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-8710 Lustre <p>This issue was mentioned when Lustre performance was tested on ZFS.</p> <p>To reproduce this, set a CPU offline:</p> <div class="preformatted panel" style="border-width: 1px;"><div class="preformattedContent panelContent"> <pre>[root@centos7 tests]# echo 0 &gt; /sys/devices/system/cpu/cpu0/online [root@centos7 tests]# cat /sys/devices/system/cpu/cpu0/online 0 [root@centos7 tests]# REFORMAT=yes OSTCOUNT=4 sh llmount.sh Stopping clients: centos7 /mnt/lustre (opts:) Stopping clients: centos7 /mnt/lustre2 (opts:) Loading modules from /Users/jxiong/srcs/pfl/lustre/tests/.. detected 4 online CPUs by sysfs Force libcfs to create 2 CPU partitions ../libcfs/libcfs/libcfs options: 'cpu_npartitions=2' insmod: ERROR: could not insert module /Users/jxiong/srcs/pfl/lustre/tests/../../libcfs/libcfs/libcfs.ko: Operation not permitted </pre> </div></div> <p>Really easy to be reproduced. </p> LU-8710

libcfs fails to install when some CPUs are disabled

Bug Minor Resolved Fixed Dmitry Eremin Jinshan Xiong Sun, 16 Oct 2016 01:46:18 +0000 Tue, 24 Jan 2017 14:31:16 +0000 Tue, 24 Jan 2017 14:31:16 +0000 Lustre 2.10.0 0 5 <p>The same as <a href="https://jira.whamcloud.com/browse/LU-8703" title="rework CPU partition code" class="issue-link" data-issue-key="LU-8703"><del>LU-8703</del></a></p> <p>reopen to provide small patch instead of fix as part of other patch,</p> <p>Patch is <a href="http://review.whamcloud.com/23305" class="external-link" target="_blank" rel="nofollow noopener">http://review.whamcloud.com/23305</a></p> <p>Oleg Drokin (oleg.drokin@intel.com) merged in patch <a href="https://review.whamcloud.com/23305/" class="external-link" target="_blank" rel="nofollow noopener">https://review.whamcloud.com/23305/</a><br/> Subject: <a href="https://jira.whamcloud.com/browse/LU-8710" title="libcfs fails to install when some CPUs are disabled" class="issue-link" data-issue-key="LU-8710"><del>LU-8710</del></a> ptlrpc: use current CPU instead of harcoded 0<br/> Project: fs/lustre-release<br/> Branch: master<br/> Current Patch Set: <br/> Commit: ef94e4d1bb4350a811da6123993b8289d3d3c43e</p> <p>Landed for 2.10</p> Duplicate LU-8703 Development Rank 1|hzyryv: Rank (Obsolete) 9223372036854775807 Severity