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What is a snapshot group?

A snapshot group is a collection of point-in-time snapshot images of a single associated base volume.

System Manager organizes snapshot images into snapshot groups . Snapshot groups require no user action, but you can adjust reserved capacity on a snapshot group at any time. Additionally, you might be prompted to create reserved capacity when the following conditions are met:

  • Any time you take a snapshot of a base volume that does not yet have a snapshot group,

    System Manager automatically creates a snapshot group. This creates reserved capacity for the base volume that is used to store subsequent snapshot images.

  • Any time you create a snapshot schedule for a base volume,

    System Manager automatically creates a snapshot group.