HP 3PAR Operating System Software - Manual (Page 220)

B Quick Disaster Recovery Guide
See: To recover from primary system downtime for:
“Quick Recovery: 1-to-1, N-to-1, and 1-to-N Configurations”
(page 220) 1-to-1
N-to-1
1-to-N
“Quick Recovery: Synchronous Long Distance
Configurations” (page 221) Synchronous Long Distance
Additional Information:
•
“Disaster Recovery for 1-to-1 Configurations” (page 103)
•
“Disaster Recovery for N-to-1 Configurations” (page 113)
•
“Disaster Recovery for 1-to-N Configurations” (page 124)
•
“Disaster Recovery for Synchronous Long Distance” (page 134)
•
“About the Remote Copy Commands” (page 222)
Quick Recovery: 1-to-1, N-to-1, and 1-to-N Configurations
Table 7 Quick Recovery Steps for 1-to-1, N-to-1, and 1-to-N Configurations
Failed/Recovered System Failover System Step
setrcopygroup failover -t 1. Change secondary volume groups
to primary.
(of failed system)
showrcopy 2. Verify group reversal.
(Optional) Export the reversed virtual
volumes as read/write snapshots. 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 -t 6. Reverse the natural direction of
data flow and synchronize the
systems.
(of recovered system)
showrcopy showrcopy 7. Verify synchronization.
showrcopy groups 8. Verify volume groups are started.
(Do not continue until groups are
started and synced.) (of volume group that should be started)
setrcopygroup restore -t 9. Restore the natural direction of
data flow.
(of recovered system)
showrcopy showrcopy 10. Verify natural data flow restored.
220 Quick Disaster Recovery Guide