Network File System (NFS) Version 4 Minor Version 1 Protocol
RFC 5661
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RFC - Proposed Standard
(January 2010; Errata)
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2015-10-14
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IETF
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(None)
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RFC 5661 (Proposed Standard)
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Lars Eggert
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Internet Engineering Task Force (IETF) S. Shepler, Ed.
Request for Comments: 5661 Storspeed, Inc.
Category: Standards Track M. Eisler, Ed.
ISSN: 2070-1721 D. Noveck, Ed.
NetApp
January 2010
Network File System (NFS) Version 4 Minor Version 1 Protocol
Abstract
This document describes the Network File System (NFS) version 4 minor
version 1, including features retained from the base protocol (NFS
version 4 minor version 0, which is specified in RFC 3530) and
protocol extensions made subsequently. Major extensions introduced
in NFS version 4 minor version 1 include Sessions, Directory
Delegations, and parallel NFS (pNFS). NFS version 4 minor version 1
has no dependencies on NFS version 4 minor version 0, and it is
considered a separate protocol. Thus, this document neither updates
nor obsoletes RFC 3530. NFS minor version 1 is deemed superior to
NFS minor version 0 with no loss of functionality, and its use is
preferred over version 0. Both NFS minor versions 0 and 1 can be
used simultaneously on the same network, between the same client and
server.
Status of This Memo
This is an Internet Standards Track document.
This document is a product of the Internet Engineering Task Force
(IETF). It represents the consensus of the IETF community. It has
received public review and has been approved for publication by the
Internet Engineering Steering Group (IESG). Further information on
Internet Standards is available in Section 2 of RFC 5741.
Information about the current status of this document, any errata,
and how to provide feedback on it may be obtained at
http://www.rfc-editor.org/info/rfc5661.
Shepler, et al. Standards Track [Page 1]
RFC 5661 NFSv4.1 January 2010
Copyright Notice
Copyright (c) 2010 IETF Trust and the persons identified as the
document authors. All rights reserved.
This document is subject to BCP 78 and the IETF Trust's Legal
Provisions Relating to IETF Documents
(http://trustee.ietf.org/license-info) in effect on the date of
publication of this document. Please review these documents
carefully, as they describe your rights and restrictions with respect
to this document. Code Components extracted from this document must
include Simplified BSD License text as described in Section 4.e of
the Trust Legal Provisions and are provided without warranty as
described in the Simplified BSD License.
Shepler, et al. Standards Track [Page 2]
RFC 5661 NFSv4.1 January 2010
Table of Contents
1. Introduction ....................................................9
1.1. The NFS Version 4 Minor Version 1 Protocol .................9
1.2. Requirements Language ......................................9
1.3. Scope of This Document .....................................9
1.4. NFSv4 Goals ...............................................10
1.5. NFSv4.1 Goals .............................................10
1.6. General Definitions .......................................11
1.7. Overview of NFSv4.1 Features ..............................13
1.8. Differences from NFSv4.0 ..................................17
2. Core Infrastructure ............................................18
2.1. Introduction ..............................................18
2.2. RPC and XDR ...............................................19
2.3. COMPOUND and CB_COMPOUND ..................................22
2.4. Client Identifiers and Client Owners ......................23
2.5. Server Owners .............................................28
2.6. Security Service Negotiation ..............................29
2.7. Minor Versioning ..........................................34
2.8. Non-RPC-Based Security Services ...........................37
2.9. Transport Layers ..........................................37
2.10. Session ..................................................40
3. Protocol Constants and Data Types ..............................86
3.1. Basic Constants ...........................................86
3.2. Basic Data Types ..........................................87
3.3. Structured Data Types .....................................89
4. Filehandles ....................................................97
4.1. Obtaining the First Filehandle ............................98
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