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-1350 Lustre <p>On one MDT log, we have a lot of messages (~2000) send to syslog like :</p> <p>1335060942 2012 Apr 22 04:15:42 mdt kern warning kernel Lustre: 18525:0:(mdt_handler.c:888:mdt_getattr_name_lock()) header@ffff880f99689780[0x0, 1, <span class="error">&#91;0x208306b93:0x51c6:0x0&#93;</span> hash]</p> { 1335060942 2012 Apr 22 04:15:42 mdt kern warning kernel Lustre: 18525:0:(mdt_handler.c:888:mdt_getattr_name_lock()) ....mdt@ffff880f996897d8mdt-object@ffff880f99689780(ioepoch=0 flags=0x0, epochcount=0, writecount=0) 1335060942 2012 Apr 22 04:15:42 mdt kern warning kernel Lustre: 18525:0:(mdt_handler.c:888:mdt_getattr_name_lock()) ....cmm@ffff880f0e93bc40[local] 1335060942 2012 Apr 22 04:15:42 mdt kern warning kernel Lustre: 18525:0:(mdt_handler.c:888:mdt_getattr_name_lock()) ....mdd@ffff880fdfb29300mdd-object@ffff880fdfb29300(open_count=0, valid=0, cltime=0, flags=0) 1335060942 2012 Apr 22 04:15:42 mdt kern warning kernel Lustre: 18525:0:(mdt_handler.c:888:mdt_getattr_name_lock()) ....osd-ldiskfs@ffff881020b328c0osd-ldiskfs-object@ffff881020b328c0(i:(null):0/0)[plain] 1335060942 2012 Apr 22 04:15:42 mdt kern warning kernel Lustre: 18525:0:(mdt_handler.c:888:mdt_getattr_name_lock()) } <p> header@ffff880f99689780<br/> 1335060942 2012 Apr 22 04:15:42 mdt kern warning kernel Lustre: 18525:0:(mdt_handler.c:888:mdt_getattr_name_lock()) Parent doesn't exist!<br/> 1335060942 2012 Apr 22 04:15:42 mdt kern warning kernel Lustre: 18464:0:(mdt_handler.c:888:mdt_getattr_name_lock()) header@ffff881e78f90380[0x0, 1, <span class="error">&#91;0x208306b93:0x9a34:0x0&#93;</span> hash]{<br/> 1335060942 2012 Apr 22 04:15:42 mdt kern warning kernel Lustre: 18464:0:(mdt_handler.c:888:mdt_getattr_name_lock()) ....mdt@ffff881e78f903d8mdt-object@ffff881e78f90380(ioepoch=0 flags=0x0, epochcount=0, writecount=0)<br/> 1335060942 2012 Apr 22 04:15:42 mdt kern warning kernel Lustre: 18525:0:(mdt_handler.c:888:mdt_getattr_name_lock()) header@ffff880f99689780[0x0, 1, <span class="error">&#91;0x208306b93:0x51c6:0x0&#93;</span> hash]</p> { 1335060942 2012 Apr 22 04:15:42 mdt kern warning kernel Lustre: 18525:0:(mdt_handler.c:888:mdt_getattr_name_lock()) ....mdt@ffff880f996897d8mdt-object@ffff880f99689780(ioepoch=0 flags=0x0, epochcount=0, writecount=0) 1335060942 2012 Apr 22 04:15:42 mdt kern warning kernel Lustre: 18525:0:(mdt_handler.c:888:mdt_getattr_name_lock()) ....cmm@ffff880f0e93bc40[local] 1335060942 2012 Apr 22 04:15:42 mdt kern warning kernel Lustre: 18525:0:(mdt_handler.c:888:mdt_getattr_name_lock()) ....mdd@ffff880fdfb29300mdd-object@ffff880fdfb29300(open_count=0, valid=0, cltime=0, flags=0) 1335060942 2012 Apr 22 04:15:42 mdt kern warning kernel Lustre: 18525:0:(mdt_handler.c:888:mdt_getattr_name_lock()) ....osd-ldiskfs@ffff881020b328c0osd-ldiskfs-object@ffff881020b328c0(i:(null):0/0)[plain] 1335060942 2012 Apr 22 04:15:42 mdt kern warning kernel Lustre: 18525:0:(mdt_handler.c:888:mdt_getattr_name_lock()) } <p> header@ffff880f99689780<br/> 1335060942 2012 Apr 22 04:15:42 mdt kern warning kernel Lustre: 18525:0:(mdt_handler.c:888:mdt_getattr_name_lock()) Parent doesn't exist!<br/> 1335060942 2012 Apr 22 04:15:42 mdt kern warning kernel Lustre: 17146:0:(mdt_handler.c:888:mdt_getattr_name_lock()) header@ffff880f99689780[0x0, 2, <span class="error">&#91;0x208306b93:0x51c6:0x0&#93;</span> hash]</p> { 1335060942 2012 Apr 22 04:15:42 mdt kern warning kernel Lustre: 17146:0:(mdt_handler.c:888:mdt_getattr_name_lock()) ....mdt@ffff880f996897d8mdt-object@ffff880f99689780(ioepoch=0 flags=0x0, epochcount=0, writecount=0) 1335060942 2012 Apr 22 04:15:42 mdt kern warning kernel Lustre: 17146:0:(mdt_handler.c:888:mdt_getattr_name_lock()) ....cmm@ffff880f0e93bc40[local] 1335060942 2012 Apr 22 04:15:42 mdt kern warning kernel Lustre: 17146:0:(mdt_handler.c:888:mdt_getattr_name_lock()) ....mdd@ffff880fdfb29300mdd-object@ffff880fdfb29300(open_count=0, valid=0, cltime=0, flags=0) 1335060942 2012 Apr 22 04:15:42 mdt kern warning kernel Lustre: 17146:0:(mdt_handler.c:888:mdt_getattr_name_lock()) ....osd-ldiskfs@ffff881020b328c0osd-ldiskfs-object@ffff881020b328c0(i:(null):0/0)[plain] 1335060942 2012 Apr 22 04:15:42 mdt kern warning kernel Lustre: 17146:0:(mdt_handler.c:888:mdt_getattr_name_lock()) } <p> header@ffff880f99689780<br/> 1335060942 2012 Apr 22 04:15:42 mdt kern warning kernel Lustre: 17146:0:(mdt_handler.c:888:mdt_getattr_name_lock()) Parent doesn't exist!</p> <p>It doesn't seems to create more issues than filling the log.<br/> Isn't it a brother of <a href="https://jira.whamcloud.com/browse/LU-1098" title="Object doesn&#39;t exist!" class="issue-link" data-issue-key="LU-1098"><del>LU-1098</del></a> ?</p> LU-1350

Parent doesn't exist!

Bug Major Resolved Fixed Zhenyu Xu Alexandre Louvet Fri, 27 Apr 2012 07:47:13 +0000 Sat, 19 May 2012 12:08:35 +0000 Sat, 19 May 2012 12:08:35 +0000 Lustre 2.1.1 Lustre 2.3.0 Lustre 2.1.2 0 3 <p>Bobijam</p> <p>Could you please look into this one and see whether it is related to LU1098?</p> <p>Thanks</p> <p>Peter</p> <p>yes, I think it's like <a href="https://jira.whamcloud.com/browse/LU-1098" title="Object doesn&#39;t exist!" class="issue-link" data-issue-key="LU-1098"><del>LU-1098</del></a>, it's a valid delete and getattr race against parent object, we can also lower the debug level.</p> <p>b2_1 patch tracking at <a href="http://review.whamcloud.com/2608" class="external-link" target="_blank" rel="nofollow noopener">http://review.whamcloud.com/2608</a></p> <p>master patch tracking at <a href="http://review.whamcloud.com/2648" class="external-link" target="_blank" rel="nofollow noopener">http://review.whamcloud.com/2648</a></p> <p>Landed for 2.1.2 and 2.3</p> Duplicate LU-1098 Development Rank 1|hzv6ov: Rank (Obsolete) 4618 Severity