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
<target_name>
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
<target_name>
6. Reverse the natural direction of
data flow and synchronize the
systems.
(of recovered system)
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 -t
<target_name>
9. Restore the natural direction of
data flow.
(of recovered system)
showrcopy showrcopy 10. Verify natural data flow restored.
220 Quick Disaster Recovery Guide