HP XP7 Business Copy User Guide (TK913-96002)

S-VOL accessDescriptionRWC 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 onlyThe 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 onlyThe 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 onlyThe 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.