HP XP P9500 Storage - Manual (Page 29)

The following table shows the BC Z operations that you can perform when the S-VOL is shared
with Cnt Ac-J Z P-VOL at local site.
BC Z operations Cnt Ac-J Z local-intermed. pair status
Resync - all types Suspend, Delete Pair split Pair create
NO YES NO NO DUPLEX
NO YES NO NO PENDING
YES YES YES NO Suspend/SSWS
The following table shows the BC Z operations that you can perform when the P-VOL is shared
with Cnt Ac-J Z S-VOL/P-VOL at intermediate site.
BC Z operations Cnt Ac-J Z
intermed.-remote
pair status Cnt Ac-J Z
local-intermed.
pair status
Resync -- Quick
Restore Resync --
Reverse Copy, Create, Split, Suspend, Delete,
Resync--Normal Copy, Quick Resync
NO NO YES DUPLEX or
PENDING DUPLEX,
PENDING*, and
Suspend/SSWS
NO NO YES Suspend/SSWS DUPLEX or
PENDING
NO YES YES Suspend/SSWS Suspend/SSWS
* You cannot perform BC Z operations if the status for both Cnt Ac-J Z pairs is PENDING.
The following table shows the BC Z operations that you can perform when the P-VOL is shared
with Cnt Ac-J Z S-VOL at remote site.
BC Z operations Cnt Ac-J Z
intermed.-remote pair
status
Resync -- Reverse Copy,
Quick Restore Create, Split, Suspend, Delete,
Resync--Normal Copy, Quick Resync
NO YES DUPLEX or PENDING
YES YES Suspend/SSWS
Sharing volumes in 3-Cnt Ac-J Z/Cnt Ac-S Z data center configurations
You can share BC Z pair volumes with Cnt Ac-J Z and Cnt Ac-S Z volumes in the following 3-Cnt
Ac-J Z/Cnt Ac-S Z DC configurations:
•
Multi-target
•
Cascade
These sections describe the configurations and supported BC Z operations.
For more information about these configurations, see the HP XP P9000 Continuous Access Journal
for Mainframe Systems User Guide.
Sharing volumes in 3-Cnt Ac-J Z/Cnt Ac-S Z DC multi-target and delta resync configurations
You can share BC Z P-VOL with Cnt Ac-S Z and Cnt Ac-J Z volumes at the intermediate and remote
sites in 3DC multi-target and delta resync configurations, as shown in the following figure.
NOTE: Cnt Ac-S Z volume designations are main volume, P-VOL, and target volume, T-VOL.
Continuous Access Journal Z 29