"ceph pg set_full_ratio 0.95" "ceph pg set_nearfull_ratio 0.94"
On Monday, July 16, 2012 at 11:42 AM, Andrey Korolyov wrote: > On Mon, Jul 16, 2012 at 8:12 PM, Gregory Farnum <g...@inktank.com > (mailto:g...@inktank.com)> wrote: > > On Saturday, July 14, 2012 at 7:20 AM, Andrey Korolyov wrote: > > > On Fri, Jul 13, 2012 at 9:09 PM, Sage Weil <s...@inktank.com > > > (mailto:s...@inktank.com)> wrote: > > > > On Fri, 13 Jul 2012, Gregory Farnum wrote: > > > > > On Fri, Jul 13, 2012 at 1:17 AM, Andrey Korolyov <and...@xdel.ru > > > > > (mailto:and...@xdel.ru)> wrote: > > > > > > Hi, > > > > > > > > > > > > Recently I`ve reduced my test suite from 6 to 4 osds at ~60% usage > > > > > > on > > > > > > six-node, > > > > > > and I have removed a bunch of rbd objects during recovery to avoid > > > > > > overfill. > > > > > > Right now I`m constantly receiving a warn about nearfull state on > > > > > > non-existing osd: > > > > > > > > > > > > health HEALTH_WARN 1 near full osd(s) > > > > > > monmap e3: 3 mons at > > > > > > {0=192.168.10.129:6789/0,1=192.168.10.128:6789/0,2=192.168.10.127:6789/0}, > > > > > > election epoch 240, quorum 0,1,2 0,1,2 > > > > > > osdmap e2098: 4 osds: 4 up, 4 in > > > > > > pgmap v518696: 464 pgs: 464 active+clean; 61070 MB data, 181 GB > > > > > > used, 143 GB / 324 GB avail > > > > > > mdsmap e181: 1/1/1 up {0=a=up:active} > > > > > > > > > > > > HEALTH_WARN 1 near full osd(s) > > > > > > osd.4 is near full at 89% > > > > > > > > > > > > Needless to say, osd.4 remains only in ceph.conf, but not at > > > > > > crushmap. > > > > > > Reducing has been done 'on-line', e.g. without restart entire > > > > > > cluster. > > > > > > > > > > > > > > > > > > > > > > > > > > > > > > Whoops! It looks like Sage has written some patches to fix this, but > > > > > for now you should be good if you just update your ratios to a larger > > > > > number, and then bring them back down again. :) > > > > > > > > > > > > > > > > > > > > > > > > Restarting ceph-mon should also do the trick. > > > > > > > > Thanks for the bug report! > > > > sage > > > > > > > > > > > > > > > > > > Should I restart mons simultaneously? > > I don't think restarting will actually do the trick for you — you actually > > will need to set the ratios again. > > > > > Restarting one by one has no > > > effect, same as filling up data pool up to ~95 percent(btw, when I > > > deleted this 50Gb file on cephfs, mds was stuck permanently and usage > > > remained same until I dropped and recreated data pool - hope it`s one > > > of known posix layer bugs). I also deleted entry from config, and then > > > restarted mons, with no effect. Any suggestions? > > > > > > > > I'm not sure what you're asking about here? > > -Greg > > > > Oh, sorry, I have mislooked and thought that you suggested filling up > osds. How do I can set full/nearfull ratios correctly? > > $ceph injectargs '--mon_osd_full_ratio 96' > parsed options > $ ceph injectargs '--mon_osd_near_full_ratio 94' > parsed options > > ceph pg dump | grep 'full' > full_ratio 0.95 > nearfull_ratio 0.85 > > Setting parameters in the ceph.conf and then restarting mons does not > affect ratios either. -- To unsubscribe from this list: send the line "unsubscribe ceph-devel" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html
