Modifies the description of a file system.


OpenAPI Explorer automatically calculates the signature value. For your convenience, we recommend that you call this operation in OpenAPI Explorer. OpenAPI Explorer dynamically generates the sample code of the operation for different SDKs.

Request parameters

Parameter Type Required Example Description
Action String Yes ModifyFileSystem

The operation that you want to perform.

Set the value to ModifyFileSystem.

FileSystemId String Yes 1ca404****

The ID of the file system.

  • Sample ID of a General-purpose NAS file system: 31a8e4****.
  • The IDs of Extreme NAS file systems must start with extreme-. Example: extreme-0015****.
  • The IDs of Cloud Paralleled File System (CPFS) must start with cpfs-. Example: cpfs-125487****.
Description String No The description of the file system.

The description of the file system.


  • The description must be 2 to 128 characters in length.
  • The description must start with a letter but cannot start with http:// or https://.
  • The description can contain letters, digits, colons (:), underscores (_), and hyphens (-).

Response parameters

Parameter Type Example Description
RequestId String 5BC5CB97-9F28-42FE-84A4-0CD0DF42****

The ID of the request.


Sample requests

&Description=The description of the file system. 
&<Common request parameters>

Sample success responses

XML format

HTTP/1.1 200 OK


JSON format

HTTP/1.1 200 OK

  "RequestId" : "5BC5CB97-9F28-42FE-84A4-0CD0DF42****"

Error codes

For a list of error codes, visit the API Error Center.