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Dell PowerVault MD 32XX/36XX Series Storage Arrays CLI Guide

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Deleting A Consistency Group Snapshot Image

You can delete the snapshot images in a consistency group. However, when you delete a consistency group snapshot image that is associated with a consistency group snapshot virtual disk, the corresponding snapshot virtual disk member in the consistency group snapshot virtual disk is transitioned to a Stopped state. Being in this state means that the snapshot virtual disk member no longer has a relationship to the snapshot group of the deleted snapshot image. A snapshot virtual disk member in a Stopped state maintains its relationship to its consistency group snapshot virtual disk.
When a snapshot image(s) is deleted from a consistency group:
  • The snapshot is deleted from the storage array.
  • The repository’s reserve space for reuse within the consistency group is released.
  • Any member virtual disk associated with the deleted snapshot image(s) is moved to a Stopped state.
  • The member snapshot virtual disks associated with the deleted snapshot image(s) is deleted.
To delete two snapshot images named all_data_1 from a consistency group, use the following command: 
delete cgSnapImage consistencyGroup="all_data_1"
To succeed, all snapshot images must be deleted or the command will fail and no snapshots will be deleted.

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