HP 3PAR Operating System Software - Manual (Page 221)

Quick Recovery: Synchronous Long Distance Configurations
Table 8 Quick Recovery Steps for Synchronous Long Distance Configurations
Backup System Failed/Recovered System Failover System Step
setrcopygroup
failover -f -t
<target_name>
1. Change secondary
volume groups to
primary.
(of failed system)
OR (no data transfer):
setrcopygroup
failover -f -t
-discard
<target_name>
(possible data loss)
Verify that failover tasks
complete successfully. 2. Verify group reversal.
showrcopy showrcopy 3. Back up data.
Recover the failed system. 4. Prepare to resume normal
operation.
Stop I/O to the reversed
volume groups. 5. Stop writes.
setrcopygroup
recover -f -t
<target_name>
6. Reverse the natural
direction of data flow
and synchronize the
systems.
(of recovered system)
showrcopy showrcopy showrcopy 7. Verify synchronization.
showrcopy groups
<group_name>
8. Verify volume groups are
started.
(Do not continue until
groups are started and
synced.) (of volume group that should
be started)
setrcopygroup
restore -f -t
<target_name>
9. Restore the natural
direction of data flow.
(of recovered system)
showrcopy showrcopy showrcopy 10. Verify natural data flow
restored.
Quick Recovery: Synchronous Long Distance Configurations 221