Reattaching the snapshots back to the original volumes


Reattaching the snapshots back to the original volumes
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Use this option to reattach the snapshots back to the original data volumes in an RVG. You can choose to attach all the snapshot volumes or the snapshot volumes with specific prefixes.

Note:

After the snapshots are attached back to the original volumes, the contents of the original data volume remain unchanged. However, you can choose to resynchronize the original volumes from the snapshot volumes. In this case, the source volumes are updated with the contents of the snapshot volumes.

To reattach the snapshots back to the original volumes

Select Snapback from the Primary RVG right-click menu. The Snapback dialog box is displayed.
Select one of the following options:
- Click Snap Back all snapshots to reattach all the snapshots back to their original volumes.
- Click Snap Back snapshots with prefix to reattach only the snapshot volumes with the specified prefixes back to their original volumes. Specify the required prefix in the field provided. The two options that are described above are mutually exclusive.
  
  If you add a snapshot volume to an RVG, then Snap Back operation cannot be performed using that volume. In this case, first remove the volume from the RVG before you perform a Snap Back operation.
- Select Resynchronize using snapshot to resynchronize the data in the original volumes with the data on the snapshot volumes.
  
  Note that performing the snapback operation using the Resynchronize using snapshot option causes the checkpoint information to be lost.
- Select Snap Back forcefully to forcefully snapback the snapshot volumes even if the original volumes are in use. This option can be used with both the snapback options.
Click OK to reattach the snapshots, back to the original volumes under the RVG, depending on the specified option.