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Elastic File Storage

Mount targets

UpdateMountPoint - Update mount point

Call the UpdateMountPoint API to update mount point information.

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Request parameters

Only unique parameters for this API and some common parameters are listed below. For more information, see Common Parameters.

Action string required Example: UpdateMountPoint

Action to be performed: UpdateMountPoint.

Version string required Example: 2022-01-01

API version. Value: 2022-01-01.

FileSystemId string required Example value: enas-cnbj18bcb923****

File system ID of the mount point to update.

MountPointId string required Example value: mount-cb17****

Mount point ID.

PermissionGroupId string No Example: pgroup-77afc370****

Permission group ID.

tip

You can use the DescribePermissionGroup API to find available permission group IDs.

MountPointName string No Example: MountPointtest

Mount target name. Naming rules:

Cannot start with a number or a hyphen (-).

Can only contain Chinese characters, letters, numbers, underscores (_), and hyphens (-).

Length must be between 1 and 128 characters.

Response parameters

None.

Sample request

POST /?Action=UpdateMountPoint&Version=2022-01-01 HTTP/1.1​
Host: filenas.volcengineapi.com​
Authorization: HMAC-SHA256 Credential=AKLTOGJhY2E1NTdkZGFmNDg0Yjk0ZDFiNjE5Y2NjZjI****/20230907/cn-beijing/filenas/request, SignedHeaders=host;x-date;x-content-sha256;content-type, Signature=7f1119a75111535b1d6e7929700f22e1474af0fb4fe26c59f5ac5cdba0cc****​
Content-Type: application/json; charset=utf-8​
X-Content-Sha256: 567112abe45bd6a09504fd244237f14c0ba120491da0d35097afd54d87bd****​
X-Date: 20230907T124910Z​
{​
    "FileSystemId" : "enas-cnbj18bcb923****",​
    "MountPointId" : "mount-cb17****",​
    "PermissionGroupId": "pgroup-77afc370****",​
    "MountPointName": "MountPointtest"​
}​

Sample response

{​
    "ResponseMetadata":{​
        "RequestId":"92983677-0255-4ea0-a084-0b5e45a093e3",​
        "Action":"UpdateMountPoint",​
        "Version":"2022-01-01",​
        "Service":"FileNAS",​
        "Region":"cn-beijing"​
    },​
    "Result": null​
}​

Error Code

The table below lists error codes related to the interface and business logic. For common error codes, see the Common Error Code documentation.

Status Code	Error Code	Error message	Note
400	MissingParameter.FileSystemId	The required parameter FileSystemId is not supplied.	The file system ID cannot be empty.
400	MissingParameter.MountPointId	The required parameter MountPointId is not supplied.	The MountPointId parameter cannot be empty.
400	InvalidParameter	The specified parameter format is invalid.	Invalid parameter format.
400	AlreadyExist.MountPointName	The specified MountPoint is already exist.	The mount point with the specified name already exists.
400	InvalidParameter.MountPointName	The specified parameter MountPointName is invalid.	Invalid parameter: MountPointName.
404	NotFound.PermissionGroup	The specified PermissionGroup is not exist or has been deleted.	The permission group does not exist or has been deleted.
423	OperationDenied.MountPointBusy	The specified MountPoint is busy.	The mount point is busy.
500	InternalError	An internal error has occurred.	An internal error occurred.

Last updated: 2025.10.28 11:38:01