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Cloud Backup:DetachNasFileSystem

Last Updated:Mar 30, 2026

Deletes an internal mount target created by Cloud Backup.

Operation description

  • If the request is successful, the mount target is deleted.

  • After you create a backup plan for an Apsara File Storage NAS file system, HBR automatically creates a mount target for the file system. Call this operation to delete the mount target. In the Status column of the mount target of the NAS file system, the following information is displayed: This mount target is created by an Alibaba Cloud internal service and cannot be operated. Service name: HBR.

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Test

RAM authorization

No authorization for this operation. If you encounter issues with this operation, contact technical support.

Request parameters

Parameter

Type

Required

Description

Example

FileSystemId

string

Yes

The ID of the file system.

005494

CreateTime

string

Yes

The time when the file system was created. The value must be a UNIX timestamp. Unit: seconds.

1607436917

CrossAccountType

string

No

Specifies whether data is backed up and restored within the same Alibaba Cloud account or across Alibaba Cloud accounts. Valid values:

  • SELF_ACCOUNT: Data is backed up and restored within the same Alibaba Cloud account.

  • CROSS_ACCOUNT: Data is backed up and restored across Alibaba Cloud accounts.

SELF_ACCOUNT

CrossAccountUserId

integer

No

The ID of the source Alibaba Cloud account that authorizes the current Alibaba Cloud account to back up and restore data across Alibaba Cloud accounts.

158975xxxxx4625

CrossAccountRoleName

string

No

The name of the RAM role that is created within the source Alibaba Cloud account and assigned to the current Alibaba Cloud account to authorize the current Alibaba Cloud account to back up and restore data across Alibaba Cloud accounts.

BackupRole

Response elements

Element

Type

Description

Example

object

Code

string

The HTTP status code. The status code 200 indicates that the request is successful.

200

Message

string

The message that is returned. If the request is successful, a value of successful is returned. If the request fails, an error message is returned.

successful

RequestId

string

The ID of the request.

473469C7-AA6F-4DC5-B3DB-A3DC0DE3C83E

TaskId

string

The ID of the asynchronous job. You can call the DescribeTask operation to query the execution result of the asynchronous job.

t-*********************

Success

boolean

Indicates whether the request is successful.

  • true: The request is successful.

  • false: The request fails.

true

Examples

Success response

JSON format

{
  "Code": "200",
  "Message": "successful",
  "RequestId": "473469C7-AA6F-4DC5-B3DB-A3DC0DE3C83E",
  "TaskId": "t-*********************",
  "Success": true
}

Error codes

See Error Codes for a complete list.

Release notes

See Release Notes for a complete list.