HP P9000 Snapshot User Guide (AV400-96394, October 2011)

with these systems, according to the status of the shared pair, and vice versa. The following tables
show the relationship between pair operations and status.
Table 10 SS Operations when P-VOL shared with Cnt Ac-S or Cnt Ac-J P-VOL
Continuous Access Synchronous / Continuous Access Journal StatusSnapshot Operation
DeleteSuspendPSUEPSUSPAIRCOPY
YesYesYesYesYesYesCreate pair
YesYesYesYesYesYesSplit pair
NoNoYesYesNoNoRestore pair
YesYesYesYesYesYesDelete Snapshot data
YesYesYesYesYesYesDelete pair
Table 11 SS Operations when P-VOL shared with Cnt Ac-S or Cnt Ac-J S-VOL
Continuous Access Synchronous / Continuous Access Journal StatusSnapshot Operation
DeleteSuspendSSWS
1
PSUEPSUSPAIRCOPY
YesYesYesYesYesYesYesCreate pair
YesYesYesYesYesYesNoSplit pair
NoNoNoNoNoNoNoRestore pair
2
YesYesYesYesYesYesYesDelete Snapshot data
YesYesYesYesYesYesYesDelete pair
1
SSWS is a Cnt Ac-J pair status. Cnt Ac-S pairs do not change to SSWS status.
2
When restoring a SS pair whose P-VOL is used as a Cnt Ac-S or Cnt Ac-J S-VOL, switch operations to the remote site
using the horctakeover command.
Table 12 Cnt Ac-S/Cnt Ac-J Operations when P-VOL shared with SS P-VOL
Snapshot StatusCnt Ac-S/Cnt Ac-J Operation
PSUECOPY (RS-R)COPY (RS)SMPL (PD)PSUSPAIRCOPY
YesNoYesYesYesYesYesCreate pair
YesN/AYesYesYesYesYesSplit pair
YesNoYesYesYesYesYesResynchronize pair
YesYesYesYesYesYesYesDelete pair
YesNoYesYesYesYesYesSwitch to remote site
(horctakeover)
Table 13 Cnt Ac-S/Cnt Ac-J Operations when P-VOL shared with SS S-VOL
Snapshot Pair StatusContinuous Access
Synchronous / Continuous
Access Journal Operations
PSUECOPY(RS-R)COPY(RS)SMPL(PD)PSUSPAIRCOPY
NoNoNoYesNoNoNoCreate pair*
YesYesYesYesYesYesYesSplit pair
YesNoYesYesYesYesYesResynchronize pair
YesYesYesYesYesYesYesDelete pair
22 Sharing Snapshot volumes