HP StorageWorks Continuous Access XP Journal user guide (December 2005)

60 Continuous Access XP Journal
6. Execute the RAID Manager pairsplit -S command on the Business Copy XP pair to release the
pair (Figure 23).
Figure 23 Restoring Business Copy XP P-VOLs, step 6
7. Execute the RAID Manager paircreate command on the Business Copy XP pair to copy in the
original direction (see Figure 24).
Figure 24 Restoring Business Copy XP P-VOLs, step 7
8. Execute the RAID Manager pairsplit -r command on the Business Copy XP pair to put the pair in
PSUS status (see Figure 25).
Figure 25 Restoring Business Copy XP P-VOLs, step 8
9. Execute the RAID Manager pairresync command on the Continuous Access XP Journal pair to
resynchronize the pair (see Figure 26).
Figure 26 Restoring Business Copy XP P-VOLs, step 9
Combining Continuous Access XP Journal with Continuous Access XP (3DC cascading
configuration)
The local disk array allows Continuous Access XP Journal and Continuous Access XP (synchronous) to be
combined. This combination is intended to ensure that the response time against host I/Os is comparable,
regardless of whether the distance between the primary and secondary sites is short or long. This
combination is also intended to ensure that the secondary site stores data that has been stored in the
primary site even if a failure occurs in the primary site. These intentions are fulfilled if remote copy