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-4279 Lustre <p>Hi,</p> <p>We found a regression in the access by FID feature in Lustre 2.4. Indeed, stat by fid of .lustre/fid directory gets EINVAL.</p> <p>This can be easily reproduced like this:</p> <div class="preformatted panel" style="border-width: 1px;"><div class="preformattedContent panelContent"> <pre># lfs path2fid .lustre [0x200000002:0x1:0x0] # lfs path2fid .lustre/fid [0x200000002:0x2:0x0] # stat .lustre/fid/[0x200000002:0x2:0x0] stat: cannot stat `&lt;lustre mount point&gt;/.lustre/fid/[0x200000002:0x2:0x0]': Invalid argument # stat .lustre/fid/[0x200000002:0x1:0x0] stat: cannot stat `&lt;lustre mount point&gt;/.lustre/fid/[0x200000002:0x1:0x0]': Invalid argument </pre> </div></div> <p>The same commands just work fine on Lustre 2.1.6.</p> <p>This is a big issue as Ganesha relies on this to work.</p> <p>Thanks,<br/> Sebastien.</p> LU-4279

.lustre and .lustre/fid cannot by accessed by FID

Bug Critical Resolved Fixed Bruno Faccini Sebastien Buisson Wed, 20 Nov 2013 15:54:15 +0000 Sun, 1 Jun 2014 13:55:10 +0000 Wed, 8 Jan 2014 15:08:42 +0000 Lustre 2.4.1 Lustre 2.6.0 Lustre 2.5.2 0 7 <p>Looks like fix for <a href="https://jira.whamcloud.com/browse/LU-3245" title="FS root OBF regression" class="issue-link" data-issue-key="LU-3245"><del>LU-3245</del></a> (Change at <a href="http://review.whamcloud.com/#/c/6209/4" class="external-link" target="_blank" rel="nofollow noopener">http://review.whamcloud.com/#/c/6209/4</a>) is not enough ??</p> <p>Yes indeed, as this fix was landed for 2.4.</p> <p>With latest master, error is still present :</p> <div class="preformatted panel" style="border-width: 1px;"><div class="preformattedContent panelContent"> <pre># lfs path2fid /mnt/lustre/.lustre [0x200000002:0x1:0x0] # stat /mnt/lustre/.lustre/fid/[0x200000002:0x1:0x0] stat: cannot stat `/mnt/lustre/.lustre/fid/[0x200000002:0x1:0x0]': Invalid argument # </pre> </div></div> <p>when in Lustre full-debug log :</p> <div class="preformatted panel" style="border-width: 1px;"><div class="preformattedContent panelContent"> <pre>00000004:00000400:1.0:1384970440.693714:0:4765:0:(mdd_device.c:572:obf_lookup()) lustre-MDD0000: [0x200000002:0x1:0x0] is invalid, sequence should be &gt;= 0x200000400 or within [0xc,0xffffffff]. 00010000:00000010:1.1:1384970440.697923:0:4765:0:(ldlm_lock.c:453:lock_handle_free()) slab-freed 'lock': 504 at ffff880037ffec80. 00010000:00000010:1.1:1384970440.697927:0:4765:0:(ldlm_lock.c:453:lock_handle_free()) slab-freed 'lock': 504 at ffff880037ffea80. 00010000:00000010:1.1:1384970440.697928:0:4765:0:(ldlm_lock.c:453:lock_handle_free()) slab-freed 'lock': 504 at ffff880037ffe480. 00010000:00000010:1.1:1384970440.697930:0:4765:0:(ldlm_lock.c:453:lock_handle_free()) slab-freed 'lock': 504 at ffff8800377b3980. 00010000:00000010:1.1:1384970440.697931:0:4765:0:(ldlm_lock.c:453:lock_handle_free()) slab-freed 'lock': 504 at ffff88003746fdc0. 00010000:00000010:1.1:1384970440.697932:0:4765:0:(ldlm_lock.c:453:lock_handle_free()) slab-freed 'lock': 504 at ffff8800377b3180. 00000004:00000001:1.0:1384970440.697935:0:4765:0:(mdd_device.c:573:obf_lookup()) Process leaving via out (rc=18446744073709551594 : -22 : 0xffffffffffffffea) 00000004:00000001:1.0:1384970440.697937:0:4765:0:(mdt_handler.c:1353:mdt_getattr_name_lock()) Process leaving via out_parent (rc=18446744073709551594 : -22 : 0xffffffffffffffea) </pre> </div></div> <p>Master patch just pushed at <a href="http://review.whamcloud.com/8360" class="external-link" target="_blank" rel="nofollow noopener">http://review.whamcloud.com/8360</a>.</p> <p>Hi Bruno,</p> <p>Thanks for the patch, I have tested it and it fixes the issue.</p> <p>Cheers,<br/> Sebastien.</p> <p>Hello Seb,<br/> Thanks for your feedback.<br/> So, now you tested it and patch has landed, do you agree if I close this ticket ??</p> <p>Hi Bruno,</p> <p>And Happy New Year!</p> <p>Indeed it is ok now, we have backported your patch to 2.4, and this ticket can be closed now.</p> <p>Cheers,<br/> Sebastien.</p> <p>Thanks, and sure Happy New Year too, for you and your family!</p> <p>Hmm... it seems this ticket should be flagged as "Fixed in 2.6" ?</p> <p>Any possibility to have it integrated in 2.5.2 also ?</p> <p>Thanks Aurelien. You are right that the fix version should have been set on this ticket. It is not uncommon for this step to be missed and we reconcile the fix version field against the got records for a given release ahead of announcing GA. This can also be considered for inclusion in 2.5.2</p> <p>backport of <a href="http://review.whamcloud.com/8360" class="external-link" target="_blank" rel="nofollow noopener">http://review.whamcloud.com/8360</a> to b2_5:<br/> <a href="http://review.whamcloud.com/10490" class="external-link" target="_blank" rel="nofollow noopener">http://review.whamcloud.com/10490</a></p> Development Rank 1|hzw9sf: Rank (Obsolete) 11751 Severity