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-15502 Lustre <p>From 2.14, if client doesn't specify default LMV hash type, MDS will use the default one (from tunable option <tt>lod.&#42;.mdt_hash</tt>). But before 2.14, default LMV hash type should be set explicitly, otherwise in real creation time mkdir will returns -<tt>EBADF</tt>.</p> <p>2.12.6 is running on server and 2.14.0 is running on the client.</p> <div class="preformatted panel" style="border-width: 1px;"><div class="preformattedContent panelContent"> <pre># mkdir /testfs/dir0 # lfs setdirstripe -c -1 -D /testfs/dir0/ # mkdir /testfs/dir0/testdir # mkdir /testfs/dir0/testdir/subdir mkdir: cannot create directory ‘/testfs/dir0/testdir/subdir’: Bad file descriptor </pre> </div></div> LU-15502

mkdir returns -EBADF if default LMV is set in 2.12 client <-> 2.14 MDS system

Bug Critical Resolved Fixed Lai Siyao Lai Siyao Sat, 29 Jan 2022 06:30:12 +0000 Wed, 14 Sep 2022 06:24:15 +0000 Mon, 30 May 2022 21:52:30 +0000 Lustre 2.14.0 Lustre 2.12.8 Lustre 2.16.0 0 4 <p>"Lai Siyao &lt;lai.siyao@whamcloud.com&gt;" uploaded a new patch: <a href="https://review.whamcloud.com/46378" class="external-link" target="_blank" rel="nofollow noopener">https://review.whamcloud.com/46378</a><br/> Subject: <a href="https://jira.whamcloud.com/browse/LU-15502" title="mkdir returns -EBADF if default LMV is set in 2.12 client &lt;-&gt; 2.14 MDS system" class="issue-link" data-issue-key="LU-15502"><del>LU-15502</del></a> llite: set default LMV hash type with 2.12 MDS<br/> Project: fs/lustre-release<br/> Branch: master<br/> Current Patch Set: 1<br/> Commit: 5f8c85a4616153ac693652109ccf42c9dbf416a1</p> <p>What I don't understand is why this wasn't hit during interop testing?</p> <p>Is it because the <b>default</b> layout was set with a hash that the MDS doesn't understand, but it allowed this to be set and only complained when it was actually used? That seems like a but in the 2.12 MDS code, it should either return an error when the default hash is set, </p> <p>It looks like the important sanity test_300<span class="error">&#91;gkmn&#93;</span> tests that would have caught this during normal review testing were all being skipped because they are run with mdtcount=1.</p> <p>Could you please submit a second test patch based on patch 46378 that makes some minor cleanup (e.g. replace spaces with tabs in <tt>lustre/mdt/mdt_open.c</tt>) and adds:</p> <div class="preformatted panel" style="border-width: 1px;"><div class="preformattedContent panelContent"> <pre>Test-Parameters: trivial testlist=sanity,sanityn mdtcount=2 serverversion=2.12 </pre> </div></div> <p>so that we get a full set of tests run in this config. I didn't want to run a full set of tests for your patch, since they may fail for other reasons, so I limited it to <tt>ONLY=300</tt>.</p> <p>"Andreas Dilger &lt;adilger@whamcloud.com&gt;" uploaded a new patch: <a href="https://review.whamcloud.com/46385" class="external-link" target="_blank" rel="nofollow noopener">https://review.whamcloud.com/46385</a><br/> Subject: <a href="https://jira.whamcloud.com/browse/LU-15502" title="mkdir returns -EBADF if default LMV is set in 2.12 client &lt;-&gt; 2.14 MDS system" class="issue-link" data-issue-key="LU-15502"><del>LU-15502</del></a> mdt: cleanup whitespace in mdt_open.c<br/> Project: fs/lustre-release<br/> Branch: master<br/> Current Patch Set: 1<br/> Commit: 3b5ad1e2cc6442e8733b85b29b08625e37457c4f</p> <p>"Oleg Drokin &lt;green@whamcloud.com&gt;" merged in patch <a href="https://review.whamcloud.com/46378/" class="external-link" target="_blank" rel="nofollow noopener">https://review.whamcloud.com/46378/</a><br/> Subject: <a href="https://jira.whamcloud.com/browse/LU-15502" title="mkdir returns -EBADF if default LMV is set in 2.12 client &lt;-&gt; 2.14 MDS system" class="issue-link" data-issue-key="LU-15502"><del>LU-15502</del></a> llite: set default LMV hash type with 2.12 MDS<br/> Project: fs/lustre-release<br/> Branch: master<br/> Current Patch Set: <br/> Commit: 51c6d596d4f3e82decb037c02e8b5d095e0a4962</p> <p>"Oleg Drokin &lt;green@whamcloud.com&gt;" merged in patch <a href="https://review.whamcloud.com/46385/" class="external-link" target="_blank" rel="nofollow noopener">https://review.whamcloud.com/46385/</a><br/> Subject: <a href="https://jira.whamcloud.com/browse/LU-15502" title="mkdir returns -EBADF if default LMV is set in 2.12 client &lt;-&gt; 2.14 MDS system" class="issue-link" data-issue-key="LU-15502"><del>LU-15502</del></a> mdt: cleanup whitespace in mdt_open.c<br/> Project: fs/lustre-release<br/> Branch: master<br/> Current Patch Set: <br/> Commit: ff1d982b6d8a9683c16d2dcc291d8fe47904ebbe</p> <p>Landed for 2.16</p> Cloners Related LU-14459 LU-15692 Development Rank 1|i02gqv: Rank (Obsolete) 9223372036854775807 Severity