U
update copy
An operation that copies differential data on the primary volume of a copy
pair to the secondary volume. Update copy operations are performed in
response to write I/Os on the primary volume after the initial copy
operation is completed.
UR
Hitachi Universal Replicator
UR
Hitachi Universal Replicator
URz
Hitachi Universal Replicator software for Mainframe
URz
Hitachi Universal Replicator software for Mainframe
V
V
version; variable length and de-blocking (mainframe record format)
V-VOL
See virtual volume.
V-VOL management area
Contains the pool management block and pool association information for
Dynamic Provisioning, Dynamic Provisioning for Mainframe, Dynamic
Tiering, and Dynamic Tiering for Mainframe, and Thin Image operations.
The V-VOL management area is created automatically when additional
shared memory is installed.
VB
variable length and blocking (mainframe record format)
view mode
The mode of operation of Device Manager - Storage Navigator that allows
viewing only of the storage system configuration. See also modify mode.
318 Glossary
Hitachi Thin Image User Guide for Hitachi Virtual Storage Platform G Series and F Series
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