This is a very interesting bug! Without personally knowing the history of a cluster, is there a way to check and see when and which release it began life as? Or check whether such legacy data structures still exist in the mons? On Fri, Aug 6, 2021 at 1:45 PM Patrick Donnelly <pdonnell@xxxxxxxxxx> wrote: > If your cluster has not used CephFS since before the Jewel release, > some legacy data structures may still be in the Ceph Monitor stores. > In Pacific and Quincy, the monitors no longer understand how to decode > these structures. To avoid this issue [1], please make a short upgrade > stop at the just-released Octopus v15.2.14 before continuing on to > Pacific/Quincy. After a day's time, the Monitors will have cleared out > the old structures. > > [1] https://tracker.ceph.com/issues/51673 > > -- > Patrick Donnelly, Ph.D. > He / Him / His > Principal Software Engineer > Red Hat Sunnyvale, CA > GPG: 19F28A586F808C2402351B93C3301A3E258DD79D > > _______________________________________________ > ceph-users mailing list -- ceph-users@xxxxxxx > To unsubscribe send an email to ceph-users-leave@xxxxxxx > _______________________________________________ ceph-users mailing list -- ceph-users@xxxxxxx To unsubscribe send an email to ceph-users-leave@xxxxxxx