Sharing volumes in a 3-cnt ac-s/cnt – HP XP P9500 Storage User Manual
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These sections describe the configurations and supported BC operations.
For more information about these configurations, see the HP XP P9000 Continuous Access Journal
User Guide.
Sharing volumes in 3-Cnt Ac-J/Cnt Ac-S DC multi-target and delta resync configurations
You can share BC P-VOL with Cnt Ac-S and Cnt Ac-J volumes at the intermediate and remote sites
in 3DC multi-target and delta resync configurations, as shown in the following figure.
The BC operations that you can perform depend on the pair status of the other pairs. The following
tables show the supported operations.
Table 4 BC operations at the intermediate site
BC operations
Cnt Ac-J delta resync
pair status
Cnt Ac-S
local-intermed.
pair status
Resync -- Quick
Restore
Resync --
Reverse Copy,
Create, Split, Suspend, Delete,
Resync--Normal Copy, Quick Resync
NO
NO
YES
HOLD
PAIR or
COPY(PD)/COPY
NO
NO
YES
HLDE
PAIR or
COPY(PD)/COPY
NO
YES
YES
HOLD
PSUS/SSWS
NO
YES
YES
HLDE
PSUS/SSWS
Table 5 BC operations at the remote site
BC operations
Cnt Ac-J delta resync
pair status
Cnt Ac-J
local-remote
pair status
Resync -- Quick
Restore
Resync --
Reverse Copy,
Create, Split, Suspend, Delete,
Resync--Normal Copy, Quick Resync
NO
NO
YES
HOLD
PAIR or
COPY(PD)/COPY
NO
YES
YES
HOLD
PSUS/SSWS
Sharing volumes in a 3-Cnt Ac-S/Cnt Ac-J DC cascade configuration
You can share BC P-VOL with Cnt Ac-S and Cnt Ac-J pairs at the intermediate site in 3DC cascade
configurations, as shown in the following figure.
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Sharing Business Copy volumes