Dial connects to a JSON-RPC server at the specified network address.

ensure logical volume name length not exceed 63.

GenerateDeviceTempBackingFile creates and attaches a small file to a loop device and return the attached loop device.

NewClient returns a new rpc.Client to handle requests to the set of services at the other end of the connection.

NewClientCodec returns a new rpc.ClientCodec using JSON-RPC on conn.