# EVS Snapshot Status

An EVS snapshot has several statuses. Table 1 lists the EVS snapshot statuses, the meaning of each status, and the operations a snapshot in each status allows.

Table 1 Snapshot status details
Snapshot Status | Description | Allowed Operation
--- | --- | ---
Creating | The snapshot is being created. | No operations are allowed.

Available

The snapshot is successfully created.

- Creating EVS disks using snapshots
- Deleting snapshots
- Rolling back snapshots to source EVS disks

Deleting | The snapshot is being deleted. | No operations are allowed.
Error | An error occurs when you try to create a snapshot. | Deleting
Deletion failed | An error occurs when you try to delete a snapshot. | No operations are allowed.

Rolling back

The snapshot is rolling back data.

NOTE:

- When you roll back a snapshot to an EVS disk, you can only roll back the snapshot to the source EVS disk. Rollback to a specified disk is not supported.
- You can roll back an EVS disk from a snapshot only when the disk is in the Available or Rollback failed state.

No operations are allowed.

Backing up | This status is available only to temporary snapshots. When you create a backup for an EVS disk, a temporary snapshot is automatically created. This status indicates that a temporary snapshot is being created during the backup creation. NOTE: Temporary snapshots are created through the CBR service. Do not perform any operation on these snapshots. | No operations are allowed.

Parent topic: Appendix