Operating System Software User Manual

Figure 65 SLD Remote-Copy Configuration
Example asynchronous
periodic backup system
Example synchronous
backup system
Example primary system
SystemCSystemBSystemASystem name
6319596System ID
• Four VVs, testvv.0 –
testvv.3, belong to
primary volume group
multi.1
Virtual volumes and volume
groups:
Data flow:
SystemA —> SystemB
• Four corresponding VVs:
testvv.0 – testvv.3
• Four corresponding VVs:
testvv.0 – testvv.3
• •One secondary volume
group: multi.1.r96
One secondary volume
group: multi.1.r96
SystemA —> SystemC
periodic —> SystemAsynchronous —> SystemAsync —> SystemBmode
periodic —> SystemC
Failover systemFailed/recovered systemDisaster recovery role
System Information during Normal Operation for SLD Configurations
Primary System (SystemA) Information for SLD Configurations
When all systems are up, the showrcopy command output on the primary system (SystemA) looks
like the following output for SLD configuration:
# showrcopy
Remote Copy System Information
Status: Started, Normal
Target Information
Name ID Type Status Options Policy
SystemB 58 FC ready 2FF70002AC0000C3 mirror_config
SystemC 59 IP ready mirror_config
Link Information
Target Node Address Status Options
SystemB 0:2:1 20210002AC0000C3 Up
System Information during Normal Operation for SLD Configurations 203