Thin Image pairs

This table describes Thin Image pairs.

Type

Volume that can be used as P-VOL

Volume that can be used as S-VOL

Cascade capability

Description

Pairs with the snapshot attribute

Logical volume (LDEV)

Thin Image V-VOL (V-VOL of which provisioning type is Snapshot)

No

Pairs used to store snapshot data.

The logical volume of the P-VOL contains DP-VOLs (V-VOL of which provisioning type is Dynamic Provisioning).

DP-VOL

Yes

Pairs used to store snapshot data. To create a cascaded pair with 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 with the clone attribute

Logical volume (LDEV)

DP-VOL

Yes

Pairs to be cloned.

The logical volume of the P-VOL contains DP-VOLs (V-VOL of which provisioning type is Dynamic Provisioning).