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-11736 Lustre <p>The <tt>max_sectors_kb</tt> tunable should not be applied to MDT and MGT devices. This tuning is needed for efficiency of large IO submission for spinning disks, but is not needed for SSDs or regular IO. It can cause problems with DM Multipath configurations for minimal benefits, so should be limited to OST devices.</p> LU-11736

Do not apply bulk IO tuning on MDT or MGT devices

Improvement Minor Resolved Fixed Andreas Dilger Andreas Dilger Thu, 6 Dec 2018 00:17:55 +0000 Tue, 14 Jul 2020 20:12:22 +0000 Fri, 4 Jan 2019 05:31:31 +0000 Lustre 2.12.0 Lustre 2.10.6 Lustre 2.13.0 Lustre 2.10.7 Lustre 2.12.1 0 3 <p>Andreas Dilger (adilger@whamcloud.com) uploaded a new patch: <a href="https://review.whamcloud.com/33796" class="external-link" target="_blank" rel="nofollow noopener">https://review.whamcloud.com/33796</a><br/> Subject: <a href="https://jira.whamcloud.com/browse/LU-11736" title="Do not apply bulk IO tuning on MDT or MGT devices" class="issue-link" data-issue-key="LU-11736"><del>LU-11736</del></a> utils: don't set max_sectors_kb on MDT/MGT<br/> Project: fs/lustre-release<br/> Branch: master<br/> Current Patch Set: 1<br/> Commit: 29de0bf95ad262ee21c010cb2182d234396790c0</p> <p>Oleg Drokin (green@whamcloud.com) merged in patch <a href="https://review.whamcloud.com/33796/" class="external-link" target="_blank" rel="nofollow noopener">https://review.whamcloud.com/33796/</a><br/> Subject: <a href="https://jira.whamcloud.com/browse/LU-11736" title="Do not apply bulk IO tuning on MDT or MGT devices" class="issue-link" data-issue-key="LU-11736"><del>LU-11736</del></a> utils: don't set max_sectors_kb on MDT/MGT<br/> Project: fs/lustre-release<br/> Branch: master<br/> Current Patch Set: <br/> Commit: 2f8d7b4679de3fa467040aa61733f262714e39c9</p> <p>Landed for 2.13</p> <p>Not really, just need to put the OST check hunk at the top of <tt>set_blockdwv_tunables()</tt> after the initial sanity checks. </p> <p>Andreas Dilger (adilger@whamcloud.com) uploaded a new patch: <a href="https://review.whamcloud.com/34016" class="external-link" target="_blank" rel="nofollow noopener">https://review.whamcloud.com/34016</a><br/> Subject: <a href="https://jira.whamcloud.com/browse/LU-11736" title="Do not apply bulk IO tuning on MDT or MGT devices" class="issue-link" data-issue-key="LU-11736"><del>LU-11736</del></a> utils: don't set max_sectors_kb on MDT/MGT<br/> Project: fs/lustre-release<br/> Branch: b2_10<br/> Current Patch Set: 1<br/> Commit: 06c30f11599c7b9d657baf70dbe1b972fec3db98</p> <p>Oleg Drokin (green@whamcloud.com) merged in patch <a href="https://review.whamcloud.com/34016/" class="external-link" target="_blank" rel="nofollow noopener">https://review.whamcloud.com/34016/</a><br/> Subject: <a href="https://jira.whamcloud.com/browse/LU-11736" title="Do not apply bulk IO tuning on MDT or MGT devices" class="issue-link" data-issue-key="LU-11736"><del>LU-11736</del></a> utils: don't set max_sectors_kb on MDT/MGT<br/> Project: fs/lustre-release<br/> Branch: b2_10<br/> Current Patch Set: <br/> Commit: 8191b9b5a81a50edde7d5c949fb4c3aa7ed3f143</p> <p>Minh Diep (mdiep@whamcloud.com) uploaded a new patch: <a href="https://review.whamcloud.com/34311" class="external-link" target="_blank" rel="nofollow noopener">https://review.whamcloud.com/34311</a><br/> Subject: <a href="https://jira.whamcloud.com/browse/LU-11736" title="Do not apply bulk IO tuning on MDT or MGT devices" class="issue-link" data-issue-key="LU-11736"><del>LU-11736</del></a> utils: don't set max_sectors_kb on MDT/MGT<br/> Project: fs/lustre-release<br/> Branch: b2_12<br/> Current Patch Set: 1<br/> Commit: 5a3f0110f1d817740bdcc4e36288d989cc658a99</p> <p>Oleg Drokin (green@whamcloud.com) merged in patch <a href="https://review.whamcloud.com/34311/" class="external-link" target="_blank" rel="nofollow noopener">https://review.whamcloud.com/34311/</a><br/> Subject: <a href="https://jira.whamcloud.com/browse/LU-11736" title="Do not apply bulk IO tuning on MDT or MGT devices" class="issue-link" data-issue-key="LU-11736"><del>LU-11736</del></a> utils: don't set max_sectors_kb on MDT/MGT<br/> Project: fs/lustre-release<br/> Branch: b2_12<br/> Current Patch Set: <br/> Commit: 11ee8fe9363c025b81e5efcff9c2a54e372f954a</p> Related LU-9551 LU-9132 LU-11563 LU-12387 LU-12530 Development Rank 1|i007gv: Rank (Obsolete) 9223372036854775807