I mean definitely this! Of course, if your client machines is not serve ceph-mon, ceph-mds, ceph-osd processes - just upgrade ceph packages k > On 22 Dec 2021, at 12:32, huxiaoyu@xxxxxxxxxxxx wrote: > > Can i only upgrade clients from Nautilus to Pacific, but still keep Nautilus version in the cluster? just in order to avoid this librbd issue _______________________________________________ ceph-users mailing list -- ceph-users@xxxxxxx To unsubscribe send an email to ceph-users-leave@xxxxxxx