Volume Components - Hitachi VSP G1000 User Manual

Type
Pairs with the
clone attribute

Volume components

To create Thin Image pairs, the following volumes are required.
Volume type
Primary
Secondary
Pool
Hitachi Thin Image User Guide for Hitachi Virtual Storage Platform G Series and F Series
Volume that can Volume that can
be used as P-VOL be used as S-VOL
Logical volume DP-VOL
(LDEV)
Volumes that can be used
Logical volume (LDEV)
Thin Image V-VOL (V-VOL of
which provisioning type is
Snapshot)
DP-VOL
Logical volume (LDEV)
Overview of Thin Image
Cascade
Description
capability
the snapshot
attribute, use a
DP-VOL as the S-
VOL.
The logical
volume of the P-
VOL contains DP-
VOLs (V-VOL of
which provisioning
type is Dynamic
Provisioning).
Pairs to be cloned.
Yes
The logical
volume of the P-
VOL contains DP-
VOLs (V-VOL of
which provisioning
type is Dynamic
Provisioning).
Description
Logical volume of a P-VOL
contains DP-VOLs (V-VOLs of
which provisioning type is
Dynamic Provisioning).
Use this volume to create
snapshot pairs. Cannot be used
for cascaded or cloned pairs.
This volume is required to
create a pair with the S-VOL
specified.
Use this volume to create
cascaded or cloned pairs.
This volume is required to
create a pair with the S-VOL
specified. Cloned pairs must be
created with the S-VOL
specified.
Volumes that configure a pool
which stores snapshot data.
Differential data of a P-VOL is
stored in a pool volume as
snapshot data.
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