Suspending Bc Z Pair Creation - HP XP7 User Manual

3. In the Select Secondary Volumes window of the Create BC Pairswizard, complete the following,
and then click Next:
a. In the Available LDEVs table, select the three LDEVs you want to use as the S-VOLs for the
pairs and click Set.
b. In the Selected Pairs table, remove the unwanted LDEV.
Two pairs are simultaneously created, one with two S-VOLs and the other with one S-VOL.

Suspending BC Z pair creation

Suspending a pair creation copies the entire P-VOL to the S-VOL. The P-VOL continues accepting
write I/O operations from the hosts, and host data written to the P-VOL after the suspend is issued
will be marked as differential data.
The HP XP7 storage system automatically suspends a pair in the following cases:
An error condition related to an update copy operation is detected.
It cannot keep the pair mirrored.
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