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-14526 Lustre <p>After mirror split, a file may have a "STRICT" size on MDT xattr which actually stale:</p> <div class="preformatted panel" style="border-width: 1px;"><div class="preformattedContent panelContent"> <pre># rm -f f0 # dd if=/dev/zero of=f0 bs=1M count=100 100+0 records in 100+0 records out 104857600 bytes (105 MB) copied, 0.802629 s, 131 MB/s # sync # du --block-size=512 f0 204800 f0 # # lfs mirror extend -N -c1 f0 # sync # du --block-size=512 f0 395264 f0 # # lfs mirror split --delete --mirror-id=1 f0 # sync # du --block-size=512 f0 395264 f0 # # # lfs getsom f0 file: f0 size: 104857600 blocks: 395264 flags: 1 # getfattr -n trusted.som --only-values f0 | hexdump -C 00000000 01 00 00 00 00 00 00 00 00 00 40 06 00 00 00 00 |..........@.....| 00000010 00 08 06 00 00 00 00 00 |........| 00000018 # # echo $((0x060800)) 395264 </pre> </div></div> LU-14526

SoM xattr not updated after mirror split

Bug Minor Resolved Fixed Zhenyu Xu John Hammond bjhpflr Tue, 16 Mar 2021 16:53:45 +0000 Thu, 9 Mar 2023 17:59:07 +0000 Wed, 19 May 2021 18:38:33 +0000 Lustre 2.15.0 0 3 <p><a href="https://jira.whamcloud.com/secure/ViewProfile.jspa?name=bobijam" class="user-hover" rel="bobijam">bobijam</a> could you look at this? Would it be possible for the lfs/llapi mirror operations to include the needed operations to get the SoM updated correctly?</p> <p>Bobi Jam (bobijam@hotmail.com) uploaded a new patch: <a href="https://review.whamcloud.com/43168" class="external-link" target="_blank" rel="nofollow noopener">https://review.whamcloud.com/43168</a><br/> Subject: <a href="https://jira.whamcloud.com/browse/LU-14526" title="SoM xattr not updated after mirror split" class="issue-link" data-issue-key="LU-14526"><del>LU-14526</del></a> flr: mirror split downgrad SOM<br/> Project: fs/lustre-release<br/> Branch: master<br/> Current Patch Set: 1<br/> Commit: c68f6292a40090cdbdb1b101f159d6db01bea83e</p> <p>Oleg Drokin (green@whamcloud.com) merged in patch <a href="https://review.whamcloud.com/43168/" class="external-link" target="_blank" rel="nofollow noopener">https://review.whamcloud.com/43168/</a><br/> Subject: <a href="https://jira.whamcloud.com/browse/LU-14526" title="SoM xattr not updated after mirror split" class="issue-link" data-issue-key="LU-14526"><del>LU-14526</del></a> flr: mirror split downgrade SOM<br/> Project: fs/lustre-release<br/> Branch: master<br/> Current Patch Set: <br/> Commit: a30750ad2cc5f10d9d1cc0e30199073091c06f2b</p> <p>Landed for 2.15</p> Gantt End to End LU-14549 Related LU-14508 LU-14765 Development Rank 1|i01pkv: Rank (Obsolete) 9223372036854775807 Severity