HP 3PAR Operating System Software - Manual (Page 114)

Example backup system Example second primary
system Example first primary system
Virtual volumes and volume
groups: • Two corresponding VVs:
remotevv.0 and
remotevv.1 • Two VVs: localvv.0 and
localvv.1
System2 = primary •
One primary volume
group: periodic_group_1
•
One secondary volume
group:
periodic_group_1.r96 Data flow:
System2 —> System1
Virtual volumes and volume
groups: • Two corresponding VVs:
remotevv.2 and
remotevv.3 • Two VVs: localvv.0 and
localvv.1
System3 = primary •
One primary volume
group: periodic_group_2
• One secondary volume
group:
periodic_group_1.r11 Data flow:
System3 —> System1
asynchronous periodic Mode of all volume groups
Failover system Failed/recovered system Disaster recovery role
System Information during Normal Operation
Backup System (System1)
When all systems are up, the showrcopy command output on the backup system (for example,
System1) looks like the output for this example N-to-1 configuration of asynchronous periodic mode
Remote Copy:
# showrcopy
Remote Copy System Information
Status: Started, Normal
Target Information
Name ID Type Status Options Policy
System2 7 IP ready mirror_config
System3 8 IP ready mirror_config
Link Information
Target Node Address Status Options
System2 0 10.100.33.96 Up
System2 1 10.101.33.96 Up
System3 0 10.100.33.11 Up
System3 1 10.101.33.11 Up
receive 0 10.100.33.96 Up
receive 1 10.101.33.96 Up
Group Information
Name Target Status Role Mode Options
periodic_group_1.r96 System2 Started Secondary Periodic over_per_alert
LocalVV ID RemoteVV ID SyncStatus LastSyncTime
remotevv.0 21 localvv.0 413 Syncing NA
remotevv.1 22 localvv.1 414 Syncing NA
Name Target Status Role Mode Options
periodic_group_2.r11 System3 Started Secondary Periodic over_per_alert
LocalVV ID RemoteVV ID SyncStatus LastSyncTime
remotevv.2 23 localvv.0 385 Syncing NA
remotevv.3 24 localvv.1 386 Syncing NA
114 Disaster Recovery for N-to-1 Configurations