HP XP P9500 Storage User Manual
Page 145

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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