draft-ietf-nfsv4-migration-issues-06.txt   draft-ietf-nfsv4-migration-issues-07.txt 
NFSv4 D. Noveck, Ed. NFSv4 D. Noveck, Ed.
Internet-Draft Dell Internet-Draft Dell
Intended status: Informational P. Shivam Intended status: Informational P. Shivam
Expires: March 14, 2015 C. Lever Expires: September 3, 2015 C. Lever
B. Baker B. Baker
ORACLE ORACLE
September 10, 2014 March 2, 2015
NFSv4 migration: Implementation experience and spec issues to resolve NFSv4 migration: Implementation experience and spec issues to resolve
draft-ietf-nfsv4-migration-issues-06 draft-ietf-nfsv4-migration-issues-07
Abstract Abstract
The migration feature of NFSv4 provides for moving responsibility for The migration feature of NFSv4 provides for moving responsibility for
a single filesystem from one server to another, without disruption to a single filesystem from one server to another, without disruption to
clients. Recent implementation experience has shown problems in the clients. Recent implementation experience has shown problems in the
existing specification for this feature. This document discusses the existing specification for this feature. This document discusses the
issues which have arisen, explores the options available for curing issues which have arisen, explores the options available for curing
the issues, and explains the choices made in updating the NFSv4.0 and the issues, and explains the choices made in updating the NFSv4.0 and
NFSv4.1 specifications, to address migration. NFSv4.1 specifications, to address migration.
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Internet-Drafts are working documents of the Internet Engineering Internet-Drafts are working documents of the Internet Engineering
Task Force (IETF). Note that other groups may also distribute Task Force (IETF). Note that other groups may also distribute
working documents as Internet-Drafts. The list of current Internet- working documents as Internet-Drafts. The list of current Internet-
Drafts is at http://datatracker.ietf.org/drafts/current/. Drafts is at http://datatracker.ietf.org/drafts/current/.
Internet-Drafts are draft documents valid for a maximum of six months Internet-Drafts are draft documents valid for a maximum of six months
and may be updated, replaced, or obsoleted by other documents at any and may be updated, replaced, or obsoleted by other documents at any
time. It is inappropriate to use Internet-Drafts as reference time. It is inappropriate to use Internet-Drafts as reference
material or to cite them other than as "work in progress." material or to cite them other than as "work in progress."
This Internet-Draft will expire on March 14, 2015. This Internet-Draft will expire on September 3, 2015.
Copyright Notice Copyright Notice
Copyright (c) 2014 IETF Trust and the persons identified as the Copyright (c) 2015 IETF Trust and the persons identified as the
document authors. All rights reserved. document authors. All rights reserved.
This document is subject to BCP 78 and the IETF Trust's Legal This document is subject to BCP 78 and the IETF Trust's Legal
Provisions Relating to IETF Documents Provisions Relating to IETF Documents
(http://trustee.ietf.org/license-info) in effect on the date of (http://trustee.ietf.org/license-info) in effect on the date of
publication of this document. Please review these documents publication of this document. Please review these documents
carefully, as they describe your rights and restrictions with respect carefully, as they describe your rights and restrictions with respect
to this document. Code Components extracted from this document must to this document. Code Components extracted from this document must
include Simplified BSD License text as described in Section 4.e of include Simplified BSD License text as described in Section 4.e of
the Trust Legal Provisions and are provided without warranty as the Trust Legal Provisions and are provided without warranty as
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these are now stale but if NFS4ERR_STALE is not received, he these are now stale but if NFS4ERR_STALE is not received, he
can proceed to reclaim his opens. can proceed to reclaim his opens.
* When eir_server_scope and eir_server_owner.so_major_id remain * When eir_server_scope and eir_server_owner.so_major_id remain
the same, the client has to use the now-current values of the same, the client has to use the now-current values of
eir_server-owner.so_minor_id in deciding on appropriate forms eir_server-owner.so_minor_id in deciding on appropriate forms
of trunking. of trunking.
8. Security Considerations 8. Security Considerations
The current definitive definitions of the NFSv4.0 protocol, [RFC3530] With regard to NFSv4.0, the current definitive definitions of the
and [RFC3530bis] both agree. The section entitled "Security protocol, [RFC3530] and [RFC3530bis] both agree. The section
Considerations" encourages that clients protect the integrity of the entitled "Security Considerations" encourages that clients protect
SECINFO operation, any GETATTR operation for the fs_locations the integrity of the SECINFO operation, any GETATTR operation for the
attribute, and the operations SETCLIENTID/SETCLIENTID_CONFIRM. A fs_locations attribute, and the operations SETCLIENTID/
migration recovery event can use any or all of these operations. We SETCLIENTID_CONFIRM. A migration recovery event can use any or all
do not recommend any change here. of these operations. We do not recommend any change here.
With regard to NFSv4.1, the Security Considerations section of
[RFC5661] takes proper care of migration-related issues. No change
is needed.
9. IANA Considerations 9. IANA Considerations
This document does not require actions by IANA. This document does not require actions by IANA.
10. Acknowledgements 10. Acknowledgements
The editor and authors of this document gratefully acknowledge the The editor and authors of this document gratefully acknowledge the
contributions of Trond Myklebust of NetApp and Robert Thurlow of contributions of Trond Myklebust of NetApp and Robert Thurlow of
Oracle. We also thank Tom Haynes of NetApp and Spencer Shepler of Oracle. We also thank Tom Haynes of NetApp and Spencer Shepler of
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[RFC2119] Bradner, S., "Key words for use in RFCs to Indicate [RFC2119] Bradner, S., "Key words for use in RFCs to Indicate
Requirement Levels", BCP 14, RFC 2119, March 1997. Requirement Levels", BCP 14, RFC 2119, March 1997.
[RFC3530] Shepler, S., Callaghan, B., Robinson, D., Thurlow, R., [RFC3530] Shepler, S., Callaghan, B., Robinson, D., Thurlow, R.,
Beame, C., Eisler, M., and D. Noveck, "Network File System Beame, C., Eisler, M., and D. Noveck, "Network File System
(NFS) version 4 Protocol", RFC 3530, April 2003. (NFS) version 4 Protocol", RFC 3530, April 2003.
[RFC3530bis] [RFC3530bis]
Haynes, T., Ed. and D. Noveck, Ed., "Network File System Haynes, T., Ed. and D. Noveck, Ed., "Network File System
(NFS) Version 4 Protocol", 2014, <http://www.ietf.org/id/ (NFS) Version 4 Protocol", 2014, <http://www.ietf.org/id/
draft-ietf-nfsv4-rfc3530bis-33.txt>. draft-ietf-nfsv4-rfc3530bis-35.txt>.
Work in progress. Work in progress.
[RFC5661] Shepler, S., Eisler, M., and D. Noveck, "Network File [RFC5661] Shepler, S., Eisler, M., and D. Noveck, "Network File
System (NFS) Version 4 Minor Version 1 Protocol", RFC System (NFS) Version 4 Minor Version 1 Protocol", RFC
5661, January 2010. 5661, January 2010.
11.2. Informative References 11.2. Informative References
[NFS-ext] Noveck, D., "NFS Protocol Extension: Retrospect and [NFS-ext] Noveck, D., "NFS Protocol Extension: Retrospect and
Prospect", 2014, <http://www.ietf.org/id/ Prospect", 2014, <http://www.ietf.org/id/
draft-dnoveck-nfs-extension-01.txt>. draft-dnoveck-nfs-extension-01.txt>.
Work in progress. Work in progress.
[migr-v4.0-update] [migr-v4.0-update]
Noveck, D., Ed., Shivam, P., Lever, C., and B. Baker, Noveck, D., Ed., Shivam, P., Lever, C., and B. Baker,
"NFSv4.0 migration: Specification Update", 2014, "NFSv4.0 migration: Specification Update", 2015,
<http://www.ietf.org/id/ <http://www.ietf.org/id/
draft-ietf-nfsv4-rfc3530-migration-update-04.txt>. draft-ietf-nfsv4-rfc3530-migration-update-06.txt>.
Work in progress. Work in progress.
Authors' Addresses Authors' Addresses
David Noveck (editor) David Noveck (editor)
Dell Dell
300 Innovative Way 300 Innovative Way
Nashua, NH 03062 Nashua, NH 03062
US US
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