Rolls back a disk by using a snapshot.
Operation description
When you call this operation, take note of the following items:
- The disk must be in the In Use (In_Use) or Unattached (Available) state.
- The instance to which the disk is attached must be in the Stopped (Stopped) state. You can call the StopInstance operation to stop an instance.
- The specified snapshot must be created from the disk specified by the DiskId parameter.
- If the response contains
{"OperationLocks": {"LockReason" : "security"}}when you query information about an ENS instance by calling the DescribeInstances operation, the instance is locked for security reasons and no operations are allowed on the instance.
Debugging
Authorization information
The following table shows the authorization information corresponding to the API. The authorization information can be used in the Action policy element to grant a RAM user or RAM role the permissions to call this API operation. Description:
- Operation: the value that you can use in the Action element to specify the operation on a resource.
- Access level: the access level of each operation. The levels are read, write, and list.
- Resource type: the type of the resource on which you can authorize the RAM user or the RAM role to perform the operation. Take note of the following items:
- The required resource types are displayed in bold characters.
- If the permissions cannot be granted at the resource level,
All Resourcesis used in the Resource type column of the operation.
- Condition Key: the condition key that is defined by the cloud service.
- Associated operation: other operations that the RAM user or the RAM role must have permissions to perform to complete the operation. To complete the operation, the RAM user or the RAM role must have the permissions to perform the associated operations.
| Operation | Access level | Resource type | Condition key | Associated operation |
|---|---|---|---|---|
| ens:ResetDisk | update | *All Resources * |
| none |
Request parameters
| Parameter | Type | Required | Description | Example |
|---|---|---|---|---|
| DiskId | string | Yes | The ID of the disk that you want to roll back. | d-bp199lyny9b3**** |
| SnapshotId | string | Yes | The ID of the snapshot that you want to use to roll back the disk. | sp-bp199lyny9b3**** |
Response parameters
Examples
Sample success responses
JSONformat
{
"RequestId": "C0003E8B-B930-4F59-ADC0-0E209A9012A8"
}Error codes
| HTTP status code | Error code | Error message | Description |
|---|---|---|---|
| 400 | InstanceNotFound | The input parameter instancdId that is not found. | - |
| 400 | NoPermission | Permission denied. | - |
| 400 | CallInterface | Call Interface Happen Error. | An error occurred when you call the operation. |
| 400 | InvalidParameter.%s | The specified field %s invalid. Please check it again. | - |
For a list of error codes, visit the Service error codes.
Change history
| Change time | Summary of changes | Operation |
|---|---|---|
| 2023-12-26 | The Error code has changed | View Change Details |