Query the export directory information of the protocol service
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:
- For mandatory resource types, indicate with a prefix of * .
- 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 |
|---|---|---|---|---|
| nas:GetProtocolMountTarget | get | *All Resources * |
| none |
Request parameters
| Parameter | Type | Required | Description | Example |
|---|---|---|---|---|
| NextToken | string | No | A pagination token. It can be used in the next request to retrieve a new page of results. | M18xMA== |
| MaxResults | long | No | The number of results for each query. Valid values: 10 to 100. Default value: 20. | 20 |
| FileSystemId | string | Yes | The ID of the file system.
| cpfs-099394bd928c**** |
| ClientToken | string | No | A client-generated, case-sensitive token that you can use to ensure the idempotency of the request. The token must be unique for each request. It must be an ASCII string with a maximum length of 64 characters. For more information, see How to ensure idempotence. Note
If you do not specify this parameter, the system automatically uses the request ID as the client token. The request ID may be different for each request.
| 123e4567-e89b-12d3-a456-42665544**** |
| ProtocolServiceId | string | Yes | The ID of the protocol service. | ptc-197ed6a00f2b**** |
| ExportId | string | Yes | The ID of the export directory for the protocol service. | exp-19abf5beab8d**** |
Response parameters
Examples
Sample success responses
JSONformat
{
"RequestId": "6299428C-3861-435D-AE54-9B330A00****",
"NextToken": "M18xMA==",
"ProtocolMountTarget": {
"ExportId": "exp-19abf5beab8d****",
"ProtocolMountTargetDomain": "cpfs-0229cb80bcc0****-x******.cn-*****.cpfs.aliyuncs.com",
"ProtocolType": "NFS",
"VpcId": "vpc-bp1h5mxoqfuo3xurf****",
"VSwitchId": "vsw-8vb2qjnxs6hiobzve****",
"VSwitchIds": [
"vsw-bp1q3ro8erikjjrb2****"
],
"FsetId": "fset-299b4ca04de8****",
"Path": "/",
"AccessGroupName": "DEFAULT_VPC_GROUP_NAME",
"CreateTime": "2025-12-22 17:49:25",
"Status": "AVAILABLE",
"Description": "The description of the export directory."
}
}Error codes
| HTTP status code | Error code | Error message | Description |
|---|---|---|---|
| 400 | MissingFileSystemId | FileSystemId is mandatory for this action. | - |
| 400 | MissingExportId | ExportId is mandatory for this action. | - |
| 404 | InvalidFileSystem.NotFound | The specified file system does not exist. | The specified file system does not exist. |
| 404 | Resource.NotFound | The specified resource does not exist. | The specified resource does not exist. |
For a list of error codes, visit the Service error codes.
Change history
| Change time | Summary of changes | Operation |
|---|---|---|
| 2026-01-06 | Add Operation | View Change Details |