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-13503 Lustre <p>Currently, an error is reported if <tt>mdc.&#42;.max_mod_rpcs_in_flight</tt> is set larger or equal to <tt>mdc.&#42;.max_rpcs_in_flight</tt>. However, it makes more sense to allow the user to set <tt>max_mod_rpcs_in_flight</tt> directly, and just increase <tt>max_rpcs_in_flight</tt> appropriately, rather than returning an error and telling the user to do that instead. </p> <p>Also, during mount config parameter processing, there may be a race between MDC setup and config log handling, so allow <tt>max_mod_rpcs_in_flight</tt> to be temporarily increased, and then it will be reduced later to the server value when the OCD information is handled.</p> LU-13503

allow setting larger max_mod_rpcs_in_flight dynamically

Improvement Minor Resolved Fixed Jian Yu Andreas Dilger Sat, 2 May 2020 00:50:31 +0000 Sun, 8 Jan 2023 19:34:16 +0000 Fri, 20 Nov 2020 21:19:50 +0000 Lustre 2.14.0 Lustre 2.12.6 0 4 <p>Andreas Dilger (adilger@whamcloud.com) uploaded a new patch: <a href="https://review.whamcloud.com/38455" class="external-link" target="_blank" rel="nofollow noopener">https://review.whamcloud.com/38455</a><br/> Subject: <a href="https://jira.whamcloud.com/browse/LU-13503" title="allow setting larger max_mod_rpcs_in_flight dynamically" class="issue-link" data-issue-key="LU-13503"><del>LU-13503</del></a> mdc: allow setting max_mod_rpcs_in_flight larger<br/> Project: fs/lustre-release<br/> Branch: master<br/> Current Patch Set: 1<br/> Commit: d5dd5b436b52885527db10a72243da5968536b16</p> <p>A separate patch is needed to allow using "<tt>lctl set_param <span class="error">&#91;-P&#93;</span> mdt.&#42;.max_mod_rpcs_in_flight=N</tt>" via the normal Lustre parameter interface. It doesn't make sense that this is only available as a module parameter.</p> <p>Note this sysfs file has issues with import locking. That should be fixed in another patch.</p> <p>Oleg Drokin (green@whamcloud.com) merged in patch <a href="https://review.whamcloud.com/38455/" class="external-link" target="_blank" rel="nofollow noopener">https://review.whamcloud.com/38455/</a><br/> Subject: <a href="https://jira.whamcloud.com/browse/LU-13503" title="allow setting larger max_mod_rpcs_in_flight dynamically" class="issue-link" data-issue-key="LU-13503"><del>LU-13503</del></a> mdc: allow setting max_mod_rpcs_in_flight larger<br/> Project: fs/lustre-release<br/> Branch: master<br/> Current Patch Set: <br/> Commit: 6d314902e6d19229379577aab60d4b20a5b4d2ea</p> <p>Landed for 2.14</p> <p>Jian Yu (yujian@whamcloud.com) uploaded a new patch: <a href="https://review.whamcloud.com/38893" class="external-link" target="_blank" rel="nofollow noopener">https://review.whamcloud.com/38893</a><br/> Subject: <a href="https://jira.whamcloud.com/browse/LU-13503" title="allow setting larger max_mod_rpcs_in_flight dynamically" class="issue-link" data-issue-key="LU-13503"><del>LU-13503</del></a> mdc: allow setting max_mod_rpcs_in_flight larger<br/> Project: fs/lustre-release<br/> Branch: b2_12<br/> Current Patch Set: 1<br/> Commit: 32efe830b5952130ff2eee26659e3c92a120c9a9</p> <p>There are two more patches needed for this ticket.</p> <p>Oleg Drokin (green@whamcloud.com) merged in patch <a href="https://review.whamcloud.com/38893/" class="external-link" target="_blank" rel="nofollow noopener">https://review.whamcloud.com/38893/</a><br/> Subject: <a href="https://jira.whamcloud.com/browse/LU-13503" title="allow setting larger max_mod_rpcs_in_flight dynamically" class="issue-link" data-issue-key="LU-13503"><del>LU-13503</del></a> mdc: allow setting max_mod_rpcs_in_flight larger<br/> Project: fs/lustre-release<br/> Branch: b2_12<br/> Current Patch Set: <br/> Commit: ef8b218c99f69bc8f2aa632c3c5c457d73b01854</p> <p>The issue in this ticket was resolved. The remaining two separate issues are tracked in <a href="https://jira.whamcloud.com/browse/LU-14144" title="get and set Lustre module parameters via &quot;lctl get_param/set_param&quot;" class="issue-link" data-issue-key="LU-14144">LU-14144</a> and <a href="https://jira.whamcloud.com/browse/LU-14145" title="protect cli-&gt;cl_import with with_imp_locked()" class="issue-link" data-issue-key="LU-14145">LU-14145</a>.</p> Related LU-14145 LU-16454 LU-14144 Development Rank 1|i00zbr: Rank (Obsolete) 9223372036854775807