ShadowImage
You can use Dynamic Provisioning or Dynamic Tiering in combination with ShadowImage to replicate DP-VOLs.
The following table lists the interaction when the ShadowImage primary volume and secondary volume are also DP-VOLs.
Using Dynamic Provisioning or Dynamic Tiering and ShadowImage
|
ShadowImage P-VOL |
ShadowImage S-VOL |
Explanation |
|---|---|---|
|
DP-VOLs |
DP-VOLs |
Supported. |
|
DP-VOLs |
Normal (ordinary) volumes* |
Supported. The Quick Restore function is unavailable. |
|
Normal (ordinary) volumes* |
DP-VOLs |
Supported. Note, however, that this combination consumes the same amount of pool capacity as the normal volume. The Quick Restore function is unavailable. |
|
*Normal volumes include the internal volumes and external volumes that are mapped to the volumes of the external storage system using by Universal Volume Manager. For more information on external volumes, see the Hitachi Universal Volume Manager User Guide. |
||
You cannot specify a Dynamic Provisioning or Dynamic Tiering pool-VOL as a primary volume or secondary volume