[ceph-users] Re: EC pool degrades when adding device-class to crush rule

Hey Eugen! Quoting Eugen Block (ebl...@nde.ag): > >When a client writes an object to the primary OSD, the primary OSD > >is responsible for writing the replicas to the replica OSDs. After > >the primary OSD writes the object to storage, the PG will remain > >in a degraded state until the primary

[ceph-users] Re: EC pool degrades when adding device-class to crush rule

Hi, I tried to find an older thread that explained this quite well, maybe my google foo left me... Anyway, the docs [1] explain the "degraded" state of a PG: When a client writes an object to the primary OSD, the primary OSD is responsible for writing the replicas to the replica OSDs.