HP XP Racks - Manual (Page 64)

S-VOL access Description RWC status
Read/write enabled
S-VOL can be
mounted. The pair has been split. The XP7 storage system stops performing update copy
operations but accepts write I/Os for the S-VOL. The XP7 storage system keeps
track of updates to split P-VOLs and S-VOL so that you can Quick Resync. PSUS
Read only The pairresync RAID Manager command is in progress. The XP7 storage
system does not accept write I/Os for S-VOL. Resynchronizing split pairs copies
only the differential data to the S-VOL. COPY(RS)/COPY
Read only The reverse pairresync RAID Manager command is in progress. The XP7
storage system copies only the S-VOL differential data to the P-VOL. The XP7 COPY(RS-R)/RCPY
storage system does not perform update copy operations during a Reverse Copy
or a Quick Restore. The XP7 storage system does not accept write I/O operations
to S-VOL.
Read only The XP7 storage system does the following: PSUE
•
Suspends the pair.
• Continues accepting read and write I/Os to the P-VOL.
•
Stops update copy operations to the S-VOL.
• Marks the P-VOL as differential data. Resynchronizing a pair copies the P-VOL
to the S-VOL.
* The starting time of the copy depends on the numbers of pairs and the XP7 storage system environment.
Related topics
•
“RAID Manager pair status names” (page 64) .
RAID Manager pair status names
RAID Manager pair status names can match the RWC pair status names.
The following table shows a list of the RWC pair status names and the corresponding pair status
name in RAID Manager.
RAID Manager pair status name RWC pair status name
COPY COPY(PD)/COPY
PAIR PAIR
COPY COPY(SP)/COPY
PSUS PSUS(SP)/PSUS
(P-VOL) PSUS PSUS
(S-VOL) SSUS
COPY COPY(RS)/COPY
RCPY COPY(RS-R)/RCPY
PSUE PSUE
64 Monitoring and maintaining Business Copy