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XP Continuous Access or XP Continuous Access Journal
“XP Snapshot Operations for Shared XP Snapshot P-VOL/XP Continuous Access or XP Continuous
Access Journal P-VOL” (page 30) and “XP Snapshot Operations for Shared XP Snapshot P-VOL/XP
Continuous Access or XP Continuous Access Journal S-VOL” (page 30) show the relationship
between the XP Continuous Access or XP Continuous Access Journal pair status and XP Snapshot
operations when the XP Snapshot P-VOL is shared with an XP Continuous Access or XP Continuous
Access Journal volume.
“XP Continuous Access / XP Continuous Access Journal Operations for Shared XP Snapshot
P-VOL/XP Continuous Access or XP Continuous Access Journal P-VOL” (page 31) and “XP Continuous
Access/XP Continuous Access Journal Operations for Shared XP Snapshot P-VOL/XP Continuous
Access or XP Continuous Access Journal S-VOL” (page 31) show the relationship between the XP
Snapshot pair status and XP Continuous Access or XP Continuous Access Journal operations for
shared volumes.
If a volume uses two mirrors in the 3DC multi-target configuration, the 3DC cascade configuration,
or the delta resync configuration consisting of three XP Continuous Access Journal sites, the volume
cannot be used as an XP Snapshot pair volume.
For detailed information about XP Continuous Access pair status and operations, see the HP
StorageWorks XP24000/XP20000 Continuous Access Software User Guide. For detailed
information about XP Continuous Access Journal pair status and operations, see the HP
StorageWorks XP24000/XP20000 XP Continuous Access Journal Software User Guide.
Table 10 XP Snapshot Operations for Shared XP Snapshot P-VOL/XP Continuous Access or XP
Continuous Access Journal P-VOL
XP Continuous Access / XP Continuous Access Journal Pair StatusXP Snapshot Operations
DeletingSuspendingPSUEPSUSPAIRCOPY
YesYesYesYesYesYesCreating pairs (paircreate)
Yes
*
Yes
*
Yes
*
Yes
*
Yes
*
Yes
*
Storing snapshot data
(pairsplit)
NoNoYesYesNoNoRestoring pairs (pairresync
−restore)
YesYesYesYesYesYesDeleting snapshot data
(pairresync)
YesYesYesYesYesYesDeleting pairs (pairsplit
−S)
Yes: Operation is allowed.
No: Operation is not allowed (command rejected).
* These pairs cannot be used as XP Continuous Access Journal delta resync pair volumes.
Table 11 XP Snapshot Operations for Shared XP Snapshot P-VOL/XP Continuous Access or XP
Continuous Access Journal S-VOL
XP Continuous Access / XP Continuous Access Journal Pair StatusXP Snapshot Operations
DeletingSuspendingSSWS
1
PSUEPSUSPAIRCOPY
Yes
3
Yes
3
Yes
3
Yes
3
Yes
3
Yes
3
Yes
3
Creating pairs (paircreate)
YesYesYesYesYesYesNoStoring snapshot data
(pairsplit)
NoNoNoNoNoNoNoRestoring pairs (pairresync
−restore)
2
30 About XP Snapshot Operations