Whamcloud Community JIRA https://jira.whamcloud.com This file is an XML representation of an issue en-us 9.4.14 940014 05-12-2023 [LU-6673] NRS crash when applying tunings https://jira.whamcloud.com/browse/LU-6673 Lustre <p>A dangerous timeframe exists after enabling a NRS policy where setting a policy-specific tuning would lead to crashes, due to incomplete initialization of the policy.</p> <p>Trivial reproducer:<br/> echo -n orr &gt; /proc/fs/lustre/ost/OSS/ost_io/nrs_policies &amp; sleep 0.1 &amp;&amp; echo -n 32 &gt; /proc/fs/lustre/ost/OSS/ost_io/nrs_orr_quantum</p> LU-6673 NRS crash when applying tunings Bug Critical Resolved Fixed Emoly Liu Henri Doreau Tue, 2 Jun 2015 15:46:52 +0000 Mon, 17 Apr 2017 21:36:13 +0000 Mon, 31 Aug 2015 13:01:15 +0000 Lustre 2.8.0 0 5 <p>We will provide a patch</p> <p>Henri Doreau (henri.doreau@cea.fr) uploaded a new patch: <a href="http://review.whamcloud.com/15104" class="external-link" target="_blank" rel="nofollow noopener">http://review.whamcloud.com/15104</a><br/> Subject: <a href="https://jira.whamcloud.com/browse/LU-6673" title="NRS crash when applying tunings" class="issue-link" data-issue-key="LU-6673"><del>LU-6673</del></a> ptlrpc: Forbid too early NRS policy tunings<br/> Project: fs/lustre-release<br/> Branch: master<br/> Current Patch Set: 1<br/> Commit: ad64bfdc9cc85014db86501ff1340a43034cbc57</p> <p>Emoly</p> <p>Could you please take care of this patch?</p> <p>Thanks</p> <p>Peter</p> <p>Oleg Drokin (oleg.drokin@intel.com) merged in patch <a href="http://review.whamcloud.com/15104/" class="external-link" target="_blank" rel="nofollow noopener">http://review.whamcloud.com/15104/</a><br/> Subject: <a href="https://jira.whamcloud.com/browse/LU-6673" title="NRS crash when applying tunings" class="issue-link" data-issue-key="LU-6673"><del>LU-6673</del></a> ptlrpc: Forbid too early NRS policy tunings<br/> Project: fs/lustre-release<br/> Branch: master<br/> Current Patch Set: <br/> Commit: d4db3f18e523256f6c562a8993332f7fb7d70486</p> <p>Landed for 2.8.</p> Related LU-7072 LU-7605 Development Rank 1|hzxepb: Rank (Obsolete) 9223372036854775807 Severity