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Contents
Chapter 1 Data Replication Overview...............................................................................................................................1
1.1 Data Replication..........................................................................................................................................................1
1.2 Examples of Applying Data Replication.....................................................................................................................2
1.2.1 Backup.................................................................................................................................................................2
1.2.2 Test Environment Setting....................................................................................................................................4
1.2.3 Parallel Processing of Search Operation .............................................................................................................5
1.3 System Configuration..................................................................................................................................................6
Chapter 2 Data Replication ................................................................................................................................................8
2.1 Volume Classification .................................................................................................................................................8
2.2 Replication Operations..............................................................................................................................................10
2.2.1 Replicate ............................................................................................................................................................10
2.2.2 Separate .............................................................................................................................................................10
2.2.3 Restore...............................................................................................................................................................11
2.3 Replication Operations and State Transitions ...........................................................................................................12
2.3.1 Replicate and State Transitions .........................................................................................................................13
2.3.2 Separate and State Transitions ..........................................................................................................................14
2.3.3 Restore and State Transitions ............................................................................................................................15
2.3.4 Activity State and Synchronous State ...............................................................................................................16
2.4 Copy Control State ....................................................................................................................................................17
2.5 Relationship between Copy Performance and Copy Control State...........................................................................19
2.6 RV Access Restriction...............................................................................................................................................20
2.7 Copy Faults and State Transitions.............................................................................................................................21
2.8 Freeze of Disk Arrays................................................................................................................................................22
Chapter 3 Replication Management ................................................................................................................................23
3.1 Replication Management Overview..........................................................................................................................23
3.1.1 Operations and Authorization Levels................................................................................................................23
3.1.2 Event Detection and Operation Message Output ..............................................................................................24
3.1.3 Notes on Operation............................................................................................................................................26
3.2 Explanation of Replication Screen............................................................................................................................27
3.2.1 Replication Screen.............................................................................................................................................27
3.2.2 Configuration Display Area ..............................................................................................................................28
3.2.3 Replication Information Screen.........................................................................................................................30
3.2.4 Disk Array LINK Information Screen...............................................................................................................36
3.2.5 Menu Item List ..................................................................................................................................................39
3.2.6 Information Displayed on Execution Dialog.....................................................................................................41
3.3 Various Operations of Replication Management ......................................................................................................43