CV
See custom volume.
CVS
custom volume size
CXFS
clustered version of XFS file system
D
data drive
A physical data storage device that can be either a hard disk drive (HDD)
or a flash drive (also called a solid-state device).
DBV
Hitachi Database Validator
DC
data center
delta resync
A disaster recovery solution in which TrueCopy and Universal Replicator
systems are configured to provide a quick recovery using only differential
data stored at an intermediate site.
device
A physical or logical unit with a specific function.
device emulation
Indicates the type of logical volume. Mainframe device emulation types
provide logical volumes of fixed size, called logical volume images (LVIs),
which contain EBCDIC data in CKD format. Typical mainframe device
emulation types include 3390-9 and 3390-M. Open-systems device
emulation types provide logical volumes of variable size, called logical
units (LUs), that contain ASCII data in FBA format. The typical open-
systems device emulation type is OPEN-V.
disaster recovery
A set of procedures to recover critical application data and processing
after a disaster or other failure.
390 Glossary
System Administrator Guide for VSP Gx00 models and VSP Fx00 models