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(page 29) show the relationship between the XP Snapshot pair status and XP Business Copy
operations for shared volumes.
For detailed information about XP Business Copy pair status and operations, see the HP
StorageWorks XP24000/XP20000 Business Copy Software User Guide.
• Because the XP Snapshot S-VOL uses the data in the P-VOL, XP Business Copy's quick backward
pairresync operation (Quick Restore) is not allowed.
• If a volume of an XP Business Copy pair has consistency group settings, you cannot use this
volume to create an XP Snapshot pair. Also, if you use a volume of an XP Snapshot pair to
create the XP Business Copy pair, you cannot set the consistency group to the XP Business
Copy pair.
• If a volume of an XP Snapshot pair has consistency group settings, you cannot use this volume
to create an XP Business Copy Software pair. Also, if you use a volume of an XP Business
Copy pair to create the XP Snapshot pair, you cannot set the consistency group to the XP
Snapshot pair.
Table 6 XP Snapshot Operations for Shared XP Snapshot P-VOL/XP Business Copy P-VOL
XP Business Copy Pair StatusXP Snapshot Operations
PSUECOPY
(RS-R)
COPY
(RS)
PSUSPSUS
(SP)
COPY
(SP)
PAIRCOPY
YesNoYesYesYesYesYesYesCreating pairs (paircreate)
YesNoYesYesYesYesYesYesStoring snapshot data
(pairsplit)
YesNoNoYesNoNoNoNoRestoring pairs (pairresync
−restore)
YesYesYesYesYesYesYesYesDeleting snapshot data
(pairresync)
YesYesYesYesYesYesYesYesDeleting pairs (pairsplit
−S)
Yes: Operation is allowed.
No: Operation is not allowed (command rejected).
Table 7 XP Snapshot Operations for Shared XP Snapshot P-VOL/XP Business Copy S-VOL
XP Business Copy Pair StatusXP Snapshot Operations
PSUECOPY
(RS-R)
COPY
(RS)
PSUSPSUS
(SP)
COPY
(SP)
PAIRCOPY
NoNoNoYesNoNoNoNoCreating pairs (paircreate)
NoNoNoYesNoNoNoN/AStoring snapshot data
(pairsplit)
NoNoNoYesNoNoNoN/ARestoring pairs (pairresync
−restore)
YesYesYesYesYesYesYesN/ADeleting snapshot data
(pairresync)
YesYesYesYesYesYesYesN/ADeleting pairs (pairsplit
−S)
Yes: Operation is allowed.
No: Operation is not allowed (command rejected).
N/A: Not applicable.
28 About XP Snapshot Operations