Blair - Thanks for the script...Btw, is this script has option for dry run? Thanks Swami On Wed, Jun 8, 2016 at 6:35 AM, Blair Bethwaite <blair.bethwaite@xxxxxxxxx> wrote: > Swami, > > Try https://github.com/cernceph/ceph-scripts/blob/master/tools/crush-reweight-by-utilization.py, > that'll work with Firefly and allow you to only tune down weight of a > specific number of overfull OSDs. > > Cheers, > > On 7 June 2016 at 23:11, M Ranga Swami Reddy <swamireddy@xxxxxxxxx> 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? >> >> 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 > > > > -- > Cheers, > ~Blairo -- 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
