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-11919 Lustre <p>cl_dirty_max_pages (the internal representation of max_dirty_mb) is not zeroed at initialization.  The function client_adjust_max_dirty is called, but it only sets it if the value is &lt;= 0, which will be true <b>most</b> of the time for random memory...  But not all of the time.</p> <p>So sometimes cl_max_dirty_pages ends up at some random positive value.  Easy fix.</p> LU-11919

cl_max_dirty_pages not zeroed on startup

Bug Minor Resolved Fixed Patrick Farrell Patrick Farrell Mon, 4 Feb 2019 03:38:19 +0000 Mon, 8 Apr 2019 14:20:44 +0000 Tue, 19 Feb 2019 06:11:12 +0000 Lustre 2.13.0 Lustre 2.12.1 0 4 <p>This is the issue causing the odd max_dirty_mb values.  (The grant request issue is separate and should still be fixed with that patch.)</p> <p>Patrick Farrell (pfarrell@whamcloud.com) uploaded a new patch: <a href="https://review.whamcloud.com/34173" class="external-link" target="_blank" rel="nofollow noopener">https://review.whamcloud.com/34173</a><br/> Subject: <a href="https://jira.whamcloud.com/browse/LU-11919" title="cl_max_dirty_pages not zeroed on startup" class="issue-link" data-issue-key="LU-11919"><del>LU-11919</del></a> llite: Initialize cl_dirty_max_pages<br/> Project: fs/lustre-release<br/> Branch: master<br/> Current Patch Set: 1<br/> Commit: 6f7ceb99574ddf136f18ba77c3a3c41887464529</p> <p>Oleg Drokin (green@whamcloud.com) merged in patch <a href="https://review.whamcloud.com/34173/" class="external-link" target="_blank" rel="nofollow noopener">https://review.whamcloud.com/34173/</a><br/> Subject: <a href="https://jira.whamcloud.com/browse/LU-11919" title="cl_max_dirty_pages not zeroed on startup" class="issue-link" data-issue-key="LU-11919"><del>LU-11919</del></a> llite: Initialize cl_dirty_max_pages<br/> Project: fs/lustre-release<br/> Branch: master<br/> Current Patch Set: <br/> Commit: 2e9c896dec6d5c582c5dd24d3026e8324dfa807c</p> <p>Landed for 2.13</p> <p>Minh Diep (mdiep@whamcloud.com) uploaded a new patch: <a href="https://review.whamcloud.com/34458" class="external-link" target="_blank" rel="nofollow noopener">https://review.whamcloud.com/34458</a><br/> Subject: <a href="https://jira.whamcloud.com/browse/LU-11919" title="cl_max_dirty_pages not zeroed on startup" class="issue-link" data-issue-key="LU-11919"><del>LU-11919</del></a> llite: Initialize cl_dirty_max_pages<br/> Project: fs/lustre-release<br/> Branch: b2_12<br/> Current Patch Set: 1<br/> Commit: f5c0d51c8e372de438a2c469e9cfbfc96d888ccd</p> <p>Oleg Drokin (green@whamcloud.com) merged in patch <a href="https://review.whamcloud.com/34458/" class="external-link" target="_blank" rel="nofollow noopener">https://review.whamcloud.com/34458/</a><br/> Subject: <a href="https://jira.whamcloud.com/browse/LU-11919" title="cl_max_dirty_pages not zeroed on startup" class="issue-link" data-issue-key="LU-11919"><del>LU-11919</del></a> llite: Initialize cl_dirty_max_pages<br/> Project: fs/lustre-release<br/> Branch: b2_12<br/> Current Patch Set: <br/> Commit: 7c8d60106acd5a781660a05fef7612a7db5b243f</p> Related Development Rank 1|i00avj: Rank (Obsolete) 9223372036854775807 Severity