virtual volume (V-VOL)
A logical volume in a storage system. A V-VOL has no physical storage
space.
Thin Image uses V-VOLs as secondary volumes of copy pairs.
In Dynamic Provisioning, Dynamic Tiering, and active flash, V-VOLs are
called DP-VOLs.
VLUN
Hitachi Virtual LUN
VM
volume migration; volume manager
volume (VOL or vol)
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. An open-systems volume is called a logical unit (LU), and a
mainframe volume is called a logical volume image (LVI).
volume shredding
Deleting the user data on a volume by overwriting all data in the volume
with dummy data.
Glossary 405
System Administrator Guide for VSP Gx00 models and VSP Fx00 models
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