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-3742 Lustre <p>This issue was created by maloo for sarah &lt;sarah@whamcloud.com&gt;</p> <p>This issue relates to the following test suite run: <a href="http://maloo.whamcloud.com/test_sets/8fb8e4fa-00b1-11e3-b58a-52540035b04c" class="external-link" target="_blank" rel="nofollow noopener">http://maloo.whamcloud.com/test_sets/8fb8e4fa-00b1-11e3-b58a-52540035b04c</a>.</p> <p>The sub-test test_0c failed with the following error:</p> <blockquote> <p>File exists and it shouldn't</p></blockquote> <p>Info required for matching: replay-single 0c</p> LU-3742

Failure on test suite replay-single test_0c

Bug Blocker Resolved Duplicate Bob Glossman Maloo Tue, 13 Aug 2013 01:54:01 +0000 Mon, 2 Jun 2014 16:47:36 +0000 Mon, 17 Feb 2014 09:53:18 +0000 Lustre 2.6.0 0 8 <p>Bob,<br/> could you have a look at this one?<br/> Thank you!</p> <p>This issue happens very often and is not on SLES<br/> <a href="https://maloo.whamcloud.com/test_sets/0236d094-0fbe-11e3-81e3-52540035b04c" class="external-link" target="_blank" rel="nofollow noopener">https://maloo.whamcloud.com/test_sets/0236d094-0fbe-11e3-81e3-52540035b04c</a></p> <p>I've been seeing this very consistently testing 2.4.1/ldiskfs with both SLES and RHEL on a small o2ib cluster.<br/> I also observed it with master/ldiskfs circa 2013.10.16 on sles11sp3.<br/> Haven't tested RHEL/master.</p> <p>As I understand this test, it looks like replay_barrier fails to set the mds to read only:</p> <p>00000004:00020000:13.0:1386118021.849836:0:15877:0:(osd_handler.c:1202:osd_ro()) accfs1-MDT0000: ffff8802d91af100 CANNOT BE SET READONLY: rc = -95</p> <p>so this op from the client succeeds:</p> <p>00000080:00200000:9.0:1386118022.019764:0:6304:0:(namei.c:931:ll_mknod_generic()) VFS Op:name=f.replay-single.0c,dir=144115188193296385/33554432(ffff880231856ab8) mode 100644 dev 0</p> <p>when it should not have. So the underlying problem is the failure to set the mds to read only, which I haven't looked into yet.</p> <p>Lustre build: <a href="http://build.whamcloud.com/job/lustre-reviews/20841/" class="external-link" target="_blank" rel="nofollow noopener">http://build.whamcloud.com/job/lustre-reviews/20841/</a><br/> Distro/Arch: SLES11SP3/x86_64 (both server and client, kernel version: 3.0.101-0.8)</p> <p>The same failure occurred:<br/> <a href="https://maloo.whamcloud.com/test_sets/bba9bbc0-7988-11e3-a27b-52540035b04c" class="external-link" target="_blank" rel="nofollow noopener">https://maloo.whamcloud.com/test_sets/bba9bbc0-7988-11e3-a27b-52540035b04c</a></p> <p>replay-vbr also failed:</p> <div class="preformatted panel" style="border-width: 1px;"><div class="preformattedContent panelContent"> <pre>Started lustre-MDT0000 replay-vbr test_1b: @@@@@@ FAIL: client-9vm2 not evicted </pre> </div></div> <p>Dmesg on MDS:</p> <div class="preformatted panel" style="border-width: 1px;"><div class="preformattedContent panelContent"> <pre>[34280.771742] Lustre: DEBUG MARKER: == replay-vbr test 1b: open (O_CREAT) checks version of parent ======================================= 23:32:02 (1389252722) [34281.224214] Lustre: DEBUG MARKER: /usr/sbin/lctl set_param mdd.lustre-MDT0000.sync_permission=0 [34281.288646] Lustre: DEBUG MARKER: /usr/sbin/lctl set_param mdt.lustre-MDT0000.commit_on_sharing=0 [34281.557155] Lustre: DEBUG MARKER: sync; sync; sync [34282.532809] Lustre: DEBUG MARKER: /usr/sbin/lctl --device lustre-MDT0000 notransno [34282.604148] Lustre: DEBUG MARKER: /usr/sbin/lctl --device lustre-MDT0000 readonly [34282.638590] LustreError: 25608:0:(osd_handler.c:1267:osd_ro()) lustre-MDT0000: ffff88007f7b2100 CANNOT BE SET READONLY: rc = -95 [34282.638596] LustreError: 25608:0:(osd_handler.c:1267:osd_ro()) Skipped 7 previous similar messages </pre> </div></div> <p>Maloo report: <a href="https://maloo.whamcloud.com/test_sets/43ce86d2-798b-11e3-a27b-52540035b04c" class="external-link" target="_blank" rel="nofollow noopener">https://maloo.whamcloud.com/test_sets/43ce86d2-798b-11e3-a27b-52540035b04c</a></p> Duplicate LU-4470 Development Rank 1|hzvxsv: Rank (Obsolete) 9659 Severity