HP 3PAR Operating System Software - Manual (Page 8)

Second Primary System (System3).............................................................................183
System Information during Failover for N-to-1 Configurations.............................................184
Synchronous Mode for N-to-1 Configurations..............................................................184
Asynchronous Periodic Mode for N-to-1 Configurations................................................184
Example Output after Primary System Failure for N-to-1 Configurations..........................184
Recovering from Disaster for N-to-1 Configurations...........................................................184
Failover for N-to-1 Configurations.............................................................................185
Recovery for N-to-1 Remote-Copy Configurations........................................................186
Disaster Recovery for 1-to-N Configurations.........................................................................191
System Information during Normal Operation for 1-to-N Configurations..............................192
Primary System (System1) for 1-to-N Configurations.....................................................192
First Backup System (System2) for 1-to-N Configurations...............................................193
Second Backup System (System3) for 1-to-N Configurations..........................................193
System Information during Failover for 1-to-N Remote-Copy Configurations..........................194
Synchronous Mode for 1-to-N Configurations..............................................................194
Asynchronous Periodic Mode for 1-to-N Configurations................................................194
Example Output after Primary System Failure for 1-to-N Configurations..........................194
Recovering from Disaster for 1-to-N Configurations...........................................................195
Failover for 1-to-N Configurations.............................................................................195
Recovery for 1-to-N Configurations............................................................................196
24 Disaster Recovery for SLD Configurations.............................................202
System Information during Normal Operation for SLD Configurations......................................203
Primary System (SystemA) Information for SLD Configurations............................................203
Synchronous Backup System (SystemB) Information for SLD Configurations..........................204
Asynchronous Periodic Backup System (SystemC) Information for SLD Configurations............205
System Information during Failover for SLD Configurations.....................................................205
Synchronous Mode System Information during Failover.....................................................205
Asynchronous Periodic Mode System Information during Failover.......................................206
Example Output after Primary System Failure..................................................................206
Stages of Disaster Recovery in SLD Remote-Copy Configurations........................................207
Failing Over to the Synchronous Backup System...................................................................207
Failover in SLD Remote-Copy Configuration....................................................................208
Recovery of SLD Remote-Copy Configuration...................................................................211
Failing Over to the Asynchronous Periodic Backup System (with Data Transfer).........................219
Failover in Asynchronous Periodic SLD Remote-Copy Configurations...................................220
Recovery of Asynchronous Periodic Mode in SLD Remote-Copy Configurations....................225
Failing Over to the Asynchronous Periodic Backup System (No Data Transfer)..........................235
Failover.....................................................................................................................236
Recovery....................................................................................................................238
Handling Backup System Failure........................................................................................247
Handling Primary System Failure........................................................................................248
V Reference..............................................................................................251
25 Quick Setup Guide...........................................................................252
Quick Setup: RCIP Transport Layer......................................................................................253
Quick Setup: RCFC Transport Layer....................................................................................254
Quick Setup: Remote-Copy Configurations..........................................................................254
Quick Setup: Unidirectional Remote Copy...........................................................................255
Quick Setup: Bidirectional Remote Copy.............................................................................256
Quick Setup: Synchronous Long Distance Remote Copy.........................................................257
26 Quick Disaster Recovery Guide...........................................................259
Quick Recovery: 1-to-1 and M-to-N Remote-Copy Configurations............................................259
Quick Recovery: Synchronous Long Distance Configurations..................................................260
8 Contents