Thin Provisioning - HP StorageWorks P9000 User Manual

Figure 5 Cnt Ac-J, Cnt Ac-S, and BC shared volume configuration 1
Figure 6 Cnt Ac-J, Cnt Ac-S, and BC shared volume configuration 2
All Business Copy operations, with the following exceptions, can be performed in the Continuous
Access Synchronous and Continuous Access Journal secondary sites, irrespective of Continuous
Access Synchronous pair status. The Continuous Access Journal delta resync pair's status must be
HOLD or HLDE.
The Reverse Copy can only be performed only when the Continuous Access Synchronous and
Continuous Access Journal pair status is PSUE.
The Quick Restore can not be performed.
P9500 currently does not support the configuration where Continuous Access Synchronous volumes
can be used as Continuous Access Journal volumes or vice versa. For information about when this
configuration will be supported, contact HP Technical Support.

Thin Provisioning

Thin Provisioning volumes can be used with Business Copy P-VOLs, S-VOLs, and reserved volumes
with the following restrictions:
It is recommended that Thin Provisioning volumes are used for both the P-VOL and S-VOL.
When a Thin Provisioning volume is used for only the P-VOL, you cannot perform Quick
Restore.
20 Sharing Business Copy volumes