Hitachi VSP G400 User Guide

C
cache logical partition (CLPR)
Consists of virtual cache memory that is set up to be allocated to different
hosts in contention for cache memory.
capacity
The amount of data storage space available on a physical storage device,
usually measured in bytes (MB, GB, TB, and so on).
cascade configuration
In a 3DC cascade configuration for remote replication, data is copied from
a local site to an intermediate site and then to a remote site using
TrueCopy and Universal Replicator. See also 3DC.
In a ShadowImage cascade configuration, two layers of secondary
volumes can be defined for a single primary volume. Pairs created in the
first and second layer are called cascaded pairs.
cascade function
A ShadowImage function that allows a primary volume (P-VOL) to have
up to nine secondary volumes (S-VOLs) in a layered configuration. The
first cascade layer (L1) is the original ShadowImage pair with one P-VOL
and up to three S-VOLs. The second cascade layer (L2) contains
ShadowImage pairs in which the L1 S-VOLs are functioning as the P-VOLs
of layer-2 ShadowImage pairs that can have up to two S-VOLs for each P-
VOL. See also root volume, node volume, leaf volume, layer-1 (L1) pair,
and layer-2 (L2) pair.
cascaded pair
A ShadowImage pair in a cascade configuration. See also cascade
configuration.
CCI
Command Control Interface
CG
See consistency group (CTG).
CLPR
See cache logical partition (CLPR).
300 Glossary
Hitachi Thin Image User Guide for Hitachi Virtual Storage Platform G Series and F Series

Hitachi VSP G400 Specifications

General

Brand	Hitachi
Model	VSP G400
Category	Storage
Language	English