TrueCopy
You can use Dynamic Provisioning or Dynamic Tiering in combination with TrueCopy to replicate V-VOLs. The following figure illustrates the interaction when the TrueCopy primary volume and secondary volume are also V-VOLs.
Dynamic Provisioning or Dynamic Tiering and TrueCopy
|
TrueCopy P-VOL |
TrueCopy S-VOL |
Explanation |
|---|---|---|
|
DP-VOLs |
DP-VOLs |
Supported. |
|
DP-VOLs |
Normal (ordinary) volumes* |
Supported. |
|
Normal (ordinary) volumes* |
DP-VOLs |
Supported. Note, however, that this combination consumes the same amount of pool capacity as the original normal volume (primary volume). |
|
*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. |
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You cannot specify a Dynamic Provisioning or Dynamic Tiering pool-VOL as a primary volume or secondary volume