HP XP7 Storage - Manual (Page 104)

6. When the secondary system is ready to resume copy operations, power on the primary system.
CAUTION: Wait five (5) minutes after powering on a system before performing Continuous
Access Journal Z operations; otherwise the pairs could be suspended with a failure.
7. When the primary system is ready to resume copy operations, resynchronize the pairs that
have been split at the primary system. Confirm that the status of the pairs is changed to Pending
duplex or Duplex.
After turning power on or off for both the primary and secondary system at the same time, if pair
status at primary system is Suspend and a status of a pair of secondary system is Duplex, use
Remote Web Console to suspend the pair of the secondary system. After confirming that the statuses
of the pair on both systems is Suspend, resynchronize the pair at the primary system.
Powering-off network relay devices
Procedure 37 To power off a network relay device during copy operations
1. Ensure that all pairs or mirrors are split and that the status of all the pairs is Suspend.
2. Power off the device.
3. When ready power on the network relay device.
4. When the network relay device is ready for copy operations, from the local site, resynchronize
the pairs that have been split.
5. Confirm that pair status is Pending duplex or Duplex.
104 Maintaining the Cnt Ac-J Z system