NFS Version 4.0 Trunking Update
RFC 8587
| Document | Type |
RFC - Proposed Standard
(May 2019; No errata)
Updates RFC 7530
|
|
|---|---|---|---|
| Last updated | 2019-05-07 | ||
| Stream | IETF | ||
| Formats | plain text html pdf htmlized bibtex | ||
| Reviews | |||
| Stream | WG state | Submitted to IESG for Publication | |
| Document shepherd | Spencer Shepler | ||
| Shepherd write-up | Show (last changed 2018-10-21) | ||
| IESG | IESG state | RFC 8587 (Proposed Standard) | |
| Consensus Boilerplate | Yes | ||
| Telechat date | |||
| Responsible AD | Spencer Dawkins | ||
| Send notices to | Spencer Shepler <spencer.shepler@gmail.com> | ||
| IANA | IANA review state | Version Changed - Review Needed | |
| IANA action state | No IANA Actions | ||
Internet Engineering Task Force (IETF) C. Lever, Ed.
Request for Comments: 8587 Oracle
Updates: 7530 D. Noveck
Category: Standards Track NetApp
ISSN: 2070-1721 May 2019
NFS Version 4.0 Trunking Update
Abstract
In NFS version 4.0, the fs_locations attribute informs clients about
alternate locations of file systems. An NFS version 4.0 client can
use this information to handle migration and replication of server
file systems. This document describes how an NFS version 4.0 client
can also use this information to discover an NFS version 4.0 server's
trunking capabilities. This document updates RFC 7530.
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 7841.
Information about the current status of this document, any errata,
and how to provide feedback on it may be obtained at
https://www.rfc-editor.org/info/rfc8587.
Copyright Notice
Copyright (c) 2019 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
(https://trustee.ietf.org/license-info) in effect on the date of
publication of this document. Please review these documents
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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.
Lever & Noveck Standards Track [Page 1]
RFC 8587 NFSv4.0 Trunking Update May 2019
Table of Contents
1. Introduction . . . . . . . . . . . . . . . . . . . . . . . . 3
2. Requirements Language . . . . . . . . . . . . . . . . . . . . 4
3. Terminology . . . . . . . . . . . . . . . . . . . . . . . . . 4
4. Document Organization . . . . . . . . . . . . . . . . . . . . 6
5. Changes within Section 8 of RFC 7530 . . . . . . . . . . . . 7
5.1. Updated Section "Location Attributes"
(Currently Section 8.1) . . . . . . . . . . . . . . . . . 8
5.2. Updates to "Uses of Location Information"
(Currently Section 8.4) . . . . . . . . . . . . . . . . . 9
5.2.1. Updates to the Introductory Text of the Current
Section 8.4 . . . . . . . . . . . . . . . . . . . . . 9
5.2.2. New Subsection Titled "Trunking Discovery and
Detection" (Becomes Section 8.4.1) . . . . . . . . . 11
5.2.3. New Subsection Titled "Location Attributes and
Selection of Connection Type" (Becomes Section 8.4.2) 12
5.2.4. Updated Section "File System Replication" (Becomes
Section 8.4.3 Retitled "File System Replication and
Trunking" . . . . . . . . . . . . . . . . . . . . . . 12
5.2.5. Updated Section "File System Migration" (Becomes
Section 8.4.4) . . . . . . . . . . . . . . . . . . . 13
5.2.6. New Subsection Titled "Interaction of Trunking,
Migration, and Replication" (Becomes Section 8.4.5) . 14
5.3. Updated Section "Location Entries and Server Identity"
(Section 8.5) . . . . . . . . . . . . . . . . . . . . . . 16
6. Updates to RFC 7530 outside Section 8 . . . . . . . . . . . . 16
7. Updates to the Security Considerations Section of RFC 7530 . 16
8. IANA Considerations . . . . . . . . . . . . . . . . . . . . . 19
9. Updates to the References Section in RFC 7530 . . . . . . . . 19
10. References . . . . . . . . . . . . . . . . . . . . . . . . . 20
10.1. Normative References . . . . . . . . . . . . . . . . . . 20
10.2. Informative References . . . . . . . . . . . . . . . . . 21
Appendix A. Section Classification . . . . . . . . . . . . . . . 22
Acknowledgments . . . . . . . . . . . . . . . . . . . . . . . . . 22
Authors' Addresses . . . . . . . . . . . . . . . . . . . . . . . 22
Lever & Noveck Standards Track [Page 2]
RFC 8587 NFSv4.0 Trunking Update May 2019
1. Introduction
The NFS version 4.0 specification [RFC7530] defines a migration
feature that enables the transfer of a file system from one server to
another without disruption of client activity. There were a number
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