virtual volume (V-VOL)
A logical volume that has no physical storage space. Hitachi Thin Image uses V-VOLs as
secondary volumes of copy pairs. In Dynamic Provisioning, Dynamic Tiering, and active
flash, V-VOLs are referred to as DP-VOLs.
VLL
Hitachi Virtual LVI/LUN
VLVI
Hitachi Virtual LVI
VM
volume migration; volume manager
VOL, vol
volume
volser
volume serial number
volume
A logical device (LDEV) 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).
volume pair
See copy pair.
V-VOL
virtual volume
V-VOL management area
Contains the pool management block and pool association information for Thin Image,
Dynamic Provisioning, Dynamic Provisioning for Mainframe, Dynamic Tiering, and
Dynamic Tiering for Mainframe operations. The V-VOL management area is created
automatically when additional shared memory is installed and is required for the
program product operations.
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A B C D E F G H I J K L M N O P Q R S T U V W X Y Z
Glossary-22
Hitachi TrueCopy® User Guide for Hitachi Virtual Storage Platform Gx00 and Fx00 Models
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