HP XP7 Storage - Manual (Page 79)

Restoring Fast Snap pairs
Restoring an FS pair overwrites the existing P-VOL data with the differential data on the S-VOL.
CAUTION: Failures can occur while restoring FS pairs, which suspends the pairs (“PSUE” status).
During a failure, the storage system does the following:
•
Blocks and suspends the FS pair (“PSUE” status), including the FS pairs has snapshot data in
the pool. You must recover the suspended pairs (“PSUE” status) (see
“Workflow for restoring
suspended Fast Snap pairs” (page 81) ).
•
Writes data to the FS pair volumes.
•
Exceeds the data pool capacity of snapshot data.
If a failure occurs, delete the unneeded snapshot data by restoring the suspended pairs.
For more information:
•
About restoring suspended FS pairs, see “Workflow for restoring suspended Fast Snap pairs”
(page 81) .
CAUTION: The pair synchronous rate may not change when you view the rate while restoring
the FS pair. To view the up-to-date rate, wait until the task has completed.
For more information about monitoring the pair synchronous rates, see “Monitoring synchronous
rates” (page 101) .
Prerequisites
•
You have the Storage Administrator (Local Copy) role.
•
The FS pair is split (“PSUS” status).
1. In the RWC main window, in the resource tree in the Explorer, click Replication > Local
Replication > FS Pairs.
2. In the FS Pairs tab, select the pairs you want to resynchronize and then click Resync Pairs.
Restoring Fast Snap pairs 79