Global-active device

You can use Dynamic Provisioning, Dynamic Tiering, or active flash in combination with global-active device to replicate V-VOLs. The following figure illustrates the interaction when the global-active device primary volume and secondary volume are also V-VOLs.

Dynamic Provisioning, Dynamic Tiering, or active flash and global-active device

Global-active device P-VOL

Global-active device S-VOL

Explanation

DP-VOLs

DP-VOLs

Supported.

DP-VOLs

Normal (ordinary) volumes1

Not supported.

Normal (ordinary) volumes1

DP-VOLs

Not supported.

Note:

  1. Normal volumes include the internal volumes and external volumes that are mapped to the volumes of the external storage system using Universal Volume Manager. For more information on external volumes, see the Universal Volume Manager User Guide.

You cannot specify a Dynamic Provisioning, Dynamic Tiering, or active flash pool-VOL as a primary volume or secondary volume. For more information, see the Global-Active Device User Guide.