On Tue, 16 May 2017, Fabian Grünbichler wrote: > The Kraken release notes[1] contain the following note about the > sortbitwise flag and upgrading from <= Jewel to > Jewel: > > The sortbitwise flag must be set on the Jewel cluster before upgrading > to Kraken. The latest Jewel (10.2.4+) releases issue a health warning if > the flag is not set, so this is probably already set. If it is not, > Kraken OSDs will refuse to start and will print and error message in > their log. > > I think this refers to the warning introduced by d3dbd8581 [2], which > is triggered if > - a mon config key is set to true (default, not there in master anymore) > - the sortbitwise flag is not set (default for clusters upgrading from > hammer, not default for new jewel clusters) > - the OSDs support sortbitwise (I assume this is the default for Jewel > OSDs? I am not sure how to get this information from a running OSD?) > > I have not been able to trigger this warning for either an upgraded > Hammer cluster (all nodes upgraded from latest Hammer to latest Jewel > and rebooted) which does not have sortbitwise set, nor for a freshly > installed Jewel cluster where I manually unset sortbitwise and rebooted > afterwards. Am I doing something wrong, or is the check somehow broken? > If the latter is the case, the release notes are very misleading (as > users will probably rely on "no health warning -> safe to upgrade"). > > I also see one follow-up fix[3] which was only included in Kraken so > far, but AFAICT this should only possible affect the second test with a > manually unset sortbitwise on Jewel, and not the Hammer -> Jewel -> > Kraken/Luminous upgrade path. Ah, that does appear to be the problem. I'll get that backported to jewel! Thanks for the heads up- sage > > 1: http://docs.ceph.com/docs/master/release-notes/#upgrading-from-jewel > 2: https://github.com/ceph/ceph/commit/d3dbd8581bd39572dc55d4953b5d8c49255426d7 > 3: https://github.com/ceph/ceph/pull/12682 > > _______________________________________________ > ceph-users mailing list > ceph-users@xxxxxxxxxxxxxx > http://lists.ceph.com/listinfo.cgi/ceph-users-ceph.com > >
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