def METHOD_NAME(disk_node: Optional[pulumi.Input[Optional[str]]] = None,
                          disk_path: Optional[pulumi.Input[Optional[str]]] = None,
                          gateway_arn: Optional[pulumi.Input[str]] = None,
                          opts: Optional[pulumi.InvokeOptions] = None) -> pulumi.Output[GetLocalDiskResult]:
    """
    Retrieve information about a Storage Gateway local disk. The disk identifier is useful for adding the disk as a cache or upload buffer to a gateway.
    ## Example Usage
    ```python
    import pulumi
    import pulumi_aws as aws
    test = aws.storagegateway.get_local_disk(disk_path=aws_volume_attachment["test"]["device_name"],
        gateway_arn=aws_storagegateway_gateway["test"]["arn"])
    ```
    :param str disk_node: Device node of the local disk to retrieve. For example, `/dev/sdb`.
    :param str disk_path: Device path of the local disk to retrieve. For example, `/dev/xvdb` or `/dev/nvme1n1`.
    :param str gateway_arn: ARN of the gateway.
    """
    ...