[nfsv4] [Errata Held for Document Update] RFC5661 (2505)
RFC Errata System <rfc-editor@rfc-editor.org> Fri, 25 October 2019 08:27 UTC
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Subject: [nfsv4] [Errata Held for Document Update] RFC5661 (2505)
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The following errata report has been held for document update for RFC5661, "Network File System (NFS) Version 4 Minor Version 1 Protocol". -------------------------------------- You may review the report below and at: https://www.rfc-editor.org/errata/eid2505 -------------------------------------- Status: Held for Document Update Type: Technical Reported by: Michael Eisler <mre-ietf@eisler.com> Date Reported: 2010-08-31 Held by: Magnus Westerlund (IESG) Section: 12.5.4. Original Text ------------- Because of this inconsistency, it is necessary to resynchronize the client with the metadata server and its storage devices and make any potential changes available to other clients. AND For file-based layouts, synchronization of attributes between the metadata and storage devices, primarily the size attribute, is required. Corrected Text -------------- Because of this inconsistency, in general, it is necessary to resynchronize the client with the metadata server and its storage devices and make any potential changes available to other clients. AND For file-based layouts, synchronization of attributes between the metadata and storage devices, primarily the size attribute, is not required, but the use of LAYOUTCOMMIT provides a way to optimize the synchronization. Indeed, if a LAYOUT4_NFSV4_1_FILES layout is ever revoked, the metadata server MUST direct all data servers to commit any modified data of the file to stable storage, and synchronize the file's size and time_modify attributes on the metadata server with the those on the data server. Notes ----- Without this correction, the implication is that a file could be truncated if a LAYOUT4_NFSV4_1_FILES layout was revoked before LAYOUTCOMMIT, which would then mean that every append operation to a data server would require a LAYOUTCOMMIT, which is an absurd consequence. -------------------------------------- RFC5661 (draft-ietf-nfsv4-minorversion1-29) -------------------------------------- Title : Network File System (NFS) Version 4 Minor Version 1 Protocol Publication Date : January 2010 Author(s) : S. Shepler, Ed., M. Eisler, Ed., D. Noveck, Ed. Category : PROPOSED STANDARD Source : Network File System Version 4 Area : Transport Stream : IETF Verifying Party : IESG
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