# EVS Disk Status

EVS Disk Status | Description
--- | ---
creating | The EVS disk is being created.
available | The EVS disk has not been attached to any server and can be attached.
in-use | The EVS disk is attached to a server and is in use.
error | An error occurs when you try to create an EVS disk.
attaching | The EVS disk is being attached.
detaching | The EVS disk is being detached.
restoring-backup | The EVS disk is being restored from a backup.
backing-up | The EVS disk is being created from a backup.
error_restoring | An error occurs when you try to restore the EVS disk from a backup.
uploading | Data on the EVS disk is being uploaded to an image. This status occurs when you create an image from a server.
downloading | Data is being downloaded from an image to the EVS disk. This status occurs when you create a server.
extending | The capacity of the EVS disk is being expanded.
error_extending | An error occurs when you try to expand the capacity of the EVS disk.
deleting | The EVS disk is being deleted.
error_deleting | An error occurs when you try to delete the EVS disk.

rollbacking

Data on the EVS disk is being restored from a snapshot.

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 possible.
- You can roll back an EVS disk from a snapshot only when the disk is in the available or error_rollbacking state.

error_rollbacking | An error occurs when the EVS disk is being rolled back from a snapshot.
awaiting-transfer | The EVS disk is awaiting for a transfer.

Parent topic: Appendix