https://jira.whamcloud.com This file is an XML representation of an issue en-us 9.4.14 940014 05-12-2023 https://jira.whamcloud.com/browse/LU-11330 Lustre <p>This issue was created by maloo for Andreas Dilger &lt;adilger@whamcloud.com&gt;</p> <p>This issue relates to the following test suite run: <a href="https://testing.whamcloud.com/test_sets/0b9dcc0a-adf2-11e8-bd05-52540065bddc" class="external-link" target="_blank" rel="nofollow noopener">https://testing.whamcloud.com/test_sets/0b9dcc0a-adf2-11e8-bd05-52540065bddc</a></p> <p>test_70d failed with the following error:</p> <div class="preformatted panel" style="border-width: 1px;"><div class="preformattedContent panelContent"> <pre>Started 7681 rm: cannot remove '/mnt/lustre/d70d.replay-single/test1': Directory not empty rmdir fails 7681 stopped </pre> </div></div> <p>VVVVVVV DO NOT REMOVE LINES BELOW, Added by Maloo for auto-association VVVVVVV<br/> replay-single test_70d - 7681 stopped</p> LU-11330

replay-single test_70d: Directory not empty rmdir fails

Bug Major Resolved Fixed Alex Zhuravlev Maloo Mon, 3 Sep 2018 22:58:49 +0000 Mon, 26 Aug 2019 23:33:30 +0000 Wed, 27 Feb 2019 05:25:47 +0000 Lustre 2.12.0 Lustre 2.13.0 Lustre 2.12.1 0 5 <p>I'm able to reproduce this w/o any failover, just with this:</p> <div class="code panel" style="border-width: 1px;"><div class="codeContent panelContent"> <pre class="code-java"> <span class="code-keyword">for</span> ((i = 0; i &lt; 5000; i++)); <span class="code-keyword">do</span> $LFS mkdir -i0 -c2 $DIR/$tdir/test || error mkdir failed" touch $DIR/$tdir/test/a || error <span class="code-quote">"rmdir failed"</span> mkdir $DIR/$tdir/test/b || error <span class="code-quote">"mkdir failed"</span> rm -rf $DIR/$tdir/test || error <span class="code-quote">"rmdir failed"</span> done </pre> </div></div> <p>the root cause is that sometimes hash of "a" or "b" can be 0, so during readdir MDT returns "." (hard coded hash=1), then ".." (hash=2) and then all the remaining real entries including that one with hash=0. and this confuses the client.</p> <p>IMO, it deserves to be "major" issue</p> <p>Alex Zhuravlev (bzzz@whamcloud.com) uploaded a new patch: <a href="https://review.whamcloud.com/34098" class="external-link" target="_blank" rel="nofollow noopener">https://review.whamcloud.com/34098</a><br/> Subject: <a href="https://jira.whamcloud.com/browse/LU-11330" title="replay-single test_70d: Directory not empty rmdir fails" class="issue-link" data-issue-key="LU-11330"><del>LU-11330</del></a> osd-zfs: hash for . and .. must not be a positive number<br/> Project: fs/lustre-release<br/> Branch: master<br/> Current Patch Set: 1<br/> Commit: fe4a0c155179bc3810f9bd449539b147a943daa4</p> <p>Oleg Drokin (green@whamcloud.com) merged in patch <a href="https://review.whamcloud.com/34098/" class="external-link" target="_blank" rel="nofollow noopener">https://review.whamcloud.com/34098/</a><br/> Subject: <a href="https://jira.whamcloud.com/browse/LU-11330" title="replay-single test_70d: Directory not empty rmdir fails" class="issue-link" data-issue-key="LU-11330"><del>LU-11330</del></a> osd-zfs: hash for ./.. must be 0<br/> Project: fs/lustre-release<br/> Branch: master<br/> Current Patch Set: <br/> Commit: fb75af7d45d1217c877f75c4296f9df0cc731604</p> <p>Landed for 2.13</p> <p>Minh Diep (mdiep@whamcloud.com) uploaded a new patch: <a href="https://review.whamcloud.com/34451" class="external-link" target="_blank" rel="nofollow noopener">https://review.whamcloud.com/34451</a><br/> Subject: <a href="https://jira.whamcloud.com/browse/LU-11330" title="replay-single test_70d: Directory not empty rmdir fails" class="issue-link" data-issue-key="LU-11330"><del>LU-11330</del></a> osd-zfs: hash for ./.. must be 0<br/> Project: fs/lustre-release<br/> Branch: b2_12<br/> Current Patch Set: 1<br/> Commit: 74b0f9d6ee3278084f5f8f52d1ea3fb35eb4d009</p> <p>Oleg Drokin (green@whamcloud.com) merged in patch <a href="https://review.whamcloud.com/34451/" class="external-link" target="_blank" rel="nofollow noopener">https://review.whamcloud.com/34451/</a><br/> Subject: <a href="https://jira.whamcloud.com/browse/LU-11330" title="replay-single test_70d: Directory not empty rmdir fails" class="issue-link" data-issue-key="LU-11330"><del>LU-11330</del></a> osd-zfs: hash for ./.. must be 0<br/> Project: fs/lustre-release<br/> Branch: b2_12<br/> Current Patch Set: <br/> Commit: 945db23fad2bb38a2a4ebaec9407f6ae20ed3dc7</p> Related LU-9157 LU-12068 LU-11366 Development Rank 1|i001r3: Rank (Obsolete) 9223372036854775807 Severity