Operating System Software User Manual

Figure 64 Unidirectional 1-to-N Remote-Copy Configuration
Example second backup
system
Example first backup systemExample primary system
System3System2System1System name
116196System ID
Virtual volumes and volume
groups:
• Two corresponding VVs:
remotevv.0 and
remotevv.1
• Two corresponding VVs:
remotevv.0 and
remotevv.1
• Two VVs, localvv.0
and localvv.1, belong
to primary volume group
periodic_group_1
Data flow:
System1 —> System2
•• One secondary volume
group:
periodic_group_2.r96
One secondary volume
group:
periodic_group_1.r96
• Two VVs, localvv.2
and localvv.3, belong
to primary volume group
periodic_group_2
System1 —> System3
asynchronous periodicMode of all volume groups
Failover systemFailed/recovered systemDisaster recovery role
System Information during Normal Operation for 1-to-N Configurations
Primary System (System1) for 1-to-N Configurations
When all systems are up, the showrcopy command output on the primary system (System1) looks
like the following output for 1-to-N 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
192 Disaster Recovery for M-to-N Configurations