Hitachi VSP G400 User Guide

Item Requirement
• Pool-VOLs
• HTI S-VOLs
• Volumes that belong to parity groups for which
accelerated compression is enabled
For more information about creating pairs using other
software applications, see
Sharing Thin Image volumes with
other software applications on page 42.
Emulation type OPEN-V
Volume limit 32,768
For more information about the maximum number of HTI
pairs, see Thin Image planning requirements on page 76.
Path definitions Required. (Not required for cascaded pairs and pairs with the
clone attribute)
Volume capacity limit 256 TB
Maximum number of cascades 64 layers (L64). For each primary volume, 1,024 S-VOLs can
be used.
Maximum number of clones
1,024. When storing snapshot data, this number includes the
number of snapshots.
The following table lists the requirements for Thin Image S-VOLs.
An S-VOL must be specified if you want to create a Thin Image pair with an
S-VOL. If you create a Thin Image pair without an S-VOL, an S-VOL need not
be specified.
Item
Requirement
Volume type Thin Image V-VOL (V-VOLs of provisioning type Snapshot) or
DP-VOL.
You cannot specify the following volumes as HTI S-VOLs:
• Volumes that are already used as S-VOLs.
• Volumes that other software applications are using for
pairs or migration plans.
• Deduplication system data volume.
Emulation type OPEN-V
Maximum number of volumes 32,768
For more information about the maximum number of HTI
pairs, see Thin Image planning requirements on page 76.
Path definitions Required. (Not required for cascaded pairs and pairs with the
clone attribute)
The following table lists the requirements for Thin Image pool-VOLs.
Item
Requirement
Volume type Logical volumes (LDEVs).
Thin Image system and planning requirements 71
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