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-12951 Lustre <p>We used llapi_get_obd_count() to get MDT/OST counts, which call LL_IOC_GETOBDCOUNT<br/> internally.</p> <p>However, we return lmv-&gt;lmv_mdt_descs.ltd_tgts_size as MDT count, this is not right.<br/> @ltd_tgts_size could be larger than actual MDT count, as we preallocate ltd_tgts and resize it if necessary.</p> LU-12951

LL_IOC_GETOBDCOUNT return wrong MDT counts

Bug Minor Resolved Fixed Wang Shilong Wang Shilong Fri, 8 Nov 2019 04:49:03 +0000 Tue, 17 Dec 2019 12:52:01 +0000 Tue, 17 Dec 2019 12:52:01 +0000 Lustre 2.14.0 0 3 <p>Wang Shilong (wshilong@ddn.com) uploaded a new patch: <a href="https://review.whamcloud.com/36713" class="external-link" target="_blank" rel="nofollow noopener">https://review.whamcloud.com/36713</a><br/> Subject: <a href="https://jira.whamcloud.com/browse/LU-12951" title="LL_IOC_GETOBDCOUNT return wrong MDT counts" class="issue-link" data-issue-key="LU-12951"><del>LU-12951</del></a> LMV: fix to return correct MDT count<br/> Project: fs/lustre-release<br/> Branch: master<br/> Current Patch Set: 1<br/> Commit: 4531f44834c8492604bcc8e40a9351eba29eda5c</p> <p>Hello, found this only after sending a patch from <a href="https://jira.whamcloud.com/browse/LU-12975" title="A lot of &quot;quotactl mdtXX failed&quot; messages when use key -v with lfs quota" class="issue-link" data-issue-key="LU-12975"><del>LU-12975</del></a>.</p> <p>Suppose to use <a href="https://review.whamcloud.com/#/c/36768/" class="external-link" target="_blank" rel="nofollow noopener">https://review.whamcloud.com/#/c/36768/</a> as more general solution.<br/> It is a regression after "<a href="https://jira.whamcloud.com/browse/LU-12624" title="DNE3: striped directory allocate stripes by QoS" class="issue-link" data-issue-key="LU-12624"><del>LU-12624</del></a> obdclass: lu_tgt_descs cleanup" and ltd_tgts_size should be changed not only in one place.<br/> Please take a look at my patch.</p> <p>Thanks</p> <p>Sergey</p> <p>Lai pointed to problems at proposed patch <a href="https://review.whamcloud.com/#/c/36768/" class="external-link" target="_blank" rel="nofollow noopener">https://review.whamcloud.com/#/c/36768/</a>.<br/> So, please ignore my previous comment.</p> <p>Oleg Drokin (green@whamcloud.com) merged in patch <a href="https://review.whamcloud.com/36713/" class="external-link" target="_blank" rel="nofollow noopener">https://review.whamcloud.com/36713/</a><br/> Subject: <a href="https://jira.whamcloud.com/browse/LU-12951" title="LL_IOC_GETOBDCOUNT return wrong MDT counts" class="issue-link" data-issue-key="LU-12951"><del>LU-12951</del></a> lmv: fix to return correct MDT count<br/> Project: fs/lustre-release<br/> Branch: master<br/> Current Patch Set: <br/> Commit: 3aa8826aabc7ceb16ed5efc8606a243684274982</p> <p>Landed for 2.14</p> Duplicate LU-12975 Related LU-12378 LU-13079 Development Rank 1|i00p6v: Rank (Obsolete) 9223372036854775807 Severity