HP XP Racks - Manual (Page 4)

3DC Cascade (Cnt Ac-J Z x Cnt Ac-J Z) configuration.........................................................55
The 3DC Multi-Target (Cnt Ac-S Z x Cnt Ac-J Z) configuration..............................................56
3DC Multi-Target (Cnt Ac-J Z x Cnt Ac-J Z) configuration.....................................................58
The Delta Resync configuration........................................................................................59
2DC Configuration with HyperSwap and Continuous Access Journal........................................60
The 4x4 configuration........................................................................................................62
The 4x4x4 Cascade configuration.......................................................................................63
Operations during a host failure at the primary site...........................................................64
Operations during a storage system failure at the primary site.............................................65
The 4x4x4 Delta Resync configuraton...................................................................................66
The Compatible FlashCopy linkage configuration...................................................................68
Overview of functions....................................................................................................68
Prerequisites for the Compatible FlashCopy linkage configuration........................................69
Sample replication product combinations...................................................................................71
Understanding copy group operations.......................................................................................72
Configuration for copy groups used by Business Continuity Manager........................................72
Configuration patterns that allow pair creation..................................................................73
Configuration patterns that prohibit pair creation...............................................................75
Copy group operation commands........................................................................................77
Using CLI commands to obtain status....................................................................................78
Meaning of copy pair status...........................................................................................78
Using the YKQRYDEV command to obtain the copy pair status of specified volumes...............80
Using the YKQUERY command to obtain the copy pair status for each copy pair...................83
Acquiring copy pair information from one site of a copy pair..............................................85
Copy pair status transitions.................................................................................................85
Status monitoring for copy groups........................................................................................87
Status monitoring by copy pair.......................................................................................87
Status monitoring by volume...........................................................................................88
3 Understanding Business Continuity Manager functions..................................89
The Remote DKC Control function..............................................................................................89
Overview of the Remote DKC Control function........................................................................89
Functions for minimizing CLI command execution time when using the Remote DKC Control
function............................................................................................................................90
Defining multiple command device lines...........................................................................90
Creating an inter-control unit logical path dedicated to the command device ........................92
Functions that support disaster recovery.....................................................................................93
The Reverse Resync function.................................................................................................93
The Continuous Access Synchronous Consistency preservation function......................................94
The operational testing function................................................................................................95
Functions that support copy group definitions and operations.......................................................96
The Copy Group Configuration Check function......................................................................96
Copy Group Definition File Generation function using CSV files...............................................97
SMS Storage Group Import function.....................................................................................98
The Specified Time Suspend function.........................................................................................99
NORMAL ATTIME Suspend function.....................................................................................99
Performing a Backup Using the NORMAL ATTIME Suspend Function (for TCA).....................100
Performing a backup using the NORMAL ATTIME Suspend function (for BC Z).....................100
When suspensions are executed (NORMAL ATTIME Suspend function)...............................101
NORMAL ATTIME Suspend function: recommendations for backing up multiple generations...101
Cnt Ac-J Z ATTIME Suspend function...................................................................................102
Performing a backup using the Cnt Ac-J Z ATTIME Suspend function (for Cnt Ac-J Z).............102
Relationship Between the ATTIME Suspend Time and Timeout Times...................................103
When suspensions are executed (Cnt Ac-J Z ATTIME Suspend function)...............................103
Cnt Ac-J Z ATTIME Suspend function: recommendations for backing up multiple generations..105
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