Re: [ceph-users] Degraded: OSD failure vs crushmap change

2017-04-14 Thread David Turner
The PG just counts as degraded in both scenarios, but if you look at the objects in the degraded PGs (visible in ceph status) some of them are degraded objects and others are misplaced objects. Degraded objects have less than your replica size of copies, like what happens when you lose an OSD. Wh

[ceph-users] Degraded: OSD failure vs crushmap change

2017-04-14 Thread Adam Carheden
Is there a difference between the degraded states triggered by an OSD failure vs a crushmap change? When an OSD fails the cluster is obviously degraded in the sense that you have fewer copies of your data than the pool size mandates. But when you change the crush map, say by adding an OSD, ceph a