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-7442 Lustre <p>modules unloaded.<br/> error: set_param: /proc/</p> {fs,sys}/{lnet,lustre}/fail_loc: Found no match<br/> Starting mds1: -o rw,user_xattr /dev/vdb /mnt/mds1<br/> mount.lustre: set /sys/block/vdb/queue/max_sectors_kb to 2147483647<br/> <br/> error: set_param: /proc/{fs,sys} <p>/</p> {lnet,lustre} <p>/fail_loc: Found no match<br/> Starting mds1: -o rw,user_xattr /dev/vdb /mnt/mds1<br/> mount.lustre: set /sys/block/vdb/queue/max_sectors_kb to 2147483647</p> <p>mount.lustre: mount /dev/vdb at /mnt/mds1 failed: File exists<br/> Start of /dev/vdb on mds1 failed 17<br/> Started lustre-MDT0000<br/> Stopping /mnt/mds1 (opts:-f) on fre819<br/> conf-sanity test_41c: @@@@@@ FAIL: unexpected concurent MDT mounts result, rc=17 rc2=0 </p> single node setup LU-7442

conf-sanity test_41c: @@@@@@ FAIL: unexpected concurent MDT mounts rc=17 rc2=0

Bug Major Resolved Fixed Bruno Faccini hemaharish Tue, 17 Nov 2015 10:52:18 +0000 Mon, 28 Nov 2016 20:09:04 +0000 Sat, 6 Aug 2016 12:58:37 +0000 Lustre 2.8.0 Lustre 2.9.0 0 6 <p>Looks like conf-sanity/test_41c needs some fixes/cleanup, as for <a href="https://jira.whamcloud.com/browse/LU-5921" title="conf-sanity test_41c: unexpected concurent OST mounts result, rc=0 rc2=1" class="issue-link" data-issue-key="LU-5921"><del>LU-5921</del></a> which is already assigned to me.<br/> In this particular ticket's case, it seems that the modules unload prevented the fail_loc setting for the test ...<br/> I will cook a patch soon.</p> <p>Hi,<br/> We worked on this patch. Call to "load_modules" fixed the issue, the test case was pass, will land the patch.</p> <div class="code panel" style="border-width: 1px;"><div class="codeContent panelContent"> <pre class="code-java"> == conf-sanity test 41c: concurrent mounts of MDT/OST should all fail but one == 10:42:24 (1447996344) umount lustre on /mnt/lustre..... stop ost1 service on centos6.6-Upstream-landing stop mds service on centos6.6-Upstream-landing modules unloaded. Loading modules from /home/hema/xyratex/code/lustre-wc-rel/lustre/tests/.. detected 1 online CPUs by sysfs libcfs will create CPU partition based on online CPUs debug=-1 subsystem_debug=all -lnet -lnd -pinger gss/krb5 is not supported quota/lquota options: <span class="code-quote">'hash_lqs_cur_bits=3'</span> fail_loc=0x703 Starting mds1: -o loop /tmp/lustre-mdt1 /mnt/mds1 fail_loc=0x0 Starting mds1: -o loop /tmp/lustre-mdt1 /mnt/mds1 mount.lustre: mount /dev/loop1 at /mnt/mds1 failed: Operation already in progress The target service is already running. (/dev/loop1) Start of /tmp/lustre-mdt1 on mds1 failed 114 Started lustre-MDT0000 1st MDT start succeed 2nd MDT start failed with EALREADY fail_loc=0x703 Starting ost1: -o loop /tmp/lustre-ost1 /mnt/ost1 fail_loc=0x0 Starting ost1: -o loop /tmp/lustre-ost1 /mnt/ost1 mount.lustre: mount /dev/loop2 at /mnt/ost1 failed: Operation already in progress The target service is already running. (/dev/loop2) Start of /tmp/lustre-ost1 on ost1 failed 114 Started lustre-OST0000 1st OST start succeed 2nd OST start failed with EALREADY stop mds service on centos6.6-Upstream-landing Stopping /mnt/mds1 (opts:-f) on centos6.6-Upstream-landing Stopping /mnt/ost1 (opts:-f) on centos6.6-Upstream-landing start mds service on centos6.6-Upstream-landing Starting mds1: -o loop /tmp/lustre-mdt1 /mnt/mds1 Started lustre-MDT0000 start ost1 service on centos6.6-Upstream-landing Starting ost1: -o loop /tmp/lustre-ost1 /mnt/ost1 Started lustre-OST0000 mount lustre on /mnt/lustre..... Starting client: centos6.6-Upstream-landing: -o user_xattr,flock centos6.6-Upstream-landing@tcp:/lustre /mnt/lustre setup single mount lustre success umount lustre on /mnt/lustre..... Stopping client centos6.6-Upstream-landing /mnt/lustre (opts:) stop ost1 service on centos6.6-Upstream-landing Stopping /mnt/ost1 (opts:-f) on centos6.6-Upstream-landing stop mds service on centos6.6-Upstream-landing Stopping /mnt/mds1 (opts:-f) on centos6.6-Upstream-landing modules unloaded. Resetting fail_loc on all nodes...done. PASS 41c (78s) </pre> </div></div> <p>HemaHarish (hema.yarramilli@seagate.com) uploaded a new patch: <a href="http://review.whamcloud.com/17301" class="external-link" target="_blank" rel="nofollow noopener">http://review.whamcloud.com/17301</a><br/> Subject: <a href="https://jira.whamcloud.com/browse/LU-7442" title="conf-sanity test_41c: @@@@@@ FAIL: unexpected concurent MDT mounts rc=17 rc2=0 " class="issue-link" data-issue-key="LU-7442"><del>LU-7442</del></a> test: Unexpected concurent MDT mounts in conf-sanity 41c<br/> Project: fs/lustre-release<br/> Branch: master<br/> Current Patch Set: 1<br/> Commit: 3ac88c6a184ca0db1fda8368ec1e4590cd446ffe</p> <p>The reason of the failure (in fact the non-permanent failure!) is still a bit mysterious for me, but patch re-loading of modules after cleanup is harmless and will clear any special cases...<br/> Just for my information, was this failure permanent during you testing ?</p> <p>Yes, failure was permanent on single node setup without patch.</p> <p>hemaharish,<br/> Sorry to be late on this, but am I right if I think that you can encounter this problem solid (I mean the missing load_modules) when you run conf-sanity/test_41c as a single test run and not as part as full conf-sanity test suite ??</p> <p>Thanks Bruno. I have rebased my patch against the patch <a href="http://review.whamcloud.com/#/c/17427" class="external-link" target="_blank" rel="nofollow noopener">http://review.whamcloud.com/#/c/17427</a> to resolve conf-sanity test_41c failure.</p> <p>Oleg Drokin (oleg.drokin@intel.com) merged in patch <a href="http://review.whamcloud.com/17301/" class="external-link" target="_blank" rel="nofollow noopener">http://review.whamcloud.com/17301/</a><br/> Subject: <a href="https://jira.whamcloud.com/browse/LU-7442" title="conf-sanity test_41c: @@@@@@ FAIL: unexpected concurent MDT mounts rc=17 rc2=0 " class="issue-link" data-issue-key="LU-7442"><del>LU-7442</del></a> tests: Load modules on MDS/OSS in conf-sanity test_41c<br/> Project: fs/lustre-release<br/> Branch: master<br/> Current Patch Set: <br/> Commit: 3973c51b0ba246fb9904235206e6b9269d670a51</p> <p>Landed for 2.9</p> Related LU-5921 Development Rank 1|hzxta7: Rank (Obsolete) 9223372036854775807 Severity