A cloud disk has the following states:
| Status | Attributes | Description |
|---|---|---|
| To be mounted | Steady State | The state of a cloud disk after it is successfully created and before it is attached to a CVM. |
| Mounting | Intermediate State | The state of a cloud disk when it is being attached and before it is in use. |
| In use | Steady State | The state of a cloud disk after it has been attached to a CVM in the same availability zone. |
| Unmounting | Intermediate State | The state of a cloud disk when it is being detached and before it enters the state of to be attached. |
| Expanding | Intermediate State | During the scaling out of cloud disk. |