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-10710 Lustre <p>parallel-scale test write_disjoint hung as follows on master branch:</p> <div class="preformatted panel" style="border-width: 1px;"><div class="preformattedContent panelContent"> <pre>/usr/lib64/lustre/tests/write_disjoint: option requires an argument -- 'm' random seed: 1519386210 loop 0: chunk_size 13798672 loop 1000: chunk_size 12937343 </pre> </div></div> <p>Maloo reports:<br/> <a href="https://testing.hpdd.intel.com/test_sets/83f68bf6-18dd-11e8-bd00-52540065bddc" class="external-link" target="_blank" rel="nofollow noopener">https://testing.hpdd.intel.com/test_sets/83f68bf6-18dd-11e8-bd00-52540065bddc</a><br/> <a href="https://testing.hpdd.intel.com/test_sets/91293d5e-18d4-11e8-bd00-52540065bddc" class="external-link" target="_blank" rel="nofollow noopener">https://testing.hpdd.intel.com/test_sets/91293d5e-18d4-11e8-bd00-52540065bddc</a></p> <p>There are no obvious error messages in console/syslog logs. And the stack trace logs were not gathered (ATM-828).</p> LU-10710

parallel-scale test write_disjoint hung

Bug Minor Resolved Fixed James Nunez Jian Yu Sat, 24 Feb 2018 22:13:03 +0000 Fri, 25 May 2018 16:55:03 +0000 Mon, 9 Apr 2018 20:34:46 +0000 Lustre 2.11.0 Lustre 2.12.0 0 3 <p>This issue was added by the patch for <a href="https://jira.whamcloud.com/browse/LU-9409" title="Lustre small IO write performance improvement" class="issue-link" data-issue-key="LU-9409"><del>LU-9409</del></a> at <a href="https://review.whamcloud.com/27903" class="external-link" target="_blank" rel="nofollow noopener">https://review.whamcloud.com/27903</a>. The patch adds the –m flag and parameter to write_disjoint()</p> <div class="code panel" style="border-width: 1px;"><div class="codeContent panelContent"> <pre class="code-java">826 827         local cmd=<span class="code-quote">"$WRITE_DISJOINT -f $testdir/file -n $wdisjoint_REP -m "</span>\ 828                           <span class="code-quote">"$chunk_size_limit"</span> 829 830         echo <span class="code-quote">"+ $cmd"</span> </pre> </div></div> <p> </p> <p>From the suite_log, we can see that the value of the –m flag never makes it to the write_disjoint command and is interpreted as a standalone line</p> <div class="preformatted panel" style="border-width: 1px;"><div class="preformattedContent panelContent"> <pre>== parallel-scale test write_disjoint: write_disjoint ================================================ 11:43:29 (1519386209) OPTIONS: WRITE_DISJOINT=/usr/lib64/lustre/tests/write_disjoint clients=trevis-3vm1.trevis.hpdd.intel.com,trevis-3vm2 wdisjoint_THREADS=4 wdisjoint_REP=10000 MACHINEFILE=/tmp/parallel-scale.machines trevis-3vm1.trevis.hpdd.intel.com trevis-3vm2 /usr/lib64/lustre/tests/functions.sh: line 828: local: `123456': not a valid identifier + /usr/lib64/lustre/tests/write_disjoint -f /mnt/lustre/d0.write_disjoint/file -n 10000 –m </pre> </div></div> <p> </p> <p>The problem is the line continuation at the end of line 827; we just need to remove the end quotation on line 827 and first quotation on line 828. The reason why the code doesn’t work as it is, is due to the tab/spaces on line 828.</p> <p> </p> <p>I’ll upload a patch for this.</p> <p>James Nunez (james.a.nunez@intel.com) uploaded a new patch: <a href="https://review.whamcloud.com/31645" class="external-link" target="_blank" rel="nofollow noopener">https://review.whamcloud.com/31645</a><br/> Subject: <a href="https://jira.whamcloud.com/browse/LU-10710" title="parallel-scale test write_disjoint hung" class="issue-link" data-issue-key="LU-10710"><del>LU-10710</del></a> tests: fix run_write_disjoint line continuation<br/> Project: fs/lustre-release<br/> Branch: master<br/> Current Patch Set: 1<br/> Commit: 6ff2c1d3b134be39c1c63511bc3a7b06bc41214e</p> <p>Oleg Drokin (oleg.drokin@intel.com) merged in patch <a href="https://review.whamcloud.com/31645/" class="external-link" target="_blank" rel="nofollow noopener">https://review.whamcloud.com/31645/</a><br/> Subject: <a href="https://jira.whamcloud.com/browse/LU-10710" title="parallel-scale test write_disjoint hung" class="issue-link" data-issue-key="LU-10710"><del>LU-10710</del></a> tests: fix run_write_disjoint line continuation<br/> Project: fs/lustre-release<br/> Branch: master<br/> Current Patch Set: <br/> Commit: a033bd837329d1eb98d1dd71f4491f1af56a27f0</p> <p>Patch landed to master (future 2.12)</p> Development Rank 1|hzzt9r: Rank (Obsolete) 9223372036854775807 Severity