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HP XP P9500 Storage User Manual

Page 145

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and to replaced data in the pool, maintaining the point-in-time copy of the P-VOL at the time of
the split operation.

VM

volume migration; volume manager

VOL, vol

volume

VOLID

volume ID

volser

volume serial number

volume

A logical device (LDEV), or a set of concatenated LDEVs in the case of LUSE, that has been defined
to one or more hosts as a single data storage unit. A mainframe volume is called a logical volume
image (LVI), and an open-systems volume is called a logical unit. (LU).

volume pair

See copy pair.

WC

Web Console

Web Console

The computer inside a RAID storage system that hosts the Remote Web Console software and is
used by service personnel for configuration and maintenance of the storage system.

WR

write

write order

The order of write I/Os to the primary volume of a copy pair. The data on the S-VOL is updated
in the same order as on the P-VOL, particularly when there are multiple write operations in one
update cycle. This feature maintains data consistency at the secondary volume. Update records
are sorted in the cache at the remote system to ensure proper write sequencing.

XRC

IBM Extended Remote Copy

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