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-10991 Lustre <p>Unable to import pools when upgrading OSS from 2.10.3 to 2.11.51.</p> <p>Steps:</p> <p>All clients and servers set up with 2.10.3 lustre version.</p> <p>2.10.3 ZFS version: zfs-0.7.5-1.el7</p> <p>2.11.51 ZFS version: zfs-0.7.8-1.el7</p> <p>Upgraded OSS to 2.11.51 and tried to import pools but getting the following:</p> <div class="preformatted panel" style="border-width: 1px;"><div class="preformattedContent panelContent"> <pre>[root@onyx-70 ~]# modprobe zfs zpool import lustre-ost2[ 5805.811988] spl: loading out-of-tree module taints kernel. [ 5805.818394] spl: module verification failed: signature and/or required key missing - tainting kernel [ 5805.834983] SPL: Loaded module v0.7.8-1 [ 5805.839599] znvpair: module license 'CDDL' taints kernel. [ 5805.845676] Disabling lock debugging due to kernel taint [ 5807.838597] ZFS: Loaded module v0.7.8-1, ZFS pool version 5000, ZFS filesystem version 5 [root@onyx-70 ~]#  [root@onyx-70 ~]# zpool import lustre-ost1 cannot import 'lustre-ost1': no such pool available [root@onyx-70 ~]# zpool import lustre-ost2 cannot import 'lustre-ost2': no such pool available [root@onyx-70 ~]# zpool list no pools available </pre> </div></div> Older version: 2.10.3<br/> New version: 2.11.51<br/> ZFS<br/> 2 clients, 1 OSS with 2 OSTs, 1 MDS with 1 MDT LU-10991

unable to import pools : Upgrading 2.10.3 to 2.11.51

Bug Critical Resolved Cannot Reproduce Nathaniel Clark Saurabh Tandan Wed, 2 May 2018 18:12:10 +0000 Wed, 19 Dec 2018 21:00:57 +0000 Tue, 23 Oct 2018 17:23:12 +0000 Lustre 2.12.0 0 6 <p>Please also create new test images for conf-sanity test_32. </p> <p><a href="https://jira.whamcloud.com/browse/LU-10998" title="Add 2.10.0 zfs and ldiskfs images for conf-sanity test_32" class="issue-link" data-issue-key="LU-10998"><del>LU-10998</del></a> is tracking creating new images for conf-sanity test 32.</p> <p>Was this resolved with "zfs import -a"?</p> <p>Yes it was while doing rolling upgrade/downgrade. But while doing clean upgrade/downgrade I tried to import it using both pool name and "-a" it didn't worked either way.</p> <p>The cannot import pool failure still exists when clean upgrade from 2.10.5 to 2.11.56. Both builds use zfs-0.7.9-1</p> <p>Just tried upgrade from 2.11.0 to master, not seeing this problem, pool can be imported after upgrade.</p> <blockquote><p>The cannot import pool failure still exists when clean upgrade from 2.10.5 to 2.11.56. Both builds use zfs-0.7.9-1</p></blockquote> <p>Sarah,<br/> are there any error messages on the console when you try to import the pool? This would be a fairly serious error if we can't upgrade from 2.10.x (which is the version almost every ZFS user is using) to 2.12 </p> <p>Nathaniel, can you work with Sarah to understand this issue better? It might be related to some new ZFS feature we are trying to use? In any case, we need to understand it before 2.12 goes out the door or we could have a big compatibility problem on our hands. Hopefully the issue is not already present in the 2.11 release, but at least relatively few people are using that.</p> <p>The zpool import should be independent of the Lustre version. Do you have a log (messages and journal)?<br/> If you still have a system, can you also run:</p> <div class="preformatted panel" style="border-width: 1px;"><div class="preformattedContent panelContent"> <pre>zpool events -v </pre> </div></div> <p>There isn't error mesg, just a message says "no pool available"</p> <p>I will run the command Nathaniel mentioned to get more info.</p> <p>I cannot reproduce the problem with 2 trials (1 with fresh format zfs; 2 with ldiskfs first, then reformat as zfs); I think there must be some misoperation in my previous test.</p> <p>ok - thanks Sarah!</p> Related LU-10998 Development Rank 1|hzzwpj: Rank (Obsolete) 9223372036854775807 Severity