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-16873 Lustre <p>The fix for <a href="https://jira.whamcloud.com/browse/LU-16655" title="Files not accessible after 2.12 -&gt; 2.14/2.15 upgrade" class="issue-link" data-issue-key="LU-16655"><del>LU-16655</del></a> detects the format change correctly but does not write new oi scrub file magic , so new mount triggers the "oi files counter reset" again and again:</p> <div class="preformatted panel" style="border-width: 1px;"><div class="preformattedContent panelContent"> <pre>[root@devvm4 tests]# LCTL=/home/zam/work/git/lustre-wc-rel/lustre/utils/lctl [root@devvm4 tests]# umount /mnt/lustre-mds1/ [root@devvm4 tests]# mount -t ldiskfs /dev/mapper/mds1_flakey /mnt/lustre-mds1/ [root@devvm4 tests]# dd if=$HOME/OI_scrub.v1 of=/mnt/lustre-mds1/OI_scrub seek=16 skip=16 bs=1 conv=notrunc 384+0 records in 384+0 records out 384 bytes copied, 0.00154305 s, 249 kB/s [root@devvm4 tests]# echo -n -e '\x01\x00' | dd of=/mnt/lustre-mds1/OI_scrub bs=1 count=2 status=none seek=136 conv=notrunc [root@devvm4 tests]# umount /mnt/lustre-mds1/ [root@devvm4 tests]# mount -t lustre /dev/mapper/mds1_flakey /mnt/lustre-mds1/ [root@devvm4 tests]# $LCTL get_param *.*.oi_scrub | grep oi_files oi_files: 64 oi_files: 64 oi_files: 64 [root@devvm4 tests]# [root@devvm4 tests]# dmesg | grep LU-16655 [ 3325.250365] Lustre: 62237:0:(scrub.c:189:scrub_file_load()) lustre-MDT0000: reset scrub OI count for format change (LU-16655) [root@devvm4 tests]# umount /mnt/lustre-mds1/ [root@devvm4 tests]# mount -t lustre /dev/mapper/mds1_flakey /mnt/lustre-mds1/ [root@devvm4 tests]# dmesg | grep LU-16655 [ 3325.250365] Lustre: 62237:0:(scrub.c:189:scrub_file_load()) lustre-MDT0000: reset scrub OI count for format change (LU-16655) [ 3344.469841] Lustre: 62344:0:(scrub.c:189:scrub_file_load()) lustre-MDT0000: reset scrub OI count for format change (LU-16655) [root@devvm4 tests]# umount /mnt/lustre-mds1/ [root@devvm4 tests]# mount -t lustre /dev/mapper/mds1_flakey /mnt/lustre-mds1/ [root@devvm4 tests]# dmesg | grep LU-16655 [ 3325.250365] Lustre: 62237:0:(scrub.c:189:scrub_file_load()) lustre-MDT0000: reset scrub OI count for format change (LU-16655) [ 3344.469841] Lustre: 62344:0:(scrub.c:189:scrub_file_load()) lustre-MDT0000: reset scrub OI count for format change (LU-16655) [root@devvm4 tests]# umount /mnt/lustre-mds1/ [root@devvm4 tests]# mount -t lustre /dev/mapper/mds1_flakey /mnt/lustre-mds1/ [root@devvm4 tests]# dmesg | grep LU-16655 [ 3325.250365] Lustre: 62237:0:(scrub.c:189:scrub_file_load()) lustre-MDT0000: reset scrub OI count for format change (LU-16655) [ 3344.469841] Lustre: 62344:0:(scrub.c:189:scrub_file_load()) lustre-MDT0000: reset scrub OI count for format change (LU-16655) [ 3379.617818] Lustre: 62529:0:(scrub.c:189:scrub_file_load()) lustre-MDT0000: reset scrub OI count for format change (LU-16655) [root@devvm4 tests]# umount /mnt/lustre-mds1/ [root@devvm4 tests]# mount -t lustre /dev/mapper/mds1_flakey /mnt/lustre-mds1/ [root@devvm4 tests]# dmesg | grep LU-16655 [ 3325.250365] Lustre: 62237:0:(scrub.c:189:scrub_file_load()) lustre-MDT0000: reset scrub OI count for format change (LU-16655) [ 3344.469841] Lustre: 62344:0:(scrub.c:189:scrub_file_load()) lustre-MDT0000: reset scrub OI count for format change (LU-16655) [ 3379.617818] Lustre: 62529:0:(scrub.c:189:scrub_file_load()) lustre-MDT0000: reset scrub OI count for format change (LU-16655) [ 3432.251449] Lustre: 62622:0:(scrub.c:189:scrub_file_load()) lustre-MDT0000: reset scrub OI count for format change (LU-16655) [root@devvm4 tests]# </pre> </div></div> LU-16873

LU-16655 fix doesn't update OI_Scrub with new magic

Bug Major Resolved Fixed Alexander Zarochentsev Alexander Zarochentsev Mon, 5 Jun 2023 17:24:35 +0000 Fri, 2 Feb 2024 16:09:15 +0000 Wed, 14 Jun 2023 22:00:02 +0000 Lustre 2.15.3 Lustre 2.16.0 Lustre 2.15.4 0 4 <p>"Alexander Zarochentsev &lt;alexander.zarochentsev@hpe.com&gt;" uploaded a new patch: <a href="https://review.whamcloud.com/c/fs/lustre-release/+/51226" class="external-link" target="_blank" rel="nofollow noopener">https://review.whamcloud.com/c/fs/lustre-release/+/51226</a><br/> Subject: <a href="https://jira.whamcloud.com/browse/LU-16873" title="LU-16655 fix doesn&#39;t update OI_Scrub with new magic" class="issue-link" data-issue-key="LU-16873"><del>LU-16873</del></a> osd: update OI_Scrub file with new magic<br/> Project: fs/lustre-release<br/> Branch: master<br/> Current Patch Set: 1<br/> Commit: 255d80005018ab51dd41c6d8be60745c68194450</p> <p>the test from the description after applying the fix:</p> <div class="preformatted panel" style="border-width: 1px;"><div class="preformattedContent panelContent"> <pre>... [root@devvm4 tests]# umount /mnt/lustre-mds1/ [root@devvm4 tests]# mount -t lustre /dev/mapper/mds1_flakey /mnt/lustre-mds1/ [root@devvm4 tests]# dmesg | grep LU-16655 [ 3941.062617] Lustre: 68735:0:(scrub.c:191:scrub_file_load()) lustre-MDT0000: reset scrub OI count for format change (LU-16655) [root@devvm4 tests]# umount /mnt/lustre-mds1/ [root@devvm4 tests]# mount -t lustre /dev/mapper/mds1_flakey /mnt/lustre-mds1/ [root@devvm4 tests]# dmesg | grep LU-16655 [ 3941.062617] Lustre: 68735:0:(scrub.c:191:scrub_file_load()) lustre-MDT0000: reset scrub OI count for format change (LU-16655) [root@devvm4 tests]# </pre> </div></div> <p>Zam, just to confirm, the <a href="https://jira.whamcloud.com/browse/LU-16655" title="Files not accessible after 2.12 -&gt; 2.14/2.15 upgrade" class="issue-link" data-issue-key="LU-16655"><del>LU-16655</del></a> fix still <b>works</b> correctly, and the console message is confusing/annoying, but not a sign of problems? Just trying to determine if this is a must-have patch for the 2.15.3 release, or if it is not critical (and more important to get the actual <a href="https://jira.whamcloud.com/browse/LU-16655" title="Files not accessible after 2.12 -&gt; 2.14/2.15 upgrade" class="issue-link" data-issue-key="LU-16655"><del>LU-16655</del></a> fix released).</p> <p><a href="https://jira.whamcloud.com/secure/ViewProfile.jspa?name=adilger" class="user-hover" rel="adilger">adilger</a> , <br/> &gt;Zam, just to confirm, the <a href="https://jira.whamcloud.com/browse/LU-16655" title="Files not accessible after 2.12 -&gt; 2.14/2.15 upgrade" class="issue-link" data-issue-key="LU-16655"><del>LU-16655</del></a> fix still works correctly, and the console message is confusing/annoying, but not a sign of problems?</p> <p>it doesn't break anything. it only recalculates the number of oi files each mount and prints the error message.</p> <p>"Oleg Drokin &lt;green@whamcloud.com&gt;" merged in patch <a href="https://review.whamcloud.com/c/fs/lustre-release/+/51226/" class="external-link" target="_blank" rel="nofollow noopener">https://review.whamcloud.com/c/fs/lustre-release/+/51226/</a><br/> Subject: <a href="https://jira.whamcloud.com/browse/LU-16873" title="LU-16655 fix doesn&#39;t update OI_Scrub with new magic" class="issue-link" data-issue-key="LU-16873"><del>LU-16873</del></a> osd: update OI_Scrub file with new magic<br/> Project: fs/lustre-release<br/> Branch: master<br/> Current Patch Set: <br/> Commit: 38b7c408212f60d684c9b114d90b4514e0044ffe</p> <p>Landed for 2.16</p> <p>"Etienne AUJAMES &lt;eaujames@ddn.com&gt;" uploaded a new patch: <a href="https://review.whamcloud.com/c/fs/lustre-release/+/51525" class="external-link" target="_blank" rel="nofollow noopener">https://review.whamcloud.com/c/fs/lustre-release/+/51525</a><br/> Subject: <a href="https://jira.whamcloud.com/browse/LU-16873" title="LU-16655 fix doesn&#39;t update OI_Scrub with new magic" class="issue-link" data-issue-key="LU-16873"><del>LU-16873</del></a> osd: update OI_Scrub file with new magic<br/> Project: fs/lustre-release<br/> Branch: b2_15<br/> Current Patch Set: 1<br/> Commit: b31c29a3611c02d4a8e9f9c5023f4a7497cff7dc</p> <p>"Oleg Drokin &lt;green@whamcloud.com&gt;" merged in patch <a href="https://review.whamcloud.com/c/fs/lustre-release/+/51525/" class="external-link" target="_blank" rel="nofollow noopener">https://review.whamcloud.com/c/fs/lustre-release/+/51525/</a><br/> Subject: <a href="https://jira.whamcloud.com/browse/LU-16873" title="LU-16655 fix doesn&#39;t update OI_Scrub with new magic" class="issue-link" data-issue-key="LU-16873"><del>LU-16873</del></a> osd: update OI_Scrub file with new magic<br/> Project: fs/lustre-release<br/> Branch: b2_15<br/> Current Patch Set: <br/> Commit: 703d8a994bf33ac07f8bd4c956880db3d9abb016</p> Related LU-16655 Development Rank 1|i03n6n: Rank (Obsolete) 9223372036854775807 Severity