HP XP P9000 Business Copy User Guide (AV400-96483, August 2012)

Operations for BC pairs directly related to the delta resync pair—and Cnt Ac-J status
requirements—are the same whether you perform the BC operation at the intermediate site with
the delta resync P-VOL, or at the remote site with the delta resync S-VOL.
The following table shows the supported operations for status combinations.
Table 7 BC operations — P-VOL shared with intermediate Cnt Ac-J S-VOL/delta resync P-VOL
BC operationsCnt Ac-J C
2
pair
status
Cnt Ac-J A or B
1
,
pair status
Resync --Reverse Copy,
Quick Restore
Create, Split, Suspend, Delete,
Resync--Normal Copy, Quick Resync
NOYESHOLD or HLDEPAIR, COPY, or
PSUS/SSWS
1. Local-intermediate pair, or local-remote pair
2. Delta resync pair
Sharing volumes in a 3-Cnt Ac-J DC cascade configuration
Business Copy volumes can be shared with Continuous Access Journal volumes in 3 DC cascade
configurations. The BC primary and secondary volumes can be shared with Cnt Ac-J volumes, as
shown in the following figure.
Figure 7 BC volumes in a 3-Cnt Ac-J DC cascade configuration
When associated with these configurations, BC pair operations are dependent on the pair status
of the Continuous Access Journal local-intermediate pair and the local-remote pair. The following
tables show the operations that can be performed.
Table 8 BC operations — P-VOL shared with Cnt Ac-J P-VOL at local site
BC operationsCnt Ac-J
local-intermed. pair
status
Resync --Reverse Copy, Quick RestoreCreate, Split, Suspend, Delete,
Resync--Normal Copy, Quick Resync
NOYESPAIR or COPY
YESYESPSUS/SSWS
Table 9 BC operations — S-VOL shared with Cnt Ac-J P-VOL at local site
BC operationsCnt Ac-J
local-intermed. pair
status
ResyncSuspend, DeletePair splitPair create
Quick RestoreNormal Copy, Quick Resync,
Reverse Copy
NONOYESNONOPAIR
NONOYESNONOCOPY
YESYESYESYESNOPSUS/SSWS
28 Sharing Business Copy volumes