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NFS Version 3 Protocol Specification (RFC1813)

IP.com Disclosure Number: IPCOM000004070D
Original Publication Date: 1995-Jun-01
Included in the Prior Art Database: 2000-Sep-13

Publishing Venue

Internet Society Requests For Comment (RFCs)

Related People

B. Callaghan: AUTHOR [+3]

Abstract

This paper describes the NFS version 3 protocol. This paper is provided so that people can write compatible implementations.

This text was extracted from a ASCII document.
This is the abbreviated version, containing approximately 1% of the total text.

Network Working Group B. Callaghan

Request for Comments: 1813 B. Pawlowski

Category: Informational P. Staubach

Sun Microsystems, Inc.

June 1995

NFS Version 3 Protocol Specification

Status of this Memo

This memo provides information for the Internet community.

This memo does not specify an Internet standard of any kind.

Distribution of this memo is unlimited.

IESG Note

Internet Engineering Steering Group comment: please note that

the IETF is not involved in creating or maintaining this

specification. This is the significance of the specification

not being on the standards track.

Abstract

This paper describes the NFS version 3 protocol. This paper is

provided so that people can write compatible implementations.

Table of Contents

1. Introduction . . . . . . . . . . . . . . . . . . . . . . . 3

1.1 Scope of the NFS version 3 protocol . . . . . . . . . . 4

1.2 Useful terms . . . . . . . . . . . . . . . . . . . . . . 5

1.3 Remote Procedure Call . . . . . . . . . . . . . . . . . 5

1.4 External Data Representation . . . . . . . . . . . . . . 5

1.5 Authentication and Permission Checking . . . . . . . . . 7

1.6 Philosophy . . . . . . . . . . . . . . . . . . . . . . . 8

1.7 Changes from the NFS version 2 protocol . . . . . . . . 11

2. RPC Information . . . . . . . . . . . . . . . . . . . . . 14

2.1 Authentication . . . . . . . . . . . . . . . . . . . . . 14

2.2 Constants . . . . . . . . . . . . . . . . . . . . . . . 14

2.3 Transport address . . . . . . . . . . . . . . . . . . . 14

2.4 Sizes . . . . . . . . . . . . . . . . . . . . . . . . . 14

2.5 Basic Data Types . . . . . . . . . . . . . . . . . . . . 15

2.6 Defined Error Numbers . . . . . . . . . . . . . . . . . 17

3. Server Procedures . . . . . . . . . . . . . . . . . . . . 27

3.1 General comments on attributes . . . . . . . . . . . . . 29

3.2 General comments on filenames . . . . . . . . . . . . . 30

3.3.0 NULL: Do nothing . . . . . . . . . . . . . . . . . . . . 31

3.3.1 GETATTR: Get file attributes . . . . . . . . . . . . . . 32

3.3.2 SETATTR: Set file attributes . . . . . . . . . . . . . . 33

3.3.3 LOOKUP: Lookup filename . . . . . . . . . . . . . . . . 37

3.3.4 ACCESS: Check access permission . . . . . . . . . . . . 40

3.3.5 READLINK: Read from symbolic link ....