Seeing this go by again it's simple enough to provide a quick answer/hint — by setting the tunables it's of course getting a better distribution of data, but the reason they're optional to begin with is that older clients won't support them. In this case, the kernel client being run; so it returns an error. -Greg Software Engineer #42 @ http://inktank.com | http://ceph.com On Thu, Apr 18, 2013 at 12:51 PM, John Wilkins <john.wilkins@xxxxxxxxxxx> wrote: > Bryan, > > It seems you got crickets with this question. Did you get any further? I'd > like to add it to my upcoming CRUSH troubleshooting section. > > > On Wed, Apr 3, 2013 at 9:27 AM, Bryan Stillwell <bstillwell@xxxxxxxxxxxxxxx> > wrote: >> >> I have two test clusters running Bobtail (0.56.4) and Ubuntu Precise >> (12.04.2). The problem I'm having is that I'm not able to get either >> of them into a state where I can both mount the filesystem and have >> all the PGs in the active+clean state. >> >> It seems that on both clusters I can get them into a 100% active+clean >> state by setting "ceph osd crush tunables bobtail", but when I try to >> mount the filesystem I get: >> >> mount error 5 = Input/output error >> >> >> However, if I set "ceph osd crush tunables legacy" I can mount both >> filesystems, but then some of the PGs are stuck in the >> "active+remapped" state: >> >> # ceph -s >> health HEALTH_WARN 29 pgs stuck unclean; recovery 5/1604152 degraded >> (0.000%) >> monmap e1: 1 mons at {a=172.16.0.50:6789/0}, election epoch 1, quorum 0 >> a >> osdmap e10272: 20 osds: 20 up, 20 in >> pgmap v1114740: 1920 pgs: 1890 active+clean, 29 active+remapped, 1 >> active+clean+scrubbing; 3086 GB data, 6201 GB used, 3098 GB / 9300 GB >> avail; 232B/s wr, 0op/s; 5/1604152 degraded (0.000%) >> mdsmap e420: 1/1/1 up {0=a=up:active} >> >> >> Is any one else seeing this? >> >> Thanks, >> Bryan >> _______________________________________________ >> ceph-users mailing list >> ceph-users@xxxxxxxxxxxxxx >> http://lists.ceph.com/listinfo.cgi/ceph-users-ceph.com > > > > > -- > John Wilkins > Senior Technical Writer > Intank > john.wilkins@xxxxxxxxxxx > (415) 425-9599 > http://inktank.com > > _______________________________________________ > ceph-users mailing list > ceph-users@xxxxxxxxxxxxxx > http://lists.ceph.com/listinfo.cgi/ceph-users-ceph.com > _______________________________________________ ceph-users mailing list ceph-users@xxxxxxxxxxxxxx http://lists.ceph.com/listinfo.cgi/ceph-users-ceph.com