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-6388 Lustre <p>llog_reader does not handle records of type CHANGELOG_REC or CHANGELOG_USER_REC. In addition, its output for records in the changelog_catalog (type LLOG_LOGID_MAGIC) is more obscure than it needs to be.</p> <p>The change submitted adds support for those unhandled record types. It also provides the actual pathname to the lustre log containing changelog records, that one would need when mounting an ldiskfs or zfs target via the posix layer for inspection.</p> LU-6388

llog_reader cannot parse changelog records

Bug Minor Resolved Fixed Emoly Liu Olaf Faaland llnl llnlfixready patch Thu, 19 Mar 2015 22:01:10 +0000 Mon, 18 Jul 2016 21:52:08 +0000 Wed, 16 Sep 2015 13:31:13 +0000 Lustre 2.7.0 Lustre 2.8.0 0 8 <p>Patch to be submitted to gerrit RSN.</p> <p>Olaf Faaland-LLNL (faaland1@llnl.gov) uploaded a new patch: <a href="http://review.whamcloud.com/14120" class="external-link" target="_blank" rel="nofollow noopener">http://review.whamcloud.com/14120</a><br/> Subject: <a href="https://jira.whamcloud.com/browse/LU-6388" title="llog_reader cannot parse changelog records" class="issue-link" data-issue-key="LU-6388"><del>LU-6388</del></a> utils: make llog_reader parse changelogs<br/> Project: fs/lustre-release<br/> Branch: master<br/> Current Patch Set: 1<br/> Commit: 21eaccd05daa592572eb0ee99146194219bd09cc</p> <p>Submitted the patch, link above. </p> <p>I'll check with Li Xi re: <a href="https://jira.whamcloud.com/browse/LU-632" title="llog_reader loops forever on an empty file" class="issue-link" data-issue-key="LU-632"><del>LU-632</del></a> which touches some of the same areas of code to resolve the conflict. I've left the space indentation in the functions alone, because I think changing it obscures content in the diff view, but I'll address style after any content issues are identified and corrected.</p> <p>Emoly</p> <p>Could you please take care of this patch?</p> <p>Thanks</p> <p>Peter</p> <p>Hello Emoly,</p> <p>Please suggest a next step.</p> <p>Lustre-initialization-1 within review-zfs failed because mkfs.lustre failed to initialize the ZFS OSD on shadow-21vm7 (the OSS). </p> <p>Looking at the <b>syslog</b> files for 21vm7 (OSS) and 21vm8 (MDS) I see that yum installed the lustre-osd-zfs-mount and lustre-osd-zfs packages on 21vm8 but not on 21vm7.</p> <p>This patch does not touch the zfs OSD in any way, and local testing via llmount.sh with FSTYPE=zfs is successful. See below from lustre-initialization-1.suite_stdout.shadow-21vm9.log</p> <div class="preformatted panel" style="border-width: 1px;"><div class="preformattedContent panelContent"> <pre>lustre-initialization-1.suite_stdout.shadow-21vm9.log:00:33:15:CMD: shadow-21vm7 mkfs.lustre --mgsnode=shadow-21vm8@tcp --fsname=lustre --ost --index=0 --param=sys.timeout=20 --backfstype=zfs --device-size=8388608 --reformat lustre-ost1/ost1 /dev/lvm-Role_OSS/P1 lustre-initialization-1.suite_stdout.shadow-21vm9.log:00:33:15:shadow-21vm7: mkfs.lustre FATAL: unhandled fs type 5 'zfs' lustre-initialization-1.suite_stdout.shadow-21vm9.log:00:33:15:shadow-21vm7: mkfs.lustre FATAL: unable to prepare backend (22) lustre-initialization-1.suite_stdout.shadow-21vm9.log:00:33:15:shadow-21vm7: mkfs.lustre: exiting with 22 (Invalid argument) </pre> </div></div> <p>So it looks like the script that sets up the test environment failed to generate the correct yum install commands on the oss node.</p> <p>Please let me know how to address this.</p> <p>thanks,<br/> Olaf</p> <p>Olaf, I will re-trigger the test and see if this error happens again.</p> <p>Hi Emoly,<br/> Please review the patch when you get a chance.<br/> thanks,<br/> -Olaf</p> <p>Oleg Drokin (oleg.drokin@intel.com) merged in patch <a href="http://review.whamcloud.com/14120/" class="external-link" target="_blank" rel="nofollow noopener">http://review.whamcloud.com/14120/</a><br/> Subject: <a href="https://jira.whamcloud.com/browse/LU-6388" title="llog_reader cannot parse changelog records" class="issue-link" data-issue-key="LU-6388"><del>LU-6388</del></a> utils: make llog_reader parse changelogs<br/> Project: fs/lustre-release<br/> Branch: master<br/> Current Patch Set: <br/> Commit: bd61b6f1bb9848167d0cdecb22099856c3ad98ca</p> <p>Landed for 2.8.</p> <p>Olaf, Chris, do we have this patch in our local release?</p> <p>Marc,</p> <p>Yes, this patch is in lustre 2.5.5-3chaos (included in toss 2.4-6.ch5.4) and I believe was in earlier releases as well.</p> <p>-Olaf</p> Related Development Rank 1|hzx8z3: Rank (Obsolete) 9223372036854775807 Severity