This is not speculation: I have personally experienced this with an inherited 2R cluster. > On Mar 3, 2023, at 04:07, Janne Johansson <icepic.dz@xxxxxxxxx> wrote: > > > Do not assume the last PG needs to die in a horrible fire, killing > several DC operators with it, it only takes a REALLY small outage, a > fluke restart, a short network glitch for it to be away, while still > having the last acknowledged write to it, making any 1-2-3-4-5 other > PG replicas of it useless, since the cluster will know that this one > missing OSD has the latest writes, and no other PG can replace it, it > can't be "repaired" from others. _______________________________________________ ceph-users mailing list -- ceph-users@xxxxxxx To unsubscribe send an email to ceph-users-leave@xxxxxxx