Requirements and guidelines for snapshots

When creating and using snapshots, review the following requirements and guidelines.

Snapshot images and snapshot groups

Snapshot consistency group

Base volume

Reserved capacity

Pending snapshot images

Snapshot image creation might remain in a Pending state in the following conditions:

Maximum number of snapshot images


If the snapshot group or snapshot consistency group is enabled for automatic deletion, System Manager deletes the oldest snapshot image when the system creates a new one for the group.

Rollback operation