Re: [ceph-users] Issue with "renamed" mon, crashing

2017-11-08 Thread Kamila Součková
Hi, I am not sure if this is the same issue as we had recently, but it looks a bit like it -- we also had a Luminous mon crashing right after syncing was done. Turns out that the current release has a bug which causes the mon to crash if it cannot find a mgr daemon. This should be fixed in the up

[ceph-users] RAM requirements for OSDs in Luminous

2017-11-03 Thread Kamila Součková
Hello, we are in the process of selecting hardware for a cluster. We are wondering about RAM requirements. We found http://docs.ceph.com/docs/jewel/start/hardware-recommendations/#ram, but we are wondering: 1. Is up to date? Are these numbers valid for Luminous? 2. How valid is it for large disks