HP StorageWorks XP Remote Web Console Software - Manual (Page 189)

Continuous Access XP Journal user guide 189
When powering off network relay devices
To power off a network relay device during remote copy operations, first ensure that all data volume pairs
or mirrors (that is, pairs of journal groups) are split and the status of all data volume pairs is PSUS.
If data volume pairs are split and the network relay device is powered off as mentioned above, use the
following procedure to resume remote copy operations:
1. Power on the network relay device.
2. If the network relay device is ready for remote copy operations, restore data volume pairs that were
split, and confirm that the status of data volume pairs is COPY or PAIR. This operation must be
performed at the primary site.