Returns the description of a specific Amazon EFS file system if either the file system
CreationToken or the
FileSystemId is provided. Otherwise, it
returns descriptions of all file systems owned by the caller's Amazon Web Services account in the
Amazon Web Services Region of the endpoint that you're calling.
When retrieving all file system descriptions, you can optionally specify the
MaxItems parameter to limit the number of descriptions in a response.
This number is automatically set to 100. If more file system descriptions remain,
Amazon EFS returns a
NextMarker, an opaque token, in the response. In this case,
you should send a subsequent request with the
Marker request parameter set to the
To retrieve a list of your file system descriptions, this operation is used in an
iterative process, where
DescribeFileSystems is called first without the
Marker and then the operation continues to call it with the
parameter set to the value of the
NextMarker from the previous response until the
response has no
The order of file systems returned in the response of one
DescribeFileSystems call and the order of file systems returned across the
responses of a multi-call iteration is unspecified.
This operation requires permissions for the