HP XP P9500 Storage - Manual (Page 30)

The BC Z operations that you can perform depend on the pair status of the other pairs. The following
tables show the supported operations.
Table 3 BC Z operations at the intermediate site
BC Z operations Cnt Ac-J Z delta
resync pair status Cnt Ac-S Z
local-intermed.
pair status
Resync -- Quick
Restore Resync --
Reverse Copy, Create, Split, Suspend, Delete,
Resync--Normal Copy, Quick Resync
NO NO YES HOLD DUPLEX or
PENDING
NO NO YES HLDE DUPLEX or
PENDING
NO YES YES HOLD Suspend/SSWS
NO YES YES HLDE Suspend/SSWS
Table 4 BC operations at the remote site
BC operations Cnt Ac-J Z delta
resync pair status Cnt Ac-J Z
local-remote
pair status
Resync -- Quick
Restore Resync --
Reverse Copy, Create, Split, Suspend, Delete,
Resync--Normal Copy, Quick Resync
NO NO YES HOLD DUPLEX or
PENDING
NO YES YES HOLD Suspend/SSWS
Sharing volumes in a 3-Cnt Ac-S Z/Cnt Ac-J Z DC cascade configuration
You can share BC Z P-VOL with Cnt Ac-S Z and Cnt Ac-J Z pairs at the intermediate site in 3DC
cascade configurations, as shown in the following figure.
30 Sharing Business Copy Z volumes