Hello Bryan, On Wed, Oct 6, 2021 at 6:21 PM Bryan Stillwell <bstillwell@xxxxxxxxxxx> wrote: > > One of the main limitations of using CephFS is the requirement to reduce the > number of active MDS daemons to one during upgrades. As far as I can tell this > has been a known problem since Luminous (~2017). This issue essentially > requires downtime during upgrades for any CephFS cluster that needs more than > one active MDS at all times. I saw there were some improvements to the upgrade > process with 16.2.6 (you no longer have to stop the standby MDSes), but it has > me wondering if there are any plans to fix this limitation soon? Probably Quincy, no promises. -- 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