Operating System Software User Manual

Example backup systemExample 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_2.r11
Data flow:
System3 —> System1
asynchronous periodicMode of all volume groups
Failover systemFailed/recovered systemDisaster recovery role
System Information during Normal Operation for N-to-1 Configurations
Backup System (System1) for N-to-1 Configurations
When all systems are up, the showrcopy command output on the backup system (System1) looks
like the following output for 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
182 Disaster Recovery for M-to-N Configurations