30.4 Additional information

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Center for Replication

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Standard Edtion Replication

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31.4.1 FlashCopy

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31.4.2 Metro Mirror

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31.4.3 Global Copy

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31.4.4 Global Mirror

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PPR link

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Copy Set

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Remote SiteLocal site

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31.8 Volumes in a copy set

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31.8.1 Host volume

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31.8.2 Target volume

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31.8.3 Journal volume

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IP Communication

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Services

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Session

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31.13 Supported platforms

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URL of GUI (RM server)

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IP network

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password

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URL of GUI (RM server)

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user name

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Health Overview

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Sessions

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Storage Subsystems

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ESS/DS Paths

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31.15.3 Sessions panel

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(1) Select session

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(2) Select action

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Panel heading

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Hyper links

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Interface to functional tasks

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RM summary

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31.15.7 Advanced Tools panel

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31.15.8 Console log

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Figure 31-27 Console log

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GDPS overview

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32.1 GDPS solution offerings

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32.1.1 GDPS/PPRC overview

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32.1.2 PPRC and HyperSwap

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32.1.3 RCMF/PPRC overview

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32.1.4 GDPS/XRC overview

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32.1.5 RCMF/XRC overview

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GDPS PPRC/XRC

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System z

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GDPS/PPRC HyperSwap Manager

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GDPS/PPRC and GDPS/XRC

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Concurrent Copy

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Concurrent Copy operation

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Invoking Concurrent Copy

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Concurrent Copy on the DS6000

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Sizing and requirements

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Where to use Concurrent Copy

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SMF information

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DFSMSdss: FlashCopy example

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Installation options exit

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SNMP notifications

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SNMP overview

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Physical connection events

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Remote copy events

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Global Mirror related events

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Master cannot terminate the

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Licensing

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Licenses

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Authorized level

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CLI migration

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Migrating ESS CLI to DS CLI

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Convert the individual tasks

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DS CLI commands

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ESS / DS CLI comparison

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Related publications

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Online resources

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How to get IBM Redbooks

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Help from IBM

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Numerics

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Services with IBM System z

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