HP XP P9500 Storage - Manual (Page 29)

Table 10 BC operations — P-VOL shared with Cnt Ac-J S-VOL/P-VOL at intermediate site
BC operations Cnt Ac-J
intermed.-remote
pair status Cnt Ac-J
local-intermed.
pair status
Resync -- Quick
Restore Resync --
Reverse Copy, Create, Split, Suspend, Delete,
Resync--Normal Copy, Quick Resync
NO NO YES PAIR or COPY PAIR, COPY
*
,
and
PSUS/SSWS
NO NO YES PSUS/SSWS PAIR or COPY
NO YES YES PSUS/SSWS PSUS/SSWS
* When status for both Cnt Ac-J pairs is COPY, no BC operation is possible.
Table 11 BC operations — P-VOL shared with Cnt Ac-J S-VOL at remote site
BC operations Cnt Ac-J
intermed.-remote pair
status
Resync -- Reverse Copy,
Quick Restore Create, Split, Suspend, Delete,
Resync--Normal Copy, Quick Resync
NO YES PAIR or COPY
YES YES PSUS/SSWS
Sharing volumes in a 3-Cnt Ac-J DC delta resync (cascade) configuration
The cascade delta resync configuration with shared Business Copy volumes is shown below. BC
primary volumes can be shared with the delta resync P-VOL and the S-VOL.
Figure 8 BC volumes in a delta resync (cascade) configuration
When a delta resync pair is part of the 3 DC cascade configuration, supported operations for BC
pairs are dependent on the Cnt Ac-J pairs. The following tables show the operations that can be
performed.
Table 12 BC operations — P-VOL shared with Cnt Ac-J P-VOL/delta resync P-VOL at local site
BC operations Cnt Ac-J delta
resync pair status Cnt Ac-J
local-intermed.
pair status
Resync --Reverse Copy,
Quick Restore Create, Split, Suspend, Delete,
Resync--Normal Copy, Quick Resync
NO YES HOLD or HLDE PAIR, COPY, or
PSUS/SSWS
Table 13 BC operations — S-VOL shared with Cnt Ac-J P-VOL/delta resync P-VOL at local site
BC operations Cnt Ac-J delta resync
pair status Cnt Ac-J local-intermed.
pair status
Resync -- All types Suspend, Delete Pair create, Pair
split
NO YES NO HOLD or HLDE PAIR, COPY, or
PSUS/SSWS
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