On Wed, Mar 23, 2016 at 2:46 PM, wido@xxxxxxxx <wido@xxxxxxxx> wrote: > Hi, > > This week I got a call to recover a Ceph cluster where somebody ran 'ceph osd rm X' for OSDs which were still holding PGs. > > He removed multiple OSDs and together they were all the replicas forma certain PG. > > This raised the question: Should we refuse a rm for a OSD which is still up or acting for a PG? > > If not, what would the use-case be for removing a OSD from the OSDMap when it is still up or acting? Broken data stores is the obvious one... :/ But yeah, sure, we can make it say "no" by default. -Greg > > I would say that recovery/backfill has to be finished before we allow an OSD to be removed. > > Wido > -- > To unsubscribe from this list: send the line "unsubscribe ceph-devel" in > the body of a message to majordomo@xxxxxxxxxxxxxxx > More majordomo info at http://vger.kernel.org/majordomo-info.html -- To unsubscribe from this list: send the line "unsubscribe ceph-devel" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
