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-6386 Lustre <p>The tgt_last_rcvd_update() may update transaction number in client slot with smaller value. That may cause client to see wrong error message:</p> <div class="code panel" style="border-width: 1px;"><div class="codeContent panelContent"> <pre class="code-java">LustreError: 3662:0:(<span class="code-keyword">import</span>.c:985:ptlrpc_connect_interpret()) pfs2dat1-OST000a_UUID went back in time (transno 77492683762 was previously committed, server now claims 77492683761)! See https:<span class="code-comment">//bugzilla.lustre.org/show_bug.cgi?id=9646</span> </pre> </div></div> <p>This is possible on OST with several IO requests from one client and safe but it is better to keep transaction value in last_rcvd monotonically increased to avoid confusion on client side.</p> LU-6386

lower transno may overwrite the bigger one in client last_rcvd slot

Bug Critical Resolved Fixed Mikhail Pershin Mikhail Pershin Thu, 19 Mar 2015 13:49:39 +0000 Tue, 19 Mar 2019 15:46:37 +0000 Wed, 14 Oct 2015 14:20:44 +0000 Lustre 2.8.0 0 6 <p>Mike Pershin (mike.pershin@intel.com) uploaded a new patch: <a href="http://review.whamcloud.com/14113" class="external-link" target="_blank" rel="nofollow noopener">http://review.whamcloud.com/14113</a><br/> Subject: <a href="https://jira.whamcloud.com/browse/LU-6386" title="lower transno may overwrite the bigger one in client last_rcvd slot" class="issue-link" data-issue-key="LU-6386"><del>LU-6386</del></a> tgt: don't update client data with smaller transno<br/> Project: fs/lustre-release<br/> Branch: master<br/> Current Patch Set: 1<br/> Commit: af8cc22454df96abe45e26d7887fd5bc69cc3daf</p> <p>It would also be good to change the error message not to reference bugzilla, but instead an LU ticket.</p> <p>Please could you give us a link where we can download this patch RPM?</p> <p>Regards</p> <p>Oleg Drokin (oleg.drokin@intel.com) merged in patch <a href="http://review.whamcloud.com/14113/" class="external-link" target="_blank" rel="nofollow noopener">http://review.whamcloud.com/14113/</a><br/> Subject: <a href="https://jira.whamcloud.com/browse/LU-6386" title="lower transno may overwrite the bigger one in client last_rcvd slot" class="issue-link" data-issue-key="LU-6386"><del>LU-6386</del></a> tgt: don't update client data with smaller transno<br/> Project: fs/lustre-release<br/> Branch: master<br/> Current Patch Set: <br/> Commit: 5fa93f6011dc37fba3354137457b80151f46c66f</p> <p>Landed for 2.8</p> Duplicate Related LU-5319 Development Rank 1|hzx8wv: Rank (Obsolete) 9223372036854775807 Severity