HP StorageWorks XP Remote Web Console Software User Manual
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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 Status
XP Snapshot Operations
PSUE
COPY
(RS-R)
COPY
(RS)
PSUS
PSUS
(SP)
COPY
(SP)
PAIR
COPY
Yes
No
Yes
Yes
Yes
Yes
Yes
Yes
Creating pairs (paircreate)
Yes
No
Yes
Yes
Yes
Yes
Yes
Yes
Storing snapshot data
(pairsplit)
Yes
No
No
Yes
No
No
No
No
Restoring pairs (pairresync
−restore
)
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Deleting snapshot data
(pairresync)
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Deleting 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 Status
XP Snapshot Operations
PSUE
COPY
(RS-R)
COPY
(RS)
PSUS
PSUS
(SP)
COPY
(SP)
PAIR
COPY
No
No
No
Yes
No
No
No
No
Creating pairs (paircreate)
No
No
No
Yes
No
No
No
N/A
Storing snapshot data
(pairsplit)
No
No
No
Yes
No
No
No
N/A
Restoring pairs (pairresync
−restore
)
Yes
Yes
Yes
Yes
Yes
Yes
Yes
N/A
Deleting snapshot data
(pairresync)
Yes
Yes
Yes
Yes
Yes
Yes
Yes
N/A
Deleting pairs (pairsplit
−S
)
Yes: Operation is allowed.
No: Operation is not allowed (command rejected).
N/A: Not applicable.
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About XP Snapshot Operations