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    <title type="text">I-D list for Network File System Version 4 RSS Feed</title>
    <subtitle type="text">Document changes</subtitle>
    <id>urn:uuid:b3d571ad-abff-53bb-b3df-bf56703eacb2</id>
    <updated>2026-08-17T18:53:34.344512+00:00</updated>
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    <entry>
        
        <title>Adding an Uncacheable File Data Attribute to NFSv4.2</title>
        

        <link href="/doc/draft-ietf-nfsv4-uncacheable-files/"/>

        <id>urn:datatracker-ietf-org:event:1219648</id>
        
        <updated>2026-08-14T23:56:36+00:00</updated>
        
        <published>2026-08-14T23:56:36+00:00</published>
        
        <author>
            <name>(System)</name>
        </author>

        <content type="html">IANA Review state changed to &lt;b&gt;IANA OK - No Actions Needed&lt;/b&gt; from IANA - Review Needed</content>

        <ietf xmlns="http://ietf.org/atom/datatracker/community">
          <type>changed_state</type>
          <stream>ietf</stream>
          <group>nfsv4</group>
          <shepherd>Chuck Lever</shepherd>
          <ad>Gorry Fairhurst</ad>
          
          <state type="draft">active</state>
          
          <state type="draft-iana-review">ok-noact</state>
          
          <state type="draft-iesg">lc</state>
          
          <state type="draft-stream-ietf">sub-pub</state>
          
          
	  
        </ietf>
    </entry>
    
    <entry>
        
        <title>Adding an Uncacheable File Data Attribute to NFSv4.2</title>
        

        <link href="/doc/draft-ietf-nfsv4-uncacheable-files/"/>

        <id>urn:datatracker-ietf-org:event:1218587</id>
        
        <updated>2026-08-13T15:23:25.772606+00:00</updated>
        
        <published>2026-08-13T15:23:25.772606+00:00</published>
        
        <author>
            <name>Barry Leiba</name>
        </author>

        <content type="html">Request for IETF Last Call review by SECDIR Completed: Ready. Reviewer: Barry Leiba. Sent review to list.</content>

        <ietf xmlns="http://ietf.org/atom/datatracker/community">
          <type>closed_review_assignment</type>
          <stream>ietf</stream>
          <group>nfsv4</group>
          <shepherd>Chuck Lever</shepherd>
          <ad>Gorry Fairhurst</ad>
          
          <state type="draft">active</state>
          
          <state type="draft-iana-review">ok-noact</state>
          
          <state type="draft-iesg">lc</state>
          
          <state type="draft-stream-ietf">sub-pub</state>
          
          
	  
        </ietf>
    </entry>
    
    <entry>
        
        <title>Adding an Uncacheable File Data Attribute to NFSv4.2</title>
        

        <link href="/doc/draft-ietf-nfsv4-uncacheable-files/"/>

        <id>urn:datatracker-ietf-org:event:1218400</id>
        
        <updated>2026-08-12T21:22:46.752526+00:00</updated>
        
        <published>2026-08-12T21:22:46.752526+00:00</published>
        
        <author>
            <name>Barry Leiba</name>
        </author>

        <content type="html">Request for IETF Last Call review by ARTART is assigned to Claudio Allocchio</content>

        <ietf xmlns="http://ietf.org/atom/datatracker/community">
          <type>assigned_review_request</type>
          <stream>ietf</stream>
          <group>nfsv4</group>
          <shepherd>Chuck Lever</shepherd>
          <ad>Gorry Fairhurst</ad>
          
          <state type="draft">active</state>
          
          <state type="draft-iana-review">ok-noact</state>
          
          <state type="draft-iesg">lc</state>
          
          <state type="draft-stream-ietf">sub-pub</state>
          
          
	  
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    </entry>
    
    <entry>
        
        <title>Adding an Uncacheable File Data Attribute to NFSv4.2</title>
        

        <link href="/doc/draft-ietf-nfsv4-uncacheable-files/"/>

        <id>urn:datatracker-ietf-org:event:1218339</id>
        
        <updated>2026-08-12T15:47:17.875170+00:00</updated>
        
        <published>2026-08-12T15:47:17.875170+00:00</published>
        
        <author>
            <name>Vijay Gurbani</name>
        </author>

        <content type="html">Request for IETF Last Call review by GENART Completed: Ready. Reviewer: Vijay Gurbani. Sent review to list.</content>

        <ietf xmlns="http://ietf.org/atom/datatracker/community">
          <type>closed_review_assignment</type>
          <stream>ietf</stream>
          <group>nfsv4</group>
          <shepherd>Chuck Lever</shepherd>
          <ad>Gorry Fairhurst</ad>
          
          <state type="draft">active</state>
          
          <state type="draft-iana-review">ok-noact</state>
          
          <state type="draft-iesg">lc</state>
          
          <state type="draft-stream-ietf">sub-pub</state>
          
          
	  
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    </entry>
    
    <entry>
        
        <title>Adding an Uncacheable File Data Attribute to NFSv4.2</title>
        

        <link href="/doc/draft-ietf-nfsv4-uncacheable-files/"/>

        <id>urn:datatracker-ietf-org:event:1218088</id>
        
        <updated>2026-08-11T13:20:43.390036+00:00</updated>
        
        <published>2026-08-11T13:20:43.390036+00:00</published>
        
        <author>
            <name>Jean Mahoney</name>
        </author>

        <content type="html">Request for IETF Last Call review by GENART is assigned to Vijay Gurbani</content>

        <ietf xmlns="http://ietf.org/atom/datatracker/community">
          <type>assigned_review_request</type>
          <stream>ietf</stream>
          <group>nfsv4</group>
          <shepherd>Chuck Lever</shepherd>
          <ad>Gorry Fairhurst</ad>
          
          <state type="draft">active</state>
          
          <state type="draft-iana-review">ok-noact</state>
          
          <state type="draft-iesg">lc</state>
          
          <state type="draft-stream-ietf">sub-pub</state>
          
          
	  
        </ietf>
    </entry>
    
    <entry>
        
        <title>Adding an Uncacheable File Data Attribute to NFSv4.2</title>
        

        <link href="/doc/draft-ietf-nfsv4-uncacheable-files/"/>

        <id>urn:datatracker-ietf-org:event:1218036</id>
        
        <updated>2026-08-11T09:33:05.236488+00:00</updated>
        
        <published>2026-08-11T09:33:05.236488+00:00</published>
        
        <author>
            <name>Tero Kivinen</name>
        </author>

        <content type="html">Request for IETF Last Call review by SECDIR is assigned to Barry Leiba</content>

        <ietf xmlns="http://ietf.org/atom/datatracker/community">
          <type>assigned_review_request</type>
          <stream>ietf</stream>
          <group>nfsv4</group>
          <shepherd>Chuck Lever</shepherd>
          <ad>Gorry Fairhurst</ad>
          
          <state type="draft">active</state>
          
          <state type="draft-iana-review">ok-noact</state>
          
          <state type="draft-iesg">lc</state>
          
          <state type="draft-stream-ietf">sub-pub</state>
          
          
	  
        </ietf>
    </entry>
    
    <entry>
        
        <title>Adding an Uncacheable File Data Attribute to NFSv4.2</title>
        

        <link href="/doc/draft-ietf-nfsv4-uncacheable-files/"/>

        <id>urn:datatracker-ietf-org:event:1217878</id>
        
        <updated>2026-08-10T16:10:29.467371+00:00</updated>
        
        <published>2026-08-10T16:10:29.467371+00:00</published>
        
        <author>
            <name>Morgan Condie</name>
        </author>

        <content type="html">IANA Review state changed to &lt;b&gt;IANA - Review Needed&lt;/b&gt;</content>

        <ietf xmlns="http://ietf.org/atom/datatracker/community">
          <type>changed_state</type>
          <stream>ietf</stream>
          <group>nfsv4</group>
          <shepherd>Chuck Lever</shepherd>
          <ad>Gorry Fairhurst</ad>
          
          <state type="draft">active</state>
          
          <state type="draft-iana-review">ok-noact</state>
          
          <state type="draft-iesg">lc</state>
          
          <state type="draft-stream-ietf">sub-pub</state>
          
          
	  
        </ietf>
    </entry>
    
    <entry>
        
        <title>Last Call Issued: Adding an Uncacheable File Data Attribute to NFSv4.2</title>
        

        <link href="/doc/draft-ietf-nfsv4-uncacheable-files/"/>

        <id>urn:datatracker-ietf-org:event:1217877</id>
        
        <updated>2026-08-10T16:10:29.440612+00:00</updated>
        
        <published>2026-08-10T16:10:29.440612+00:00</published>
        
        <author>
            <name>Morgan Condie</name>
        </author>

        <content type="html">The following Last Call announcement was sent out (ends 2026-08-24):&lt;br&gt;&lt;br&gt;From: The IESG &lt;iesg-secretary@ietf.org&gt;&lt;br&gt;To: IETF-Announce &lt;ietf-announce@ietf.org&gt;&lt;br&gt;CC: cel-ietf@chucklever.net, draft-ietf-nfsv4-uncacheable-files@ietf.org, gorry@erg.abdn.ac.uk, nfsv4-chairs@ietf.org, nfsv4@ietf.org&lt;br&gt;Reply-To: last-call@ietf.org&lt;br&gt;Sender: &lt;iesg-secretary@ietf.org&gt;&lt;br&gt;Subject: Last Call: &lt;draft-ietf-nfsv4-uncacheable-files-11.txt&gt; (Adding an Uncacheable File Data Attribute to NFSv4.2) to Proposed Standard&lt;br&gt;&lt;br&gt;&lt;br&gt;The IESG has received a request from the Network File System Version 4 WG&lt;br&gt;(nfsv4) to consider the following document: - &#x27;Adding an Uncacheable File&lt;br&gt;Data Attribute to NFSv4.2&#x27;&lt;br&gt;  &lt;draft-ietf-nfsv4-uncacheable-files-11.txt&gt; as Proposed Standard&lt;br&gt;&lt;br&gt;The IESG plans to make a decision in the next few weeks, and solicits final&lt;br&gt;comments on this action. Please send substantive comments to the&lt;br&gt;last-call@ietf.org mailing lists by 2026-08-24. Exceptionally, comments may&lt;br&gt;be sent to iesg@ietf.org instead. In either case, please retain the beginning&lt;br&gt;of the Subject line to allow automated sorting.&lt;br&gt;&lt;br&gt;Abstract&lt;br&gt;&lt;br&gt;&lt;br&gt;   Network File System version 4.2 (NFSv4.2) clients commonly perform&lt;br&gt;   client-side caching of file data in order to improve performance.  On&lt;br&gt;   some systems, applications may influence client data caching&lt;br&gt;   behavior, but there is no standardized mechanism for a server or&lt;br&gt;   administrator to indicate that particular file data should not be&lt;br&gt;   cached by clients for reasons of performance or correctness.  This&lt;br&gt;   document introduces a new file data caching attribute for NFSv4.2.&lt;br&gt;   Files marked with this attribute are intended to be accessed with&lt;br&gt;   client-side caching of file data suppressed, in order to support&lt;br&gt;   workloads that require predictable data visibility.  This document&lt;br&gt;   extends NFSv4.2.&lt;br&gt;&lt;br&gt;&lt;br&gt;&lt;br&gt;&lt;br&gt;The file can be obtained via&lt;br&gt;https://datatracker.ietf.org/doc/draft-ietf-nfsv4-uncacheable-files/&lt;br&gt;&lt;br&gt;&lt;br&gt;&lt;br&gt;No IPR declarations have been submitted directly on this I-D.&lt;br&gt;&lt;br&gt;&lt;br&gt;&lt;br&gt;&lt;br&gt;</content>

        <ietf xmlns="http://ietf.org/atom/datatracker/community">
          <type>sent_last_call</type>
          <stream>ietf</stream>
          <group>nfsv4</group>
          <shepherd>Chuck Lever</shepherd>
          <ad>Gorry Fairhurst</ad>
          
          <state type="draft">active</state>
          
          <state type="draft-iana-review">ok-noact</state>
          
          <state type="draft-iesg">lc</state>
          
          <state type="draft-stream-ietf">sub-pub</state>
          
          
	  
        </ietf>
    </entry>
    
    <entry>
        
        <title>Adding an Uncacheable File Data Attribute to NFSv4.2</title>
        

        <link href="/doc/draft-ietf-nfsv4-uncacheable-files/"/>

        <id>urn:datatracker-ietf-org:event:1217876</id>
        
        <updated>2026-08-10T16:10:29.341457+00:00</updated>
        
        <published>2026-08-10T16:10:29.341457+00:00</published>
        
        <author>
            <name>Morgan Condie</name>
        </author>

        <content type="html">IESG state changed to &lt;b&gt;In Last Call&lt;/b&gt; from Last Call Requested</content>

        <ietf xmlns="http://ietf.org/atom/datatracker/community">
          <type>changed_state</type>
          <stream>ietf</stream>
          <group>nfsv4</group>
          <shepherd>Chuck Lever</shepherd>
          <ad>Gorry Fairhurst</ad>
          
          <state type="draft">active</state>
          
          <state type="draft-iana-review">ok-noact</state>
          
          <state type="draft-iesg">lc</state>
          
          <state type="draft-stream-ietf">sub-pub</state>
          
          
	  
        </ietf>
    </entry>
    
    <entry>
        
        <title>Adding an Uncacheable File Data Attribute to NFSv4.2</title>
        

        <link href="/doc/draft-ietf-nfsv4-uncacheable-files/"/>

        <id>urn:datatracker-ietf-org:event:1217875</id>
        
        <updated>2026-08-10T16:09:53.108974+00:00</updated>
        
        <published>2026-08-10T16:09:53.108974+00:00</published>
        
        <author>
            <name>Morgan Condie</name>
        </author>

        <content type="html">Last call announcement was generated</content>

        <ietf xmlns="http://ietf.org/atom/datatracker/community">
          <type>changed_last_call_text</type>
          <stream>ietf</stream>
          <group>nfsv4</group>
          <shepherd>Chuck Lever</shepherd>
          <ad>Gorry Fairhurst</ad>
          
          <state type="draft">active</state>
          
          <state type="draft-iana-review">ok-noact</state>
          
          <state type="draft-iesg">lc</state>
          
          <state type="draft-stream-ietf">sub-pub</state>
          
          
	  
        </ietf>
    </entry>
    
    <entry>
        
        <title>Internationalization for the NFSv4 Protocols</title>
        

        <link href="/doc/draft-ietf-nfsv4-internationalization/"/>

        <id>urn:datatracker-ietf-org:event:1217646</id>
        
        <updated>2026-08-08T07:54:40.999353+00:00</updated>
        
        <published>2026-08-08T07:54:40.999353+00:00</published>
        
        <author>
            <name>Gorry Fairhurst</name>
        </author>

        <content type="html">IETF-LC comments resulted in -17 and continue to be received. &lt;br&gt;A further revision may be needed, unless all agree the document is now ready.&lt;br&gt;&lt;br&gt;Please send any comments/requests relating to this latest version by noon your time on Friday 14th August 2026</content>

        <ietf xmlns="http://ietf.org/atom/datatracker/community">
          <type>added_comment</type>
          <stream>ietf</stream>
          <group>nfsv4</group>
          <shepherd>Brian Pawlowski</shepherd>
          <ad>Gorry Fairhurst</ad>
          
          <state type="draft">active</state>
          
          <state type="draft-iana-review">changed</state>
          
          <state type="draft-iesg">goaheadw</state>
          
          <state type="draft-stream-ietf">sub-pub</state>
          
          
	  
        </ietf>
    </entry>
    
    <entry>
        
        <title>Adding an Uncacheable File Data Attribute to NFSv4.2</title>
        

        <link href="/doc/draft-ietf-nfsv4-uncacheable-files/"/>

        <id>urn:datatracker-ietf-org:event:1217645</id>
        
        <updated>2026-08-08T07:48:01.706358+00:00</updated>
        
        <published>2026-08-08T07:48:01.706358+00:00</published>
        
        <author>
            <name>Gorry Fairhurst</name>
        </author>

        <content type="html">Last call was requested</content>

        <ietf xmlns="http://ietf.org/atom/datatracker/community">
          <type>requested_last_call</type>
          <stream>ietf</stream>
          <group>nfsv4</group>
          <shepherd>Chuck Lever</shepherd>
          <ad>Gorry Fairhurst</ad>
          
          <state type="draft">active</state>
          
          <state type="draft-iana-review">ok-noact</state>
          
          <state type="draft-iesg">lc</state>
          
          <state type="draft-stream-ietf">sub-pub</state>
          
          
	  
        </ietf>
    </entry>
    
    <entry>
        
        <title>Adding an Uncacheable File Data Attribute to NFSv4.2</title>
        

        <link href="/doc/draft-ietf-nfsv4-uncacheable-files/"/>

        <id>urn:datatracker-ietf-org:event:1217644</id>
        
        <updated>2026-08-08T07:48:01.524287+00:00</updated>
        
        <published>2026-08-08T07:48:01.524287+00:00</published>
        
        <author>
            <name>Gorry Fairhurst</name>
        </author>

        <content type="html">Last call announcement was generated</content>

        <ietf xmlns="http://ietf.org/atom/datatracker/community">
          <type>changed_last_call_text</type>
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          <group>nfsv4</group>
          <shepherd>Chuck Lever</shepherd>
          <ad>Gorry Fairhurst</ad>
          
          <state type="draft">active</state>
          
          <state type="draft-iana-review">ok-noact</state>
          
          <state type="draft-iesg">lc</state>
          
          <state type="draft-stream-ietf">sub-pub</state>
          
          
	  
        </ietf>
    </entry>
    
    <entry>
        
        <title>Adding an Uncacheable File Data Attribute to NFSv4.2</title>
        

        <link href="/doc/draft-ietf-nfsv4-uncacheable-files/"/>

        <id>urn:datatracker-ietf-org:event:1217643</id>
        
        <updated>2026-08-08T07:48:01.028432+00:00</updated>
        
        <published>2026-08-08T07:48:01.028432+00:00</published>
        
        <author>
            <name>Gorry Fairhurst</name>
        </author>

        <content type="html">IESG state changed to &lt;b&gt;Last Call Requested&lt;/b&gt; from AD Evaluation::AD Followup</content>

        <ietf xmlns="http://ietf.org/atom/datatracker/community">
          <type>changed_state</type>
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          <group>nfsv4</group>
          <shepherd>Chuck Lever</shepherd>
          <ad>Gorry Fairhurst</ad>
          
          <state type="draft">active</state>
          
          <state type="draft-iana-review">ok-noact</state>
          
          <state type="draft-iesg">lc</state>
          
          <state type="draft-stream-ietf">sub-pub</state>
          
          
	  
        </ietf>
    </entry>
    
    <entry>
        
        <title>Adding an Uncacheable File Data Attribute to NFSv4.2</title>
        

        <link href="/doc/draft-ietf-nfsv4-uncacheable-files/"/>

        <id>urn:datatracker-ietf-org:event:1217642</id>
        
        <updated>2026-08-08T07:47:20.933643+00:00</updated>
        
        <published>2026-08-08T07:47:20.933643+00:00</published>
        
        <author>
            <name>Gorry Fairhurst</name>
        </author>

        <content type="html">RFC Editor Note was changed to &lt;br&gt;&lt;br&gt;RFC Editor Note&lt;br&gt;&lt;br&gt;Please remove &quot;Note to Readers&quot; after the abstract when published.&lt;br&gt;&lt;br&gt;</content>

        <ietf xmlns="http://ietf.org/atom/datatracker/community">
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          <shepherd>Chuck Lever</shepherd>
          <ad>Gorry Fairhurst</ad>
          
          <state type="draft">active</state>
          
          <state type="draft-iana-review">ok-noact</state>
          
          <state type="draft-iesg">lc</state>
          
          <state type="draft-stream-ietf">sub-pub</state>
          
          
	  
        </ietf>
    </entry>
    
    <entry>
        
        <title>Adding an Uncacheable File Data Attribute to NFSv4.2</title>
        

        <link href="/doc/draft-ietf-nfsv4-uncacheable-files/"/>

        <id>urn:datatracker-ietf-org:event:1217641</id>
        
        <updated>2026-08-08T07:47:20.876512+00:00</updated>
        
        <published>2026-08-08T07:47:20.876512+00:00</published>
        
        <author>
            <name>Gorry Fairhurst</name>
        </author>

        <content type="html">RFC Editor Note for ballot was generated</content>

        <ietf xmlns="http://ietf.org/atom/datatracker/community">
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          <shepherd>Chuck Lever</shepherd>
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          <state type="draft-iana-review">ok-noact</state>
          
          <state type="draft-iesg">lc</state>
          
          <state type="draft-stream-ietf">sub-pub</state>
          
          
	  
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    </entry>
    
    <entry>
        
        <title>Adding an Uncacheable File Data Attribute to NFSv4.2</title>
        

        <link href="/doc/draft-ietf-nfsv4-uncacheable-files/"/>

        <id>urn:datatracker-ietf-org:event:1217640</id>
        
        <updated>2026-08-08T07:46:59.177106+00:00</updated>
        
        <published>2026-08-08T07:46:59.177106+00:00</published>
        
        <author>
            <name>Gorry Fairhurst</name>
        </author>

        <content type="html">RFC Editor Note for ballot was generated</content>

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          <shepherd>Chuck Lever</shepherd>
          <ad>Gorry Fairhurst</ad>
          
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          <state type="draft-iana-review">ok-noact</state>
          
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          <state type="draft-stream-ietf">sub-pub</state>
          
          
	  
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    </entry>
    
    <entry>
        
        <title>Adding an Uncacheable File Data Attribute to NFSv4.2</title>
        

        <link href="/doc/draft-ietf-nfsv4-uncacheable-files/"/>

        <id>urn:datatracker-ietf-org:event:1217637</id>
        
        <updated>2026-08-08T07:12:46.520262+00:00</updated>
        
        <published>2026-08-08T07:12:46.520262+00:00</published>
        
        <author>
            <name>Gorry Fairhurst</name>
        </author>

        <content type="html">Ballot writeup was changed</content>

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          <ad>Gorry Fairhurst</ad>
          
          <state type="draft">active</state>
          
          <state type="draft-iana-review">ok-noact</state>
          
          <state type="draft-iesg">lc</state>
          
          <state type="draft-stream-ietf">sub-pub</state>
          
          
	  
        </ietf>
    </entry>
    
    <entry>
        
        <title>Adding an Uncacheable File Data Attribute to NFSv4.2</title>
        

        <link href="/doc/draft-ietf-nfsv4-uncacheable-files/"/>

        <id>urn:datatracker-ietf-org:event:1217636</id>
        
        <updated>2026-08-08T07:12:35.341859+00:00</updated>
        
        <published>2026-08-08T07:12:35.341859+00:00</published>
        
        <author>
            <name>Gorry Fairhurst</name>
        </author>

        <content type="html">Ballot writeup was changed</content>

        <ietf xmlns="http://ietf.org/atom/datatracker/community">
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          <shepherd>Chuck Lever</shepherd>
          <ad>Gorry Fairhurst</ad>
          
          <state type="draft">active</state>
          
          <state type="draft-iana-review">ok-noact</state>
          
          <state type="draft-iesg">lc</state>
          
          <state type="draft-stream-ietf">sub-pub</state>
          
          
	  
        </ietf>
    </entry>
    
    <entry>
        
        <title>Adding an Uncacheable File Data Attribute to NFSv4.2</title>
        

        <link href="/doc/draft-ietf-nfsv4-uncacheable-files/"/>

        <id>urn:datatracker-ietf-org:event:1217634</id>
        
        <updated>2026-08-08T07:05:11.919047+00:00</updated>
        
        <published>2026-08-08T07:05:11.919047+00:00</published>
        
        <author>
            <name>Gorry Fairhurst</name>
        </author>

        <content type="html">Ballot approval text was generated</content>

        <ietf xmlns="http://ietf.org/atom/datatracker/community">
          <type>changed_ballot_approval_text</type>
          <stream>ietf</stream>
          <group>nfsv4</group>
          <shepherd>Chuck Lever</shepherd>
          <ad>Gorry Fairhurst</ad>
          
          <state type="draft">active</state>
          
          <state type="draft-iana-review">ok-noact</state>
          
          <state type="draft-iesg">lc</state>
          
          <state type="draft-stream-ietf">sub-pub</state>
          
          
	  
        </ietf>
    </entry>
    
    <entry>
        
        <title>Adding an Uncacheable File Data Attribute to NFSv4.2</title>
        

        <link href="/doc/draft-ietf-nfsv4-uncacheable-files/"/>

        <id>urn:datatracker-ietf-org:event:1217633</id>
        
        <updated>2026-08-08T07:03:57.654689+00:00</updated>
        
        <published>2026-08-08T07:03:57.654689+00:00</published>
        
        <author>
            <name>Gorry Fairhurst</name>
        </author>

        <content type="html">IESG state changed to &lt;b&gt;AD Evaluation::AD Followup&lt;/b&gt; from Publication Requested</content>

        <ietf xmlns="http://ietf.org/atom/datatracker/community">
          <type>changed_state</type>
          <stream>ietf</stream>
          <group>nfsv4</group>
          <shepherd>Chuck Lever</shepherd>
          <ad>Gorry Fairhurst</ad>
          
          <state type="draft">active</state>
          
          <state type="draft-iana-review">ok-noact</state>
          
          <state type="draft-iesg">lc</state>
          
          <state type="draft-stream-ietf">sub-pub</state>
          
          
	  
        </ietf>
    </entry>
    
    <entry>
        
        <title>Parallel NFS (pNFS) Flexible File Layout Version 2</title>
        

        <link href="/doc/draft-haynes-nfsv4-flexfiles-v2/"/>

        <id>urn:datatracker-ietf-org:event:1217585</id>
        
        <updated>2026-08-07T17:11:55.447559+00:00</updated>
        
        <published>2026-08-07T17:11:55.447559+00:00</published>
        
        <author>
            <name>Thomas Haynes</name>
        </author>

        <content type="html">New version available: &lt;b&gt;draft-haynes-nfsv4-flexfiles-v2-08.txt&lt;/b&gt;</content>

        <ietf xmlns="http://ietf.org/atom/datatracker/community">
          <type>new_revision</type>
          
          <group>none</group>
          
          
          
          <state type="draft">active</state>
          
          <state type="draft-iesg">idexists</state>
          
          
	  
	  <abstract>   Parallel NFS (pNFS) allows a separation between the metadata (onto a
   metadata server) and data (onto a storage device) for a file.  The
   Flexible File Version 2 Layout Type is defined in this document as an
   extension to pNFS that allows the use of storage devices that require
   only a limited degree of interaction with the metadata server and use
   already-existing protocols.  Data protection is also added to provide
   integrity.  Both Client-side mirroring and the erasure coding
   algorithms are used for data protection.
</abstract>
	  <version>08</version>
	  
        </ietf>
    </entry>
    
    <entry>
        
        <title>Parallel NFS (pNFS) Flexible File Layout Version 2</title>
        

        <link href="/doc/draft-haynes-nfsv4-flexfiles-v2/"/>

        <id>urn:datatracker-ietf-org:event:1217584</id>
        
        <updated>2026-08-07T17:11:55.445449+00:00</updated>
        
        <published>2026-08-07T17:11:55.445449+00:00</published>
        
        <author>
            <name>Thomas Haynes</name>
        </author>

        <content type="html">New version accepted (logged-in submitter: Thomas Haynes)</content>

        <ietf xmlns="http://ietf.org/atom/datatracker/community">
          <type>new_submission</type>
          
          <group>none</group>
          
          
          
          <state type="draft">active</state>
          
          <state type="draft-iesg">idexists</state>
          
          
	  
        </ietf>
    </entry>
    
    <entry>
        
        <title>Parallel NFS (pNFS) Flexible File Layout Version 2</title>
        

        <link href="/doc/draft-haynes-nfsv4-flexfiles-v2/"/>

        <id>urn:datatracker-ietf-org:event:1217583</id>
        
        <updated>2026-08-07T17:11:55.398911+00:00</updated>
        
        <published>2026-08-07T17:11:55.398911+00:00</published>
        
        <author>
            <name>Thomas Haynes</name>
        </author>

        <content type="html">Uploaded new revision</content>

        <ietf xmlns="http://ietf.org/atom/datatracker/community">
          <type>new_submission</type>
          
          <group>none</group>
          
          
          
          <state type="draft">active</state>
          
          <state type="draft-iesg">idexists</state>
          
          
	  
        </ietf>
    </entry>
    
    <entry>
        
        <title>Proxy-Driven Server for Flexible Files Version 2</title>
        

        <link href="/doc/draft-haynes-nfsv4-flexfiles-v2-proxy-server/"/>

        <id>urn:datatracker-ietf-org:event:1217582</id>
        
        <updated>2026-08-07T17:07:00.113728+00:00</updated>
        
        <published>2026-08-07T17:07:00.113728+00:00</published>
        
        <author>
            <name>Thomas Haynes</name>
        </author>

        <content type="html">New version available: &lt;b&gt;draft-haynes-nfsv4-flexfiles-v2-proxy-server-04.txt&lt;/b&gt;</content>

        <ietf xmlns="http://ietf.org/atom/datatracker/community">
          <type>new_revision</type>
          
          <group>none</group>
          
          
          
          <state type="draft">active</state>
          
          <state type="draft-iesg">idexists</state>
          
          
	  
	  <abstract>   Parallel NFS (pNFS) with the Flexible Files Version 2 layout type
   supports client-side erasure coding and per-chunk repair between
   clients and data servers.  This document extends that architecture
   with a proxy server role: a registered peer of the metadata server
   that polls the metadata server for work assignments and carries them
   out -- moving a file from one layout to another, reconstructing a
   whole file from surviving shards, or translating between encodings
   for clients that cannot participate in the file&#x27;s native encoding
   (including NFSv3 clients).  All proxy-server-to-metadata-server
   coordination is fore-channel: the metadata server returns work
   assignments inline in the response to a proxy-server-initiated
   PROXY_PROGRESS poll, and the proxy server reports completion via a
   fore-channel PROXY_DONE.  No callback operations are required for the
   proxy server protocol.
</abstract>
	  <version>04</version>
	  
        </ietf>
    </entry>
    
    <entry>
        
        <title>Proxy-Driven Server for Flexible Files Version 2</title>
        

        <link href="/doc/draft-haynes-nfsv4-flexfiles-v2-proxy-server/"/>

        <id>urn:datatracker-ietf-org:event:1217581</id>
        
        <updated>2026-08-07T17:07:00.111317+00:00</updated>
        
        <published>2026-08-07T17:07:00.111317+00:00</published>
        
        <author>
            <name>Thomas Haynes</name>
        </author>

        <content type="html">New version accepted (logged-in submitter: Thomas Haynes)</content>

        <ietf xmlns="http://ietf.org/atom/datatracker/community">
          <type>new_submission</type>
          
          <group>none</group>
          
          
          
          <state type="draft">active</state>
          
          <state type="draft-iesg">idexists</state>
          
          
	  
        </ietf>
    </entry>
    
    <entry>
        
        <title>Proxy-Driven Server for Flexible Files Version 2</title>
        

        <link href="/doc/draft-haynes-nfsv4-flexfiles-v2-proxy-server/"/>

        <id>urn:datatracker-ietf-org:event:1217580</id>
        
        <updated>2026-08-07T17:07:00.063246+00:00</updated>
        
        <published>2026-08-07T17:07:00.063246+00:00</published>
        
        <author>
            <name>Thomas Haynes</name>
        </author>

        <content type="html">Uploaded new revision</content>

        <ietf xmlns="http://ietf.org/atom/datatracker/community">
          <type>new_submission</type>
          
          <group>none</group>
          
          
          
          <state type="draft">active</state>
          
          <state type="draft-iesg">idexists</state>
          
          
	  
        </ietf>
    </entry>
    
    <entry>
        
        <title>Delta-Write Extension for the Flexible File Version 2 Layout Type</title>
        

        <link href="/doc/draft-haynes-nfsv4-flexfiles-v2-delta-writes/"/>

        <id>urn:datatracker-ietf-org:event:1217579</id>
        
        <updated>2026-08-07T16:59:15.710707+00:00</updated>
        
        <published>2026-08-07T16:59:15.710707+00:00</published>
        
        <author>
            <name>Thomas Haynes</name>
        </author>

        <content type="html">New version available: &lt;b&gt;draft-haynes-nfsv4-flexfiles-v2-delta-writes-00.txt&lt;/b&gt;</content>

        <ietf xmlns="http://ietf.org/atom/datatracker/community">
          <type>new_revision</type>
          
          <group>none</group>
          
          
          
          <state type="draft">active</state>
          
          <state type="draft-iesg">idexists</state>
          
          
	  
	  <abstract>   The Flexible File Version 2 pNFS layout type defines a chunk-oriented
   data-server protocol in which every write is a full-chunk payload.
   For workloads that make small edits to files protected by an XOR-
   based erasure encoding, this forces client-side stripe fetch, re-
   encode, and transmit on every edit, with wire amplification of three
   to four orders of magnitude per byte edited.  This document defines
   an optional extension, CHUNK_XOR_DELTA, that lets a client transmit a
   per-projection XOR delta directly to each data server holding a
   projection of the affected stripe; the data server applies the delta
   locally.  The extension is restricted to XOR-linear systematic
   encodings and XOR-affine checksums, using the existing chunk state
   machine with no new commit protocol.
</abstract>
	  <version>00</version>
	  
        </ietf>
    </entry>
    
    <entry>
        
        <title>Delta-Write Extension for the Flexible File Version 2 Layout Type</title>
        

        <link href="/doc/draft-haynes-nfsv4-flexfiles-v2-delta-writes/"/>

        <id>urn:datatracker-ietf-org:event:1217578</id>
        
        <updated>2026-08-07T16:59:15.708469+00:00</updated>
        
        <published>2026-08-07T16:59:15.708469+00:00</published>
        
        <author>
            <name>Thomas Haynes</name>
        </author>

        <content type="html">New version accepted (logged-in submitter: Thomas Haynes)</content>

        <ietf xmlns="http://ietf.org/atom/datatracker/community">
          <type>new_submission</type>
          
          <group>none</group>
          
          
          
          <state type="draft">active</state>
          
          <state type="draft-iesg">idexists</state>
          
          
	  
        </ietf>
    </entry>
    
    <entry>
        
        <title>Delta-Write Extension for the Flexible File Version 2 Layout Type</title>
        

        <link href="/doc/draft-haynes-nfsv4-flexfiles-v2-delta-writes/"/>

        <id>urn:datatracker-ietf-org:event:1217577</id>
        
        <updated>2026-08-07T16:56:58.360160+00:00</updated>
        
        <published>2026-08-07T16:56:58.360160+00:00</published>
        
        <author>
            <name>Thomas Haynes</name>
        </author>

        <content type="html">Uploaded new revision</content>

        <ietf xmlns="http://ietf.org/atom/datatracker/community">
          <type>new_submission</type>
          
          <group>none</group>
          
          
          
          <state type="draft">active</state>
          
          <state type="draft-iesg">idexists</state>
          
          
	  
        </ietf>
    </entry>
    
    <entry>
        
        <title>Adding an Uncacheable File Data Attribute to NFSv4.2</title>
        

        <link href="/doc/draft-ietf-nfsv4-uncacheable-files/"/>

        <id>urn:datatracker-ietf-org:event:1217569</id>
        
        <updated>2026-08-07T16:26:59.229409+00:00</updated>
        
        <published>2026-08-07T16:26:59.229409+00:00</published>
        
        <author>
            <name>Chuck Lever</name>
        </author>

        <content type="html"># Document Shepherd Write-Up for Group Documents&lt;br&gt;&lt;br&gt;*This version is dated 4 July 2022.*&lt;br&gt;&lt;br&gt;Document: draft-ietf-nfsv4-uncacheable-files-11&lt;br&gt;Shepherd: Chuck Lever &lt;cel-ietf@chucklever.net&gt;&lt;br&gt;Date: 2026-08-07&lt;br&gt;&lt;br&gt;**Shepherd dual role.** The shepherd also serves as a co-chair of the&lt;br&gt;NFSv4 Working Group and was one of the three reviewers during the WGLC&lt;br&gt;period. This is disclosed here and revisited in item 1.&lt;br&gt;&lt;br&gt;&lt;br&gt;## Document History&lt;br&gt;&lt;br&gt;**1. Does the working group (WG) consensus represent the strong&lt;br&gt;concurrence of a few individuals, with others being silent, or did it&lt;br&gt;reach broad agreement?**&lt;br&gt;&lt;br&gt;Broad agreement within a small WG. Working Group Last Call for -03 was&lt;br&gt;announced by co-chair Christopher Inacio on 2026-01-16, with comments&lt;br&gt;due 2026-01-30. Three independent WG members submitted substantive&lt;br&gt;technical reviews: David Noveck reviewed -04, Chuck Lever reviewed -04,&lt;br&gt;and Rick Macklem reviewed -06. Each review drew a response from the&lt;br&gt;author and a revised document. Revisions -05 through -10 were produced&lt;br&gt;between March and June 2026.&lt;br&gt;&lt;br&gt;Reviews arriving at the close of the original comment window were&lt;br&gt;treated as the beginning of an extended review period rather than as&lt;br&gt;late submissions. In April 2026 Macklem posted a note describing a&lt;br&gt;historical alternative caching approach, stating explicitly that he was&lt;br&gt;not requesting changes to the draft. In May 2026 Noveck and Macklem&lt;br&gt;exchanged views on write-handling semantics; that exchange raised no&lt;br&gt;new objections. No WG member objected to publication at any point.&lt;br&gt;&lt;br&gt;The reviewers are the participants who work on NFSv4 client and server&lt;br&gt;implementations, so the review population matches the population that&lt;br&gt;will implement the attribute. Silence from the remainder of the list is&lt;br&gt;consistent with the narrow scope of the change.&lt;br&gt;&lt;br&gt;Regarding the dual role disclosed above: the shepherd&#x27;s technical&lt;br&gt;review carried no more weight than any other participant&#x27;s, and the&lt;br&gt;consensus determination rests on the record of the three reviews and&lt;br&gt;the absence of sustained objection, not on the shepherd&#x27;s own position.&lt;br&gt;&lt;br&gt;**2. Was there controversy about particular points, or were there&lt;br&gt;decisions where the consensus was particularly rough?**&lt;br&gt;&lt;br&gt;One structural disagreement, resolved. At the close of the WGLC comment&lt;br&gt;period the author proposed merging the uncacheable-files and&lt;br&gt;uncacheable-directories drafts into a single document. The WG discussed&lt;br&gt;this in February 2026. David Noveck and Chuck Lever argued for keeping&lt;br&gt;the documents separate, and the proposal was set aside. The&lt;br&gt;disagreement concerned document organization, not technical content.&lt;br&gt;&lt;br&gt;The technical reviews raised points that the author addressed by&lt;br&gt;revision rather than by argument. Noveck raised terminology, the&lt;br&gt;distinction between read caching and write-behind suppression, and&lt;br&gt;authorization guidance for SETATTR. Lever raised ambiguous SHOULD&lt;br&gt;compliance language, underspecified metadata requirements for cache&lt;br&gt;invalidation, and a need for additional implementation guidance.&lt;br&gt;Macklem raised SETATTR timing, write durability behavior, and the risk&lt;br&gt;of inconsistent client behavior. No point remained in dispute at the&lt;br&gt;close of review.&lt;br&gt;&lt;br&gt;**3. Has anyone threatened an appeal or otherwise indicated extreme&lt;br&gt;discontent?**&lt;br&gt;&lt;br&gt;No.&lt;br&gt;&lt;br&gt;**4. For protocol documents, are there existing implementations of the&lt;br&gt;contents of the document? Have a significant number of potential&lt;br&gt;implementers indicated plans to implement? Are any existing&lt;br&gt;implementations reported somewhere, either in the document itself (as&lt;br&gt;RFC 7942 recommends) or elsewhere (where)?**&lt;br&gt;&lt;br&gt;Yes. Section 6, &quot;Implementation Status&quot;, reports two prototypes per&lt;br&gt;RFC 7942 and carries the customary note asking the RFC Editor to remove&lt;br&gt;the section prior to publication.&lt;br&gt;&lt;br&gt;A Hammerspace server implements the attribute. A Linux NFS client&lt;br&gt;prototype treats the attribute as a directive to apply O_DIRECT-like&lt;br&gt;behavior and to revalidate file-associated metadata before serving&lt;br&gt;cached state to applications. Trond Myklebust, Mike Snitzer, Jon Flynn,&lt;br&gt;Keith Mannthey, and Thomas Haynes worked on the prototype at&lt;br&gt;Hammerspace, per the Acknowledgments.&lt;br&gt;&lt;br&gt;Experience with the prototype indicates the attribute delivers many of&lt;br&gt;the practical benefits of O_DIRECT without requiring application&lt;br&gt;modification, with reduced memory pressure and CPU utilization in the&lt;br&gt;client. The two implementations come from a single organization. Rick&lt;br&gt;Macklem&#x27;s reviews reflect the FreeBSD client perspective, but no&lt;br&gt;FreeBSD implementation is reported.&lt;br&gt;&lt;br&gt;&lt;br&gt;## Additional Reviews&lt;br&gt;&lt;br&gt;**5. Do the contents of this document closely interact with&lt;br&gt;technologies in other IETF working groups or external organizations,&lt;br&gt;and would it therefore benefit from their review? Have those reviews&lt;br&gt;occurred? If yes, describe which reviews took place.**&lt;br&gt;&lt;br&gt;No. The document adds one boolean attribute to the NFSv4.2 attribute&lt;br&gt;set. It defines no new operations, changes no existing on-the-wire&lt;br&gt;encoding, and touches no technology owned by another IETF working group&lt;br&gt;or by an external standards organization. No cross-group review was&lt;br&gt;solicited, and the shepherd does not believe one is needed.&lt;br&gt;&lt;br&gt;**6. Describe how the document meets any required formal expert review&lt;br&gt;criteria, such as the MIB Doctor, YANG Doctor, media type, and URI type&lt;br&gt;reviews.**&lt;br&gt;&lt;br&gt;None apply. The document contains no MIB module, no YANG module, no&lt;br&gt;media type registration, and no URI scheme.&lt;br&gt;&lt;br&gt;**7. If the document contains a YANG module, has the final version of&lt;br&gt;the module been checked with any of the recommended validation tools&lt;br&gt;for syntax and formatting validation? ... Does the YANG module comply&lt;br&gt;with the Network Management Datastore Architecture (NMDA)?**&lt;br&gt;&lt;br&gt;Not applicable. The document contains no YANG module.&lt;br&gt;&lt;br&gt;**8. Describe reviews and automated checks performed to validate&lt;br&gt;sections of the final version of the document written in a formal&lt;br&gt;language, such as XML code, BNF rules, MIB definitions, CBOR&#x27;s CDDL,&lt;br&gt;etc.**&lt;br&gt;&lt;br&gt;The document contains XDR [RFC 4506]. Section 7 is two declarations:&lt;br&gt;&lt;br&gt;    /// typedef bool            fattr4_uncacheable_file_data;&lt;br&gt;    ///&lt;br&gt;    /// const FATTR4_UNCACHEABLE_FILE_DATA       = 87;&lt;br&gt;&lt;br&gt;Section 8 supplies the standard NFSv4 extraction script, which selects&lt;br&gt;lines beginning with the `///` sentinel and strips it. The shepherd&lt;br&gt;verified against -11 that the sentinel-prefixed lines are well formed,&lt;br&gt;that the script extracts them cleanly, and that the extracted text&lt;br&gt;appends to the NFSv4.2 XDR base from RFC 7863 without collision. The&lt;br&gt;typedef and the constant are the only two XDR declarations in the&lt;br&gt;document.&lt;br&gt;&lt;br&gt;&lt;br&gt;## Document Shepherd Checks&lt;br&gt;&lt;br&gt;**9. Based on the shepherd&#x27;s review of the document, is it their&lt;br&gt;opinion that this document is needed, clearly written, complete,&lt;br&gt;correctly designed, and ready to be handed off to the responsible Area&lt;br&gt;Director?**&lt;br&gt;&lt;br&gt;Yes.&lt;br&gt;&lt;br&gt;The shepherd reviewed -08 on 2026-06-19, -10 on 2026-06-29, and -11 on&lt;br&gt;2026-08-07. The -08 review identified three issues:&lt;br&gt;&lt;br&gt;  - *Minor.* The Abstract carried a parenthetical RFC citation (&quot;This&lt;br&gt;    document extends NFSv4.2 (see RFC7862)&quot;), contrary to RFC 7322&lt;br&gt;    Section 4.3. Resolved in -10. The Abstract now reads &quot;This document&lt;br&gt;    extends NFSv4.2.&quot; Confirmed against -11.&lt;br&gt;&lt;br&gt;  - *Moderate.* Section 4.3 layered a SHOULD and a MUST such that an&lt;br&gt;    implementer satisfying the MUST could not determine whether that&lt;br&gt;    also satisfied the SHOULD. Resolved in -10 with an explicit&lt;br&gt;    bridging sentence: &quot;Meeting this MUST requirement satisfies the&lt;br&gt;    general SHOULD obligation above.&quot; Confirmed against -11.&lt;br&gt;&lt;br&gt;  - *Watch item.* An informative reference to a personal, non-WG draft,&lt;br&gt;    [I-D.haynes-nfsv4-flexfiles-v2], cited only to attribute the &quot;write&lt;br&gt;    hole&quot; definition. A normative-track document should not depend on a&lt;br&gt;    personal draft for a definition its readers need. Resolved in -10.&lt;br&gt;    The definition is now self-contained and the reference is gone.&lt;br&gt;    Confirmed absent from -11.&lt;br&gt;&lt;br&gt;-11 is a keepalive resubmission of -10. The shepherd diffed the two&lt;br&gt;versions on 2026-08-07. The only difference in the body text is the&lt;br&gt;expiry date line; the remainder of the diff is the version string,&lt;br&gt;running headers, and page footers. Every technical finding recorded&lt;br&gt;against -10 carries forward to -11 unchanged.&lt;br&gt;&lt;br&gt;The document is needed. NFSv4.2 offers no standardized way for a server&lt;br&gt;or administrator to signal that client-side caching of a file&#x27;s data is&lt;br&gt;unsuitable, and the HPC workloads that motivate the attribute have no&lt;br&gt;portable alternative to per-application O_DIRECT.&lt;br&gt;&lt;br&gt;**10. Several IETF Areas have assembled lists of common issues that&lt;br&gt;their reviewers encounter. For which areas have such issues been&lt;br&gt;identified and addressed? For which does this still need to happen in&lt;br&gt;subsequent reviews?**&lt;br&gt;&lt;br&gt;The NFSv4 WG sits in the Web and Internet Transport area. The shepherd&lt;br&gt;reviewed the document against the general shepherd checks in this&lt;br&gt;questionnaire and against RFC 7322 and the authors.ietf.org content&lt;br&gt;guidelines, and found the issues recorded in items 9 and 14.&lt;br&gt;&lt;br&gt;No area-specific directorate review has been requested, and the&lt;br&gt;shepherd has not walked the document against a per-area ExpertTopics&lt;br&gt;checklist. The change introduces no new protocol operation, no new&lt;br&gt;congestion or transport behavior, and no new authentication or&lt;br&gt;authorization mechanism, so the shepherd does not anticipate findings&lt;br&gt;from transport-area or security-area review. The responsible AD should&lt;br&gt;treat that as the shepherd&#x27;s expectation rather than as a completed&lt;br&gt;review, and request directorate review if they disagree.&lt;br&gt;&lt;br&gt;**11. What type of RFC publication is being requested on the IETF&lt;br&gt;stream? Why is this the proper type of RFC? Do all Datatracker state&lt;br&gt;attributes correctly reflect this intent?**&lt;br&gt;&lt;br&gt;Proposed Standard. The title page header reads &quot;Intended status:&lt;br&gt;Standards Track.&quot;&lt;br&gt;&lt;br&gt;Proposed Standard is correct. The document defines a new NFSv4.2&lt;br&gt;attribute with interoperability requirements binding on compliant&lt;br&gt;implementations, expressed in BCP 14 keywords, and supplies the XDR&lt;br&gt;that implementations encode on the wire.&lt;br&gt;&lt;br&gt;The shepherd should confirm at submission time that the Datatracker&lt;br&gt;&quot;Intended RFC status&quot; attribute reads Proposed Standard, and that the&lt;br&gt;stream is set to IETF. The Datatracker currently lists no responsible&lt;br&gt;Area Director; one is assigned when the publication request is made.&lt;br&gt;&lt;br&gt;**12. Have reasonable efforts been made to remind all authors of the&lt;br&gt;intellectual property rights (IPR) disclosure obligations described in&lt;br&gt;BCP 79? To the best of your knowledge, have all required disclosures&lt;br&gt;been filed? If not, explain why. If yes, summarize any relevant&lt;br&gt;discussion, including links to publicly-available messages when&lt;br&gt;applicable.**&lt;br&gt;&lt;br&gt;Yes. Thomas Haynes is the sole author. He was polled and confirmed via&lt;br&gt;private email on 2026-06-30:&lt;br&gt;&lt;br&gt;&gt; &quot;I have no IPR (per BCP 79 / RFC 8179) to disclose for&lt;br&gt;&gt; draft-ietf-nfsv4-uncacheable-files. Neither I nor my employer hold&lt;br&gt;&gt; any patents or pending patent applications related to the technology&lt;br&gt;&gt; described in this document, and I am aware of none from any third&lt;br&gt;&gt; party. BCP 78 obligations were addressed at I-D submission time per&lt;br&gt;&gt; the standard Datatracker workflow.&quot;&lt;br&gt;&lt;br&gt;The confirmation was given privately, so there is no archived message&lt;br&gt;to link. The Datatracker IPR search returns &quot;No IPR disclosures have&lt;br&gt;been submitted directly on draft-ietf-nfsv4-uncacheable-files.&quot; No&lt;br&gt;disclosure has been filed and, per the author&#x27;s statement, none is&lt;br&gt;required.&lt;br&gt;&lt;br&gt;**13. Has each author, editor, and contributor shown their willingness&lt;br&gt;to be listed as such? If the total number of authors and editors on the&lt;br&gt;front page is greater than five, please provide a justification.**&lt;br&gt;&lt;br&gt;Yes. Thomas Haynes is the sole author. He confirmed by email on&lt;br&gt;2026-08-07:&lt;br&gt;&lt;br&gt;&gt; &quot;I am willing to be listed as the author of&lt;br&gt;&gt; draft-ietf-nfsv4-uncacheable-files.&quot;&lt;br&gt;&lt;br&gt;The front page carries one author, well under the five-author&lt;br&gt;threshold, so no justification is required. The document has no&lt;br&gt;Contributors section; the names in the Acknowledgments are prototype&lt;br&gt;implementers, reviewers, and process participants, not listed&lt;br&gt;contributors in the RFC 7322 sense. No further confirmations are&lt;br&gt;outstanding.&lt;br&gt;&lt;br&gt;**14. Document any remaining I-D nits in this document. Simply running&lt;br&gt;the idnits tool is not enough; please review the &quot;Content Guidelines&quot;&lt;br&gt;on authors.ietf.org.**&lt;br&gt;&lt;br&gt;Automated check. idnits 2.17.1 was run against -11 via&lt;br&gt;author-tools.ietf.org on 2026-08-07:&lt;br&gt;&lt;br&gt;    Summary: 0 errors (**), 0 flaws (~~), 0 warnings (==), 1 comment (--)&lt;br&gt;&lt;br&gt;The single comment reports that the document date is 14 days in the&lt;br&gt;past. That is an artifact of when the check ran, not a defect.&lt;br&gt;&lt;br&gt;This is a cleaner result than the check recorded against -10, which&lt;br&gt;used idnits 2.15.01 and reported a spurious &quot;Simplified BSD License&quot;&lt;br&gt;versus &quot;Revised BSD License&quot; mismatch caused by stale boilerplate&lt;br&gt;hardcoded in that release. 2.17.1 does not reproduce it. The&lt;br&gt;boilerplate in the document is the current IETF Trust text.&lt;br&gt;&lt;br&gt;Manual review against the content guidelines found one item:&lt;br&gt;&lt;br&gt;  - The &quot;Note to Readers&quot; section on the front page carries the WG&lt;br&gt;    mailing list address, the mail archive URL, and two GitHub URLs.&lt;br&gt;    It belongs in the Internet-Draft and not in the published RFC, but&lt;br&gt;    it carries no instruction to remove it. Section 6 does carry such&lt;br&gt;    an instruction (&quot;Note to RFC Editor: please remove this section&lt;br&gt;    prior to publication&quot;). The shepherd recommends the author add the&lt;br&gt;    same instruction to &quot;Note to Readers&quot;, or that the responsible AD&lt;br&gt;    record an RFC Editor note to that effect. This is editorial and&lt;br&gt;    does not block submission.&lt;br&gt;&lt;br&gt;The Abstract is free of citations and expands NFSv4.2 on first use. The&lt;br&gt;document expands abbreviations on first use elsewhere and carries no&lt;br&gt;unused references.&lt;br&gt;&lt;br&gt;**15. Should any informative references be normative or vice-versa?**&lt;br&gt;&lt;br&gt;No. The split is correct.&lt;br&gt;&lt;br&gt;The normative references are RFC 2119, RFC 4506, RFC 7862, RFC 7863,&lt;br&gt;RFC 8174, RFC 8178, and RFC 8881. Each is required to implement: BCP 14&lt;br&gt;keyword interpretation, the XDR language, the NFSv4.2 protocol and its&lt;br&gt;XDR base, the NFSv4 extension rules the document relies on, and&lt;br&gt;NFSv4.1.&lt;br&gt;&lt;br&gt;The informative references are [MOUNT], [OPEN-O_DIRECT], and&lt;br&gt;[SOLARIS-FORCEDIRECTIO]. All three are cited as background on existing&lt;br&gt;platform mechanisms that motivate the attribute. None is needed to&lt;br&gt;implement it.&lt;br&gt;&lt;br&gt;**16. List any normative references that are not freely available to&lt;br&gt;anyone. Did the community have sufficient access to review any such&lt;br&gt;normative references?**&lt;br&gt;&lt;br&gt;None. Every normative reference is an RFC, freely available from the&lt;br&gt;RFC Editor.&lt;br&gt;&lt;br&gt;**17. Are there any normative downward references (see RFC 3967 and&lt;br&gt;BCP 97) that are not already listed in the DOWNREF registry? If so,&lt;br&gt;list them.**&lt;br&gt;&lt;br&gt;None. RFC 4506 is an Internet Standard (STD 67). RFC 2119 and RFC 8174&lt;br&gt;are BCP 14. RFC 7862, RFC 7863, RFC 8178, and RFC 8881 are Proposed&lt;br&gt;Standard. No normative reference sits below the requested maturity&lt;br&gt;level, so no downref applies and nothing needs to be called out in the&lt;br&gt;IETF Last Call notice.&lt;br&gt;&lt;br&gt;**18. Are there normative references to documents that are not ready to&lt;br&gt;be submitted to the IESG for publication or are otherwise in an unclear&lt;br&gt;state? If so, what is the plan for their completion?**&lt;br&gt;&lt;br&gt;No. Every normative reference is a published RFC.&lt;br&gt;&lt;br&gt;**19. Will publication of this document change the status of any&lt;br&gt;existing RFCs? If so, does the Datatracker metadata correctly reflect&lt;br&gt;this and are those RFCs listed on the title page, in the abstract, and&lt;br&gt;discussed in the introduction?**&lt;br&gt;&lt;br&gt;No. The document extends NFSv4.2 (RFC 7862) through the extension&lt;br&gt;mechanism defined in RFC 8178, which does not create an Updates&lt;br&gt;relationship. Section 3 states this and cites RFC 8178 for the&lt;br&gt;procedure.&lt;br&gt;&lt;br&gt;The title page header carries no Updates or Obsoletes field, and the&lt;br&gt;Datatracker metadata should show none. The shepherd will confirm this&lt;br&gt;at submission.&lt;br&gt;&lt;br&gt;**20. Describe the document shepherd&#x27;s review of the IANA&lt;br&gt;considerations section, especially with regard to its consistency with&lt;br&gt;the body of the document. Confirm that all aspects of the document&lt;br&gt;requiring IANA assignments are associated with the appropriate&lt;br&gt;reservations in IANA registries. Confirm that any referenced IANA&lt;br&gt;registries have been clearly identified. Confirm that each newly&lt;br&gt;created IANA registry specifies its initial contents, allocations&lt;br&gt;procedures, and a reasonable name.**&lt;br&gt;&lt;br&gt;The IANA Considerations section reads &quot;This document has no IANA&lt;br&gt;actions.&quot; The shepherd reviewed this against the body and believes it&lt;br&gt;is correct.&lt;br&gt;&lt;br&gt;IANA maintains no registry for numbered FATTR4 attributes. The one&lt;br&gt;NFSv4-related registry, &quot;NFSv4 Named Attribute Definitions&quot;, covers&lt;br&gt;string-named attributes reached through OPENATTR, which is a different&lt;br&gt;mechanism from the numbered attribute this document defines. No&lt;br&gt;registry is referenced and none is created, so the questions about&lt;br&gt;initial contents, allocation procedures, and registry naming do not&lt;br&gt;arise.&lt;br&gt;&lt;br&gt;*Point for the responsible AD.* The document claims attribute number&lt;br&gt;87. Numbered FATTR4 attributes are allocated by IETF publication of&lt;br&gt;Standards Track RFCs rather than through an IANA registry, which is how&lt;br&gt;RFC 8275 took attribute 81 and RFC 8276 took attribute 82. No published&lt;br&gt;RFC assigns 83 through 86. The selection of 87 was settled by&lt;br&gt;coordination on nfsv4@ietf.org, not by a registry action, so nothing in&lt;br&gt;the process reserves it against a competing claim from a concurrent&lt;br&gt;draft. The shepherd raises this so the AD is aware of how the number&lt;br&gt;was chosen; the shepherd does not believe it blocks publication.&lt;br&gt;&lt;br&gt;**21. List any new IANA registries that require Designated Expert&lt;br&gt;Review for future allocations. Are the instructions to the Designated&lt;br&gt;Expert clear? Please include suggestions of designated experts, if&lt;br&gt;appropriate.**&lt;br&gt;&lt;br&gt;None. The document creates no IANA registry.&lt;br&gt;&lt;br&gt;&lt;br&gt;---&lt;br&gt;&lt;br&gt;## Announcement text&lt;br&gt;&lt;br&gt;The 4 July 2022 questionnaire dropped the Document Announcement&lt;br&gt;Write-Up that earlier templates carried. The Datatracker collects&lt;br&gt;announcement text in a separate field. The following is supplied for&lt;br&gt;that field.&lt;br&gt;&lt;br&gt;**Technical Summary**&lt;br&gt;&lt;br&gt;This document introduces the fattr4_uncacheable_file_data attribute&lt;br&gt;(FATTR4_UNCACHEABLE_FILE_DATA, attribute number 87) for NFSv4.2. The&lt;br&gt;attribute is a per-file boolean that lets a server or administrator&lt;br&gt;indicate that client-side caching of file data is unsuitable for a&lt;br&gt;particular file. When it is set, clients suppress write-behind caching,&lt;br&gt;transmitting WRITE data promptly rather than combining multiple writes,&lt;br&gt;and suppress read caching, revalidating the change attribute and file&lt;br&gt;size before serving cached data to applications. The attribute is&lt;br&gt;advisory and is not a security boundary. It is motivated by&lt;br&gt;High-Performance Computing workloads in which multiple clients write&lt;br&gt;disjoint byte ranges of a shared file and require predictable data&lt;br&gt;visibility. The extension follows the NFSv4 minor version extension&lt;br&gt;mechanism of RFC 8178 and does not formally update RFC 7862.&lt;br&gt;&lt;br&gt;**Working Group Summary**&lt;br&gt;&lt;br&gt;Working Group Last Call for -03 ran from 2026-01-16 to 2026-01-30.&lt;br&gt;Three WG members submitted substantive technical reviews, and the&lt;br&gt;author revised the document in response to each. A February 2026&lt;br&gt;proposal to merge this document with the companion uncacheable-&lt;br&gt;directories draft was discussed and set aside; the disagreement&lt;br&gt;concerned document organization rather than technical content. No WG&lt;br&gt;member objected to publication.&lt;br&gt;&lt;br&gt;**Document Quality**&lt;br&gt;&lt;br&gt;Two prototypes are reported in Section 6: a Hammerspace server and a&lt;br&gt;Linux NFS client. The Linux prototype applies O_DIRECT-like behavior&lt;br&gt;and revalidates file-associated metadata before serving cached state to&lt;br&gt;applications. Experience with it indicates the attribute delivers much&lt;br&gt;of the practical benefit of O_DIRECT without requiring application&lt;br&gt;modification. The normative XDR is two declarations, and the extraction&lt;br&gt;script in Section 8 produces output that appends cleanly to the NFSv4.2&lt;br&gt;XDR base from RFC 7863.&lt;br&gt;&lt;br&gt;**Personnel**&lt;br&gt;&lt;br&gt;Document Shepherd: Chuck Lever &lt;cel-ietf@chucklever.net&gt;&lt;br&gt;Responsible Area Director: Gorry Fairhurst (Web and Internet Transport)&lt;br&gt;</content>

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    <entry>
        
        <title>Adding an Uncacheable File Data Attribute to NFSv4.2</title>
        

        <link href="/doc/draft-ietf-nfsv4-uncacheable-files/"/>

        <id>urn:datatracker-ietf-org:event:1217568</id>
        
        <updated>2026-08-07T16:26:59.194381+00:00</updated>
        
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        <title>Adding an Uncacheable File Data Attribute to NFSv4.2</title>
        

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        <id>urn:datatracker-ietf-org:event:1217567</id>
        
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        <title>Adding an Uncacheable File Data Attribute to NFSv4.2</title>
        

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        <id>urn:datatracker-ietf-org:event:1217566</id>
        
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        <id>urn:datatracker-ietf-org:event:1217565</id>
        
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        <author>
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        <content type="html">Responsible AD changed to Gorry Fairhurst</content>

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        <title>Adding an Uncacheable File Data Attribute to NFSv4.2</title>
        

        <link href="/doc/draft-ietf-nfsv4-uncacheable-files/"/>

        <id>urn:datatracker-ietf-org:event:1217564</id>
        
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        <content type="html">Document is now in IESG state &lt;b&gt;Publication Requested&lt;/b&gt;</content>

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    <entry>
        
        <title>Adding an Uncacheable File Data Attribute to NFSv4.2</title>
        

        <link href="/doc/draft-ietf-nfsv4-uncacheable-files/"/>

        <id>urn:datatracker-ietf-org:event:1217563</id>
        
        <updated>2026-08-07T16:26:32.490897+00:00</updated>
        
        <published>2026-08-07T16:26:32.490897+00:00</published>
        
        <author>
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        <content type="html">Changed consensus to &lt;b&gt;Yes&lt;/b&gt; from Unknown</content>

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        <title>Adding an Uncacheable File Data Attribute to NFSv4.2</title>
        

        <link href="/doc/draft-ietf-nfsv4-uncacheable-files/"/>

        <id>urn:datatracker-ietf-org:event:1217562</id>
        
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        <author>
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        <content type="html">Intended Status changed to &lt;b&gt;Proposed Standard&lt;/b&gt; from None</content>

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    <entry>
        
        <title>Adding an Uncacheable File Data Attribute to NFSv4.2</title>
        

        <link href="/doc/draft-ietf-nfsv4-uncacheable-files/"/>

        <id>urn:datatracker-ietf-org:event:1217559</id>
        
        <updated>2026-08-07T16:21:35.208968+00:00</updated>
        
        <published>2026-08-07T16:21:35.208968+00:00</published>
        
        <author>
            <name>Chuck Lever</name>
        </author>

        <content type="html"># Document Shepherd Write-Up for Group Documents&lt;br&gt;&lt;br&gt;*This version is dated 4 July 2022.*&lt;br&gt;&lt;br&gt;Document: draft-ietf-nfsv4-uncacheable-files-11&lt;br&gt;Shepherd: Chuck Lever &lt;cel-ietf@chucklever.net&gt;&lt;br&gt;Date: 2026-08-07&lt;br&gt;&lt;br&gt;**Shepherd dual role.** The shepherd also serves as a co-chair of the&lt;br&gt;NFSv4 Working Group and was one of the three reviewers during the WGLC&lt;br&gt;period. This is disclosed here and revisited in item 1.&lt;br&gt;&lt;br&gt;&lt;br&gt;## Document History&lt;br&gt;&lt;br&gt;**1. Does the working group (WG) consensus represent the strong&lt;br&gt;concurrence of a few individuals, with others being silent, or did it&lt;br&gt;reach broad agreement?**&lt;br&gt;&lt;br&gt;Broad agreement within a small WG. Working Group Last Call for -03 was&lt;br&gt;announced by co-chair Christopher Inacio on 2026-01-16, with comments&lt;br&gt;due 2026-01-30. Three independent WG members submitted substantive&lt;br&gt;technical reviews: David Noveck reviewed -04, Chuck Lever reviewed -04,&lt;br&gt;and Rick Macklem reviewed -06. Each review drew a response from the&lt;br&gt;author and a revised document. Revisions -05 through -10 were produced&lt;br&gt;between March and June 2026.&lt;br&gt;&lt;br&gt;Reviews arriving at the close of the original comment window were&lt;br&gt;treated as the beginning of an extended review period rather than as&lt;br&gt;late submissions. In April 2026 Macklem posted a note describing a&lt;br&gt;historical alternative caching approach, stating explicitly that he was&lt;br&gt;not requesting changes to the draft. In May 2026 Noveck and Macklem&lt;br&gt;exchanged views on write-handling semantics; that exchange raised no&lt;br&gt;new objections. No WG member objected to publication at any point.&lt;br&gt;&lt;br&gt;The reviewers are the participants who work on NFSv4 client and server&lt;br&gt;implementations, so the review population matches the population that&lt;br&gt;will implement the attribute. Silence from the remainder of the list is&lt;br&gt;consistent with the narrow scope of the change.&lt;br&gt;&lt;br&gt;Regarding the dual role disclosed above: the shepherd&#x27;s technical&lt;br&gt;review carried no more weight than any other participant&#x27;s, and the&lt;br&gt;consensus determination rests on the record of the three reviews and&lt;br&gt;the absence of sustained objection, not on the shepherd&#x27;s own position.&lt;br&gt;&lt;br&gt;**2. Was there controversy about particular points, or were there&lt;br&gt;decisions where the consensus was particularly rough?**&lt;br&gt;&lt;br&gt;One structural disagreement, resolved. At the close of the WGLC comment&lt;br&gt;period the author proposed merging the uncacheable-files and&lt;br&gt;uncacheable-directories drafts into a single document. The WG discussed&lt;br&gt;this in February 2026. David Noveck and Chuck Lever argued for keeping&lt;br&gt;the documents separate, and the proposal was set aside. The&lt;br&gt;disagreement concerned document organization, not technical content.&lt;br&gt;&lt;br&gt;The technical reviews raised points that the author addressed by&lt;br&gt;revision rather than by argument. Noveck raised terminology, the&lt;br&gt;distinction between read caching and write-behind suppression, and&lt;br&gt;authorization guidance for SETATTR. Lever raised ambiguous SHOULD&lt;br&gt;compliance language, underspecified metadata requirements for cache&lt;br&gt;invalidation, and a need for additional implementation guidance.&lt;br&gt;Macklem raised SETATTR timing, write durability behavior, and the risk&lt;br&gt;of inconsistent client behavior. No point remained in dispute at the&lt;br&gt;close of review.&lt;br&gt;&lt;br&gt;**3. Has anyone threatened an appeal or otherwise indicated extreme&lt;br&gt;discontent?**&lt;br&gt;&lt;br&gt;No.&lt;br&gt;&lt;br&gt;**4. For protocol documents, are there existing implementations of the&lt;br&gt;contents of the document? Have a significant number of potential&lt;br&gt;implementers indicated plans to implement? Are any existing&lt;br&gt;implementations reported somewhere, either in the document itself (as&lt;br&gt;RFC 7942 recommends) or elsewhere (where)?**&lt;br&gt;&lt;br&gt;Yes. Section 6, &quot;Implementation Status&quot;, reports two prototypes per&lt;br&gt;RFC 7942 and carries the customary note asking the RFC Editor to remove&lt;br&gt;the section prior to publication.&lt;br&gt;&lt;br&gt;A Hammerspace server implements the attribute. A Linux NFS client&lt;br&gt;prototype treats the attribute as a directive to apply O_DIRECT-like&lt;br&gt;behavior and to revalidate file-associated metadata before serving&lt;br&gt;cached state to applications. Trond Myklebust, Mike Snitzer, Jon Flynn,&lt;br&gt;Keith Mannthey, and Thomas Haynes worked on the prototype at&lt;br&gt;Hammerspace, per the Acknowledgments.&lt;br&gt;&lt;br&gt;Experience with the prototype indicates the attribute delivers many of&lt;br&gt;the practical benefits of O_DIRECT without requiring application&lt;br&gt;modification, with reduced memory pressure and CPU utilization in the&lt;br&gt;client. The two implementations come from a single organization. Rick&lt;br&gt;Macklem&#x27;s reviews reflect the FreeBSD client perspective, but no&lt;br&gt;FreeBSD implementation is reported.&lt;br&gt;&lt;br&gt;&lt;br&gt;## Additional Reviews&lt;br&gt;&lt;br&gt;**5. Do the contents of this document closely interact with&lt;br&gt;technologies in other IETF working groups or external organizations,&lt;br&gt;and would it therefore benefit from their review? Have those reviews&lt;br&gt;occurred? If yes, describe which reviews took place.**&lt;br&gt;&lt;br&gt;No. The document adds one boolean attribute to the NFSv4.2 attribute&lt;br&gt;set. It defines no new operations, changes no existing on-the-wire&lt;br&gt;encoding, and touches no technology owned by another IETF working group&lt;br&gt;or by an external standards organization. No cross-group review was&lt;br&gt;solicited, and the shepherd does not believe one is needed.&lt;br&gt;&lt;br&gt;**6. Describe how the document meets any required formal expert review&lt;br&gt;criteria, such as the MIB Doctor, YANG Doctor, media type, and URI type&lt;br&gt;reviews.**&lt;br&gt;&lt;br&gt;None apply. The document contains no MIB module, no YANG module, no&lt;br&gt;media type registration, and no URI scheme.&lt;br&gt;&lt;br&gt;**7. If the document contains a YANG module, has the final version of&lt;br&gt;the module been checked with any of the recommended validation tools&lt;br&gt;for syntax and formatting validation? ... Does the YANG module comply&lt;br&gt;with the Network Management Datastore Architecture (NMDA)?**&lt;br&gt;&lt;br&gt;Not applicable. The document contains no YANG module.&lt;br&gt;&lt;br&gt;**8. Describe reviews and automated checks performed to validate&lt;br&gt;sections of the final version of the document written in a formal&lt;br&gt;language, such as XML code, BNF rules, MIB definitions, CBOR&#x27;s CDDL,&lt;br&gt;etc.**&lt;br&gt;&lt;br&gt;The document contains XDR [RFC 4506]. Section 7 is two declarations:&lt;br&gt;&lt;br&gt;    /// typedef bool            fattr4_uncacheable_file_data;&lt;br&gt;    ///&lt;br&gt;    /// const FATTR4_UNCACHEABLE_FILE_DATA       = 87;&lt;br&gt;&lt;br&gt;Section 8 supplies the standard NFSv4 extraction script, which selects&lt;br&gt;lines beginning with the `///` sentinel and strips it. The shepherd&lt;br&gt;verified against -11 that the sentinel-prefixed lines are well formed,&lt;br&gt;that the script extracts them cleanly, and that the extracted text&lt;br&gt;appends to the NFSv4.2 XDR base from RFC 7863 without collision. The&lt;br&gt;typedef and the constant are the only two XDR declarations in the&lt;br&gt;document.&lt;br&gt;&lt;br&gt;&lt;br&gt;## Document Shepherd Checks&lt;br&gt;&lt;br&gt;**9. Based on the shepherd&#x27;s review of the document, is it their&lt;br&gt;opinion that this document is needed, clearly written, complete,&lt;br&gt;correctly designed, and ready to be handed off to the responsible Area&lt;br&gt;Director?**&lt;br&gt;&lt;br&gt;Yes.&lt;br&gt;&lt;br&gt;The shepherd reviewed -08 on 2026-06-19, -10 on 2026-06-29, and -11 on&lt;br&gt;2026-08-07. The -08 review identified three issues:&lt;br&gt;&lt;br&gt;  - *Minor.* The Abstract carried a parenthetical RFC citation (&quot;This&lt;br&gt;    document extends NFSv4.2 (see RFC7862)&quot;), contrary to RFC 7322&lt;br&gt;    Section 4.3. Resolved in -10. The Abstract now reads &quot;This document&lt;br&gt;    extends NFSv4.2.&quot; Confirmed against -11.&lt;br&gt;&lt;br&gt;  - *Moderate.* Section 4.3 layered a SHOULD and a MUST such that an&lt;br&gt;    implementer satisfying the MUST could not determine whether that&lt;br&gt;    also satisfied the SHOULD. Resolved in -10 with an explicit&lt;br&gt;    bridging sentence: &quot;Meeting this MUST requirement satisfies the&lt;br&gt;    general SHOULD obligation above.&quot; Confirmed against -11.&lt;br&gt;&lt;br&gt;  - *Watch item.* An informative reference to a personal, non-WG draft,&lt;br&gt;    [I-D.haynes-nfsv4-flexfiles-v2], cited only to attribute the &quot;write&lt;br&gt;    hole&quot; definition. A normative-track document should not depend on a&lt;br&gt;    personal draft for a definition its readers need. Resolved in -10.&lt;br&gt;    The definition is now self-contained and the reference is gone.&lt;br&gt;    Confirmed absent from -11.&lt;br&gt;&lt;br&gt;-11 is a keepalive resubmission of -10. The shepherd diffed the two&lt;br&gt;versions on 2026-08-07. The only difference in the body text is the&lt;br&gt;expiry date line; the remainder of the diff is the version string,&lt;br&gt;running headers, and page footers. Every technical finding recorded&lt;br&gt;against -10 carries forward to -11 unchanged.&lt;br&gt;&lt;br&gt;The document is needed. NFSv4.2 offers no standardized way for a server&lt;br&gt;or administrator to signal that client-side caching of a file&#x27;s data is&lt;br&gt;unsuitable, and the HPC workloads that motivate the attribute have no&lt;br&gt;portable alternative to per-application O_DIRECT.&lt;br&gt;&lt;br&gt;**10. Several IETF Areas have assembled lists of common issues that&lt;br&gt;their reviewers encounter. For which areas have such issues been&lt;br&gt;identified and addressed? For which does this still need to happen in&lt;br&gt;subsequent reviews?**&lt;br&gt;&lt;br&gt;The NFSv4 WG sits in the Web and Internet Transport area. The shepherd&lt;br&gt;reviewed the document against the general shepherd checks in this&lt;br&gt;questionnaire and against RFC 7322 and the authors.ietf.org content&lt;br&gt;guidelines, and found the issues recorded in items 9 and 14.&lt;br&gt;&lt;br&gt;No area-specific directorate review has been requested, and the&lt;br&gt;shepherd has not walked the document against a per-area ExpertTopics&lt;br&gt;checklist. The change introduces no new protocol operation, no new&lt;br&gt;congestion or transport behavior, and no new authentication or&lt;br&gt;authorization mechanism, so the shepherd does not anticipate findings&lt;br&gt;from transport-area or security-area review. The responsible AD should&lt;br&gt;treat that as the shepherd&#x27;s expectation rather than as a completed&lt;br&gt;review, and request directorate review if they disagree.&lt;br&gt;&lt;br&gt;**11. What type of RFC publication is being requested on the IETF&lt;br&gt;stream? Why is this the proper type of RFC? Do all Datatracker state&lt;br&gt;attributes correctly reflect this intent?**&lt;br&gt;&lt;br&gt;Proposed Standard. The title page header reads &quot;Intended status:&lt;br&gt;Standards Track.&quot;&lt;br&gt;&lt;br&gt;Proposed Standard is correct. The document defines a new NFSv4.2&lt;br&gt;attribute with interoperability requirements binding on compliant&lt;br&gt;implementations, expressed in BCP 14 keywords, and supplies the XDR&lt;br&gt;that implementations encode on the wire.&lt;br&gt;&lt;br&gt;The shepherd should confirm at submission time that the Datatracker&lt;br&gt;&quot;Intended RFC status&quot; attribute reads Proposed Standard, and that the&lt;br&gt;stream is set to IETF. The Datatracker currently lists no responsible&lt;br&gt;Area Director; one is assigned when the publication request is made.&lt;br&gt;&lt;br&gt;**12. Have reasonable efforts been made to remind all authors of the&lt;br&gt;intellectual property rights (IPR) disclosure obligations described in&lt;br&gt;BCP 79? To the best of your knowledge, have all required disclosures&lt;br&gt;been filed? If not, explain why. If yes, summarize any relevant&lt;br&gt;discussion, including links to publicly-available messages when&lt;br&gt;applicable.**&lt;br&gt;&lt;br&gt;Yes. Thomas Haynes is the sole author. He was polled and confirmed via&lt;br&gt;private email on 2026-06-30:&lt;br&gt;&lt;br&gt;&gt; &quot;I have no IPR (per BCP 79 / RFC 8179) to disclose for&lt;br&gt;&gt; draft-ietf-nfsv4-uncacheable-files. Neither I nor my employer hold&lt;br&gt;&gt; any patents or pending patent applications related to the technology&lt;br&gt;&gt; described in this document, and I am aware of none from any third&lt;br&gt;&gt; party. BCP 78 obligations were addressed at I-D submission time per&lt;br&gt;&gt; the standard Datatracker workflow.&quot;&lt;br&gt;&lt;br&gt;The confirmation was given privately, so there is no archived message&lt;br&gt;to link. The Datatracker IPR search returns &quot;No IPR disclosures have&lt;br&gt;been submitted directly on draft-ietf-nfsv4-uncacheable-files.&quot; No&lt;br&gt;disclosure has been filed and, per the author&#x27;s statement, none is&lt;br&gt;required.&lt;br&gt;&lt;br&gt;**13. Has each author, editor, and contributor shown their willingness&lt;br&gt;to be listed as such? If the total number of authors and editors on the&lt;br&gt;front page is greater than five, please provide a justification.**&lt;br&gt;&lt;br&gt;Yes. Thomas Haynes is the sole author. He confirmed by email on&lt;br&gt;2026-08-07:&lt;br&gt;&lt;br&gt;&gt; &quot;I am willing to be listed as the author of&lt;br&gt;&gt; draft-ietf-nfsv4-uncacheable-files.&quot;&lt;br&gt;&lt;br&gt;The front page carries one author, well under the five-author&lt;br&gt;threshold, so no justification is required. The document has no&lt;br&gt;Contributors section; the names in the Acknowledgments are prototype&lt;br&gt;implementers, reviewers, and process participants, not listed&lt;br&gt;contributors in the RFC 7322 sense. No further confirmations are&lt;br&gt;outstanding.&lt;br&gt;&lt;br&gt;**14. Document any remaining I-D nits in this document. Simply running&lt;br&gt;the idnits tool is not enough; please review the &quot;Content Guidelines&quot;&lt;br&gt;on authors.ietf.org.**&lt;br&gt;&lt;br&gt;Automated check. idnits 2.17.1 was run against -11 via&lt;br&gt;author-tools.ietf.org on 2026-08-07:&lt;br&gt;&lt;br&gt;    Summary: 0 errors (**), 0 flaws (~~), 0 warnings (==), 1 comment (--)&lt;br&gt;&lt;br&gt;The single comment reports that the document date is 14 days in the&lt;br&gt;past. That is an artifact of when the check ran, not a defect.&lt;br&gt;&lt;br&gt;This is a cleaner result than the check recorded against -10, which&lt;br&gt;used idnits 2.15.01 and reported a spurious &quot;Simplified BSD License&quot;&lt;br&gt;versus &quot;Revised BSD License&quot; mismatch caused by stale boilerplate&lt;br&gt;hardcoded in that release. 2.17.1 does not reproduce it. The&lt;br&gt;boilerplate in the document is the current IETF Trust text.&lt;br&gt;&lt;br&gt;Manual review against the content guidelines found one item:&lt;br&gt;&lt;br&gt;  - The &quot;Note to Readers&quot; section on the front page carries the WG&lt;br&gt;    mailing list address, the mail archive URL, and two GitHub URLs.&lt;br&gt;    It belongs in the Internet-Draft and not in the published RFC, but&lt;br&gt;    it carries no instruction to remove it. Section 6 does carry such&lt;br&gt;    an instruction (&quot;Note to RFC Editor: please remove this section&lt;br&gt;    prior to publication&quot;). The shepherd recommends the author add the&lt;br&gt;    same instruction to &quot;Note to Readers&quot;, or that the responsible AD&lt;br&gt;    record an RFC Editor note to that effect. This is editorial and&lt;br&gt;    does not block submission.&lt;br&gt;&lt;br&gt;The Abstract is free of citations and expands NFSv4.2 on first use. The&lt;br&gt;document expands abbreviations on first use elsewhere and carries no&lt;br&gt;unused references.&lt;br&gt;&lt;br&gt;**15. Should any informative references be normative or vice-versa?**&lt;br&gt;&lt;br&gt;No. The split is correct.&lt;br&gt;&lt;br&gt;The normative references are RFC 2119, RFC 4506, RFC 7862, RFC 7863,&lt;br&gt;RFC 8174, RFC 8178, and RFC 8881. Each is required to implement: BCP 14&lt;br&gt;keyword interpretation, the XDR language, the NFSv4.2 protocol and its&lt;br&gt;XDR base, the NFSv4 extension rules the document relies on, and&lt;br&gt;NFSv4.1.&lt;br&gt;&lt;br&gt;The informative references are [MOUNT], [OPEN-O_DIRECT], and&lt;br&gt;[SOLARIS-FORCEDIRECTIO]. All three are cited as background on existing&lt;br&gt;platform mechanisms that motivate the attribute. None is needed to&lt;br&gt;implement it.&lt;br&gt;&lt;br&gt;**16. List any normative references that are not freely available to&lt;br&gt;anyone. Did the community have sufficient access to review any such&lt;br&gt;normative references?**&lt;br&gt;&lt;br&gt;None. Every normative reference is an RFC, freely available from the&lt;br&gt;RFC Editor.&lt;br&gt;&lt;br&gt;**17. Are there any normative downward references (see RFC 3967 and&lt;br&gt;BCP 97) that are not already listed in the DOWNREF registry? If so,&lt;br&gt;list them.**&lt;br&gt;&lt;br&gt;None. RFC 4506 is an Internet Standard (STD 67). RFC 2119 and RFC 8174&lt;br&gt;are BCP 14. RFC 7862, RFC 7863, RFC 8178, and RFC 8881 are Proposed&lt;br&gt;Standard. No normative reference sits below the requested maturity&lt;br&gt;level, so no downref applies and nothing needs to be called out in the&lt;br&gt;IETF Last Call notice.&lt;br&gt;&lt;br&gt;**18. Are there normative references to documents that are not ready to&lt;br&gt;be submitted to the IESG for publication or are otherwise in an unclear&lt;br&gt;state? If so, what is the plan for their completion?**&lt;br&gt;&lt;br&gt;No. Every normative reference is a published RFC.&lt;br&gt;&lt;br&gt;**19. Will publication of this document change the status of any&lt;br&gt;existing RFCs? If so, does the Datatracker metadata correctly reflect&lt;br&gt;this and are those RFCs listed on the title page, in the abstract, and&lt;br&gt;discussed in the introduction?**&lt;br&gt;&lt;br&gt;No. The document extends NFSv4.2 (RFC 7862) through the extension&lt;br&gt;mechanism defined in RFC 8178, which does not create an Updates&lt;br&gt;relationship. Section 3 states this and cites RFC 8178 for the&lt;br&gt;procedure.&lt;br&gt;&lt;br&gt;The title page header carries no Updates or Obsoletes field, and the&lt;br&gt;Datatracker metadata should show none. The shepherd will confirm this&lt;br&gt;at submission.&lt;br&gt;&lt;br&gt;**20. Describe the document shepherd&#x27;s review of the IANA&lt;br&gt;considerations section, especially with regard to its consistency with&lt;br&gt;the body of the document. Confirm that all aspects of the document&lt;br&gt;requiring IANA assignments are associated with the appropriate&lt;br&gt;reservations in IANA registries. Confirm that any referenced IANA&lt;br&gt;registries have been clearly identified. Confirm that each newly&lt;br&gt;created IANA registry specifies its initial contents, allocations&lt;br&gt;procedures, and a reasonable name.**&lt;br&gt;&lt;br&gt;The IANA Considerations section reads &quot;This document has no IANA&lt;br&gt;actions.&quot; The shepherd reviewed this against the body and believes it&lt;br&gt;is correct.&lt;br&gt;&lt;br&gt;IANA maintains no registry for numbered FATTR4 attributes. The one&lt;br&gt;NFSv4-related registry, &quot;NFSv4 Named Attribute Definitions&quot;, covers&lt;br&gt;string-named attributes reached through OPENATTR, which is a different&lt;br&gt;mechanism from the numbered attribute this document defines. No&lt;br&gt;registry is referenced and none is created, so the questions about&lt;br&gt;initial contents, allocation procedures, and registry naming do not&lt;br&gt;arise.&lt;br&gt;&lt;br&gt;*Point for the responsible AD.* The document claims attribute number&lt;br&gt;87. Numbered FATTR4 attributes are allocated by IETF publication of&lt;br&gt;Standards Track RFCs rather than through an IANA registry, which is how&lt;br&gt;RFC 8275 took attribute 81 and RFC 8276 took attribute 82. No published&lt;br&gt;RFC assigns 83 through 86. The selection of 87 was settled by&lt;br&gt;coordination on nfsv4@ietf.org, not by a registry action, so nothing in&lt;br&gt;the process reserves it against a competing claim from a concurrent&lt;br&gt;draft. The shepherd raises this so the AD is aware of how the number&lt;br&gt;was chosen; the shepherd does not believe it blocks publication.&lt;br&gt;&lt;br&gt;**21. List any new IANA registries that require Designated Expert&lt;br&gt;Review for future allocations. Are the instructions to the Designated&lt;br&gt;Expert clear? Please include suggestions of designated experts, if&lt;br&gt;appropriate.**&lt;br&gt;&lt;br&gt;None. The document creates no IANA registry.&lt;br&gt;&lt;br&gt;&lt;br&gt;---&lt;br&gt;&lt;br&gt;## Announcement text&lt;br&gt;&lt;br&gt;The 4 July 2022 questionnaire dropped the Document Announcement&lt;br&gt;Write-Up that earlier templates carried. The Datatracker collects&lt;br&gt;announcement text in a separate field. The following is supplied for&lt;br&gt;that field.&lt;br&gt;&lt;br&gt;**Technical Summary**&lt;br&gt;&lt;br&gt;This document introduces the fattr4_uncacheable_file_data attribute&lt;br&gt;(FATTR4_UNCACHEABLE_FILE_DATA, attribute number 87) for NFSv4.2. The&lt;br&gt;attribute is a per-file boolean that lets a server or administrator&lt;br&gt;indicate that client-side caching of file data is unsuitable for a&lt;br&gt;particular file. When it is set, clients suppress write-behind caching,&lt;br&gt;transmitting WRITE data promptly rather than combining multiple writes,&lt;br&gt;and suppress read caching, revalidating the change attribute and file&lt;br&gt;size before serving cached data to applications. The attribute is&lt;br&gt;advisory and is not a security boundary. It is motivated by&lt;br&gt;High-Performance Computing workloads in which multiple clients write&lt;br&gt;disjoint byte ranges of a shared file and require predictable data&lt;br&gt;visibility. The extension follows the NFSv4 minor version extension&lt;br&gt;mechanism of RFC 8178 and does not formally update RFC 7862.&lt;br&gt;&lt;br&gt;**Working Group Summary**&lt;br&gt;&lt;br&gt;Working Group Last Call for -03 ran from 2026-01-16 to 2026-01-30.&lt;br&gt;Three WG members submitted substantive technical reviews, and the&lt;br&gt;author revised the document in response to each. A February 2026&lt;br&gt;proposal to merge this document with the companion uncacheable-&lt;br&gt;directories draft was discussed and set aside; the disagreement&lt;br&gt;concerned document organization rather than technical content. No WG&lt;br&gt;member objected to publication.&lt;br&gt;&lt;br&gt;**Document Quality**&lt;br&gt;&lt;br&gt;Two prototypes are reported in Section 6: a Hammerspace server and a&lt;br&gt;Linux NFS client. The Linux prototype applies O_DIRECT-like behavior&lt;br&gt;and revalidates file-associated metadata before serving cached state to&lt;br&gt;applications. Experience with it indicates the attribute delivers much&lt;br&gt;of the practical benefit of O_DIRECT without requiring application&lt;br&gt;modification. The normative XDR is two declarations, and the extraction&lt;br&gt;script in Section 8 produces output that appends cleanly to the NFSv4.2&lt;br&gt;XDR base from RFC 7863.&lt;br&gt;&lt;br&gt;**Personnel**&lt;br&gt;&lt;br&gt;Document Shepherd: Chuck Lever &lt;cel-ietf@chucklever.net&gt;&lt;br&gt;Responsible Area Director: Gorry Fairhurst (Web and Internet Transport)&lt;br&gt;</content>

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          <type>changed_protocol_writeup</type>
          <stream>ietf</stream>
          <group>nfsv4</group>
          <shepherd>Chuck Lever</shepherd>
          <ad>Gorry Fairhurst</ad>
          
          <state type="draft">active</state>
          
          <state type="draft-iana-review">ok-noact</state>
          
          <state type="draft-iesg">lc</state>
          
          <state type="draft-stream-ietf">sub-pub</state>
          
          
	  
        </ietf>
    </entry>
    
    <entry>
        
        <title>The Network File System Access Control List Protocol</title>
        

        <link href="/doc/draft-ietf-nfsv4-nfs-acl/"/>

        <id>urn:datatracker-ietf-org:event:1216689</id>
        
        <updated>2026-08-04T17:37:24.884880+00:00</updated>
        
        <published>2026-08-04T17:37:24.884880+00:00</published>
        
        <author>
            <name>Chuck Lever</name>
        </author>

        <content type="html">Changed document external resources from: None to:&lt;br&gt;&lt;br&gt;github_repo https://github.com/ietf-wg-nfsv4/i-d-nfs-acl</content>

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          <type>changed_document</type>
          <stream>ietf</stream>
          <group>nfsv4</group>
          
          
          
          <state type="draft">active</state>
          
          <state type="draft-iesg">idexists</state>
          
          <state type="draft-stream-ietf">wg-doc</state>
          
          
	  
        </ietf>
    </entry>
    
    <entry>
        
        <title>Internationalization for the NFSv4 Protocols</title>
        

        <link href="/doc/draft-ietf-nfsv4-internationalization/"/>

        <id>urn:datatracker-ietf-org:event:1216565</id>
        
        <updated>2026-08-04T09:11:46.416792+00:00</updated>
        
        <published>2026-08-04T09:11:46.416792+00:00</published>
        
        <author>
            <name>(System)</name>
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        <title>Internationalization for the NFSv4 Protocols</title>
        

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        <id>urn:datatracker-ietf-org:event:1216564</id>
        
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    <entry>
        
        <title>Internationalization for the NFSv4 Protocols</title>
        

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        <id>urn:datatracker-ietf-org:event:1216563</id>
        
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    <entry>
        
        <title>Internationalization for the NFSv4 Protocols</title>
        

        <link href="/doc/draft-ietf-nfsv4-internationalization/"/>

        <id>urn:datatracker-ietf-org:event:1216562</id>
        
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        <author>
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	  <abstract>   This document describes the handling of internationalization for all
   NFSv4 protocols, including NFSv4.0, NFSv4.1, NFSv4.2 and extensions
   thereof, and future minor versions.

   It updates RFC7530 and RFC8881.
</abstract>
	  <version>17</version>
	  
        </ietf>
    </entry>
    
    <entry>
        
        <title>Internationalization for the NFSv4 Protocols</title>
        

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        <id>urn:datatracker-ietf-org:event:1216561</id>
        
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        <author>
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        </author>

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    <entry>
        
        <title>Internationalization for the NFSv4 Protocols</title>
        

        <link href="/doc/draft-ietf-nfsv4-internationalization/"/>

        <id>urn:datatracker-ietf-org:event:1216560</id>
        
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        <author>
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        </author>

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    <entry>
        
        <title>Internationalization for the NFSv4 Protocols</title>
        

        <link href="/doc/draft-ietf-nfsv4-internationalization/"/>

        <id>urn:datatracker-ietf-org:event:1216545</id>
        
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    <entry>
        
        <title>Internationalization for the NFSv4 Protocols</title>
        

        <link href="/doc/draft-ietf-nfsv4-internationalization/"/>

        <id>urn:datatracker-ietf-org:event:1216544</id>
        
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        <author>
            <name>(System)</name>
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    <entry>
        
        <title>Internationalization for the NFSv4 Protocols</title>
        

        <link href="/doc/draft-ietf-nfsv4-internationalization/"/>

        <id>urn:datatracker-ietf-org:event:1216543</id>
        
        <updated>2026-08-04T07:46:30.138167+00:00</updated>
        
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    <entry>
        
        <title>Internationalization for the NFSv4 Protocols</title>
        

        <link href="/doc/draft-ietf-nfsv4-internationalization/"/>

        <id>urn:datatracker-ietf-org:event:1216472</id>
        
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        <author>
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        <content type="html">Request for IETF Last Call review by GENART Completed: Almost Ready. Reviewer: Ines Robles. Sent review to list.</content>

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