HP 3PAR Operating System Software - Manual (Page 7)

Setting Associated Local and Remote CPGs for Remote-Copy Groups......................................153
Automatically Creating Target Volumes on the Secondary System...........................................154
Automatically Deleting Target Volumes on the Secondary System............................................154
Coordinated Manual Grow over Remote Copy....................................................................155
Configuring ESX Host Personas..........................................................................................155
20 Error Handling.................................................................................156
Synchronization States......................................................................................................156
Timeouts for Remote-Copy Failure.......................................................................................156
Timeouts and Transient Network Problems......................................................................157
Failure of a Single Link.....................................................................................................157
Target failure...................................................................................................................157
Target Failure and Synchronous Volume Groups..............................................................157
Restarting Synchronous Volume Groups after Link Recovery...............................................158
Target Failure and Asynchronous Periodic Volume Groups.................................................158
Resynchronizing Asynchronous Periodic Volume Groups after Link Recovery........................158
Failure of a Storage System...............................................................................................159
Failure of a Primary System...........................................................................................159
Failure of a Backup System...........................................................................................159
Write Errors....................................................................................................................159
Write Errors on the Primary System................................................................................159
Write Errors on the Backup System.................................................................................159
Write Errors for Synchronous and Asynchronous Periodic Volume Groups.......................159
Read Errors.....................................................................................................................160
Read Errors during Initial Synchronization.......................................................................160
Read Errors during Synchronization after Restart of Synchronous Volume Groups.................160
Read Errors during Resynchronization of Asynchronous Periodic Volume Groups..................160
IV Recovering from Disaster........................................................................162
21 Using Peer Persistence for Non-disruptive Failover in 1-to-1 Remote Copy in
Geocluster Environments.........................................................................163
System Information during Normal Operation......................................................................166
Primary System (System1).............................................................................................166
Secondary System (System2).........................................................................................166
System Information during Failover.....................................................................................167
Performing a Non-disruptive Failover..................................................................................167
Switchover..................................................................................................................168
Troubleshooting Non-disruptive Failover.........................................................................169
22 Disaster Recovery for 1-to-1 Configurations...........................................171
System Information during Normal Operation......................................................................173
Primary System (System1).............................................................................................173
Backup System (System2).............................................................................................173
System Information during Failover for 1-to-1 Configurations...................................................174
Synchronous Mode for 1-to-1 Configurations...................................................................174
Asynchronous Periodic Mode for 1-to-1 Configurations......................................................174
Example Output after Primary System Failure for 1-to-1 Configurations................................174
Recovering from Disaster for 1-to-1 Configurations.................................................................175
Failover in 1-to-1 Remote-Copy Configurations.................................................................175
Recovery in 1-to-1 Remote-Copy Configurations...............................................................176
23 Disaster Recovery for M-to-N Configurations.........................................181
Disaster Recovery for N-to-1 Configurations.........................................................................181
System Information during Normal Operation for N-to-1 Configurations..............................182
Backup System (System1) for N-to-1 Configurations......................................................182
First Primary System (System2)..................................................................................183
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