HP StorageWorks P9000 - Disk Arrays User Manual page 33

perform Quick Resync, Reverse Copy, or Quick Restore, you issue the PPRC command on one
pair.
Procedure 8 To resynchronize a pair
1. If the T-VOL is online, set it offline. If you resynchronize T-VOL to S-VOL, set the S-VOL offline,
too.
2. Click Actions > Local Copy > Business Copy for Mainframe/Compatible FlashCopy > Pair
Operation to open the Pair Operation window.
3. Change to Modify mode by clicking the
4. In the tree, select the CU image where the desired pairs are located.
5. In the volume list, select the pair(s) to be resynchronized, right-click, and select Resync Pair.
6. In the Resynchronize Volume Pair dialog box, select the Resync Type as follows:
CAUTION: Make sure to select the correct resync direction.
Normal Copy(S->T) to resynchronize the pair(s) normally. All differential data is updated
to the T-VOL.
Quick Resync(S->T) to immediately change pair status to Duplex. Resynchronization of
data does not occur immediately. Differential data is copied during update copying.
Reverse Copy(T->S) to copy the T-VOL data to the S-VOL so that the two volumes are
resynchronized. All differential data is updated to the S-VOL.
Quick Restore(T->S) to swap the S-VOL and T-VOL. Any differential data between the
volumes is copied during update copying.
7. From Copy Pace, select the pace at which the pair(s) are to be resynchronized, Slower, Medium,
or Faster. Copy Pace affects the host I/O performance: a slower pace minimizes impact, a
faster pace has the greatest impact. The pace you select is applied for all pairs in the operation.
8. Click OK.
icon.
Resynchronize pairs 33