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-12121 Lustre <p>From time to time, I can see BRW to missing obj error on MDTs with DOM:</p> <div class="preformatted panel" style="border-width: 1px;"><div class="preformattedContent panelContent"> <pre>fir-md1-s2: Mar 26 10:45:33 fir-md1-s2 kernel: LustreError: 90902:0:(mdt_io.c:442:mdt_preprw_write()) fir-MDT0003: BRW to missing obj [0x28000f666:0xca48:0x0] fir-md1-s2: Mar 26 10:48:36 fir-md1-s2 kernel: LustreError: 91887:0:(mdt_io.c:442:mdt_preprw_write()) fir-MDT0003: BRW to missing obj [0x28000f7a6:0x1bfa:0x0] fir-md1-s2: Mar 26 10:48:38 fir-md1-s2 kernel: LustreError: 91726:0:(mdt_io.c:442:mdt_preprw_write()) fir-MDT0003: BRW to missing obj [0x28000f666:0xd1a1:0x0] fir-md1-s2: Mar 26 10:49:05 fir-md1-s2 kernel: LustreError: 91846:0:(mdt_io.c:442:mdt_preprw_write()) fir-MDT0003: BRW to missing obj [0x28000f52a:0x98bf:0x0] fir-md1-s2: Mar 26 10:53:48 fir-md1-s2 kernel: LustreError: 91423:0:(mdt_io.c:442:mdt_preprw_write()) fir-MDT0003: BRW to missing obj [0x28000f7bb:0x6d61:0x0] </pre> </div></div> <p>Any idea of what is causing this, is it just a warning? Note: we haven't noticed any real issue, I am just wondering.</p> <p>Thanks!<br/> Stephane</p> CentOS 7.6 LU-12121

DOM: BRW to missing obj?

Bug Minor Resolved Duplicate Mikhail Pershin Stephane Thiell Tue, 26 Mar 2019 17:53:18 +0000 Tue, 7 May 2019 00:06:42 +0000 Wed, 27 Mar 2019 12:16:00 +0000 Lustre 2.12.0 0 4 <p>Mike</p> <p>Can you please comment?</p> <p>Thanks</p> <p>Peter</p> <p>That may happens when DOM files are deleted, the object on MDT is deleted much quicker than on OST so client may do data flush for already deleted object. That is handled also in <a href="https://review.whamcloud.com/34071" class="external-link" target="_blank" rel="nofollow noopener">https://review.whamcloud.com/34071</a></p> <p>Seems that we can close this as a duplicate then and should focus on getting <a href="https://jira.whamcloud.com/browse/LU-11359" title="racer test 1 times out with client hung in dir_create.sh, ls, … and MDS in ldlm_completion_ast()" class="issue-link" data-issue-key="LU-11359"><del>LU-11359</del></a> finalized ASAP</p> <p>Thanks!!</p> <p>These messages don't show up anymore since we're using <a href="https://review.whamcloud.com/#/c/34071/" class="external-link" target="_blank" rel="nofollow noopener">https://review.whamcloud.com/#/c/34071/</a> everywhere.</p> Duplicate LU-11359 Development Rank 1|i00dy7: Rank (Obsolete) 9223372036854775807 Severity