Sorry, I should have been more clear. The bug actually is due to a difference in an on disk encoding from hammer. An infernalis cluster would never had had such encodings and is fine. -Sam On Jun 3, 2016 6:53 AM, "Francois Lafont" <flafdiv...@free.fr> wrote:
> Hi, > > On 03/06/2016 05:39, Samuel Just wrote: > > > Due to http://tracker.ceph.com/issues/16113, it would be best to avoid > > setting the sortbitwise flag on jewel clusters upgraded from previous > > versions until we get a point release out with a fix. > > > > The symptom is that setting the sortbitwise flag on a jewel cluster > > upgraded from a previous version can result in some pgs reporting > > spurious unfound objects. Unsetting sortbitwise should cause the PGs > > to go back to normal. Clusters created at jewel don't need to worry > > about this. > > Now, I have an Infernalis cluster in production. It's an Infernalis cluster > installed from scratch (not from an upgrade). I intend to upgrade the > cluster to Jewel. Indeed, I have noticed that the flag "sortbitwise" was > set by default in my Infernalis cluster. By the way, I don't know exactly > the meaning of this flag but the cluster is HEALTH_OK with this flag set > by default so I have not changed it. > > If I have well understood, to upgrade my Infernalis cluster, I have 2 > options: > > a) I unset the flag "sortbitwise" via "ceph osd unset sortbitwise", then > I upgrade the cluster to Jewel 10.2.1 and in the next release of Jewel > (I guess 10.2.2) I could set again the flag via "ceph osd set sortbitwise". > > b) Or I just wait for the next release of Jewel (10.2.2) without worrying > about the flag "sortbitwise". > > 1. Is it correct? > 2. Can we have data movement when we toggle the flag "sortbitwise"? > > -- > François Lafont > _______________________________________________ > ceph-users mailing list > ceph-users@lists.ceph.com > http://lists.ceph.com/listinfo.cgi/ceph-users-ceph.com >
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