<p>Returns the description of specific Amazon FSx file systems, if a <code>FileSystemIds</code> value is provided for that file system. Otherwise, it returns descriptions of all file systems owned by your Amazon Web Services account in the Amazon Web Services Region of the endpoint that you're calling.</p> <p>When retrieving all file system descriptions, you can optionally specify the <code>MaxResults</code> parameter to limit the number of descriptions in a response. If more file system descriptions remain, Amazon FSx returns a <code>NextToken</code> value in the response. In this case, send a later request with the <code>NextToken</code> request parameter set to the value of <code>NextToken</code> from the last response.</p> <p>This operation is used in an iterative process to retrieve a list of your file system descriptions. <code>DescribeFileSystems</code> is called first without a <code>NextToken</code>value. Then the operation continues to be called with the <code>NextToken</code> parameter set to the value of the last <code>NextToken</code> value until a response has no <code>NextToken</code>.</p> <p>When using this operation, keep the following in mind:</p> <ul> <li> <p>The implementation might return fewer than <code>MaxResults</code> file system descriptions while still including a <code>NextToken</code> value.</p> </li> <li> <p>The order of file systems returned in the response of one <code>DescribeFileSystems</code> call and the order of file systems returned across the responses of a multicall iteration is unspecified.</p> </li> </ul>

{
  "success": true,
  "data": {
    "id": "abc123",
    "created_at": "2025-01-01T00:00:00Z"
  }
}

{
  "success": false,
  "error": {
    "code": "VALIDATION_ERROR",
    "message": "Invalid request parameters"
  }
}

<p>Returns the description of specific Amazon FSx file systems, if a <code>FileSystemIds</code> value is provided for that file system. Otherwise, it returns descriptions of all file systems owned by your Amazon Web Services account in the Amazon Web Services Region of the endpoint that you're calling.</p> <p>When retrieving all file system descriptions, you can optionally specify the <code>MaxResults</code> parameter to limit the number of descriptions in a response. If more file system descriptions remain, Amazon FSx returns a <code>NextToken</code> value in the response. In this case, send a later request with the <code>NextToken</code> request parameter set to the value of <code>NextToken</code> from the last response.</p> <p>This operation is used in an iterative process to retrieve a list of your file system descriptions. <code>DescribeFileSystems</code> is called first without a <code>NextToken</code>value. Then the operation continues to be called with the <code>NextToken</code> parameter set to the value of the last <code>NextToken</code> value until a response has no <code>NextToken</code>.</p> <p>When using this operation, keep the following in mind:</p> <ul> <li> <p>The implementation might return fewer than <code>MaxResults</code> file system descriptions while still including a <code>NextToken</code> value.</p> </li> <li> <p>The order of file systems returned in the response of one <code>DescribeFileSystems</code> call and the order of file systems returned across the responses of a multicall iteration is unspecified.</p> </li> </ul>

{
  "success": true,
  "data": {
    "id": "abc123",
    "created_at": "2025-01-01T00:00:00Z"
  }
}

{
  "success": false,
  "error": {
    "code": "VALIDATION_ERROR",
    "message": "Invalid request parameters"
  }
}