Why would I create a snapshot consistency group?
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You create a snapshot consistency group when you want to make sure snapshot images are taken on multiple volumes at the same time.
For example, a database made up of multiple volumes that need to stay consistent for recovery purposes would require a snapshot consistency group to collect coordinated snapshots of all volumes and use them to restore the entire database.
The volumes included in a snapshot consistency group are called member volumes.
You can perform the following snapshot operations on a snapshot consistency group:
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Create a snapshot image of a snapshot consistency group to get simultaneous images of the member volumes.
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Create a schedule for the snapshot consistency group to automatically capture periodic simultaneous images of the member volumes.
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Create a host-accessible snapshot volume of a snapshot consistency group image.
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Perform a rollback operation for a snapshot consistency group.