On Tue, 7 Jun 2016, M Ranga Swami Reddy wrote: > OK, understood... > To fix the nearfull warn, I am reducing the weight of a specific OSD, > which filled >85%.. > Is this work-around advisable? Sure. This is what reweight-by-utilization does for you, but automatically. sage > > Thanks > Swami > > On Tue, Jun 7, 2016 at 6:37 PM, Sage Weil <sage@xxxxxxxxxxxx> wrote: > > On Tue, 7 Jun 2016, M Ranga Swami Reddy wrote: > >> Hi Sage, > >> >Jewel and the latest hammer point release have an improved > >> >reweight-by-utilization (ceph osd test-reweight-by-utilization ... to dry > >> > run) to correct this. > >> > >> Thank you....But not planning to upgrade the cluster soon. > >> So, in this case - are there any tunable options will help? like > >> "crush tunable optimal" or so? > >> OR any other configuration options change will help? > > > > Firefly also has reweight-by-utilization... it's just a bit less friendly > > than the newer versions. CRUSH tunables don't generally help here unless > > you have lots of OSDs that are down+out. > > > > Note that firefly is no longer supported. > > > > sage > > > > > >> > >> > >> Thanks > >> Swami > >> > >> > >> On Tue, Jun 7, 2016 at 6:00 PM, Sage Weil <sage@xxxxxxxxxxxx> wrote: > >> > On Tue, 7 Jun 2016, M Ranga Swami Reddy wrote: > >> >> Hello, > >> >> I have aorund 100 OSDs in my ceph cluster. In this a few OSDs filled > >> >> with >85% of data and few OSDs filled with ~60%-70% of data. > >> >> > >> >> Any reason why the unevenly OSDs filling happned? do I need to any > >> >> tweaks on configuration to fix the above? Please advise. > >> >> > >> >> PS: Ceph version is - 0.80.7 > >> > > >> > Jewel and the latest hammer point release have an improved > >> > reweight-by-utilization (ceph osd test-reweight-by-utilization ... to dry > >> > run) to correct this. > >> > > >> > sage > >> > > >> -- > >> 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
