On Mon, 7 Jul 2014, James Harper wrote:
> >
> > Hi Sage,
> >
> > > Thanks for pointing this out. Is this clearer?
> >
> > Yes. Although it would probably be useful to say that using 'ceph osd
> > crush tunables bobtail' will be enough to get rid of the warning and
> > will not break compatibility too much (3.15 isn't that common, there
> > is not even any longterm release above it).
> >
>
> As per an email I sent a few days ago - setting tunables to optimal (or
> whatever the setting is that makes the warning go away) caused a cascade
> of OSD crashes. Maybe those settings are not production ready yet?
This looked like a bug when not all monitors were upgraded yet. It's been
fixed in master and backported to the firefly branch, but 0.80.2 has not
yet been cut--it will be fixed in that version.
Until then, make sure all monitors are upgraded and restarted before
setting optimal tunables.
http://tracker.ceph.com/issues/8738
sage
_______________________________________________
ceph-users mailing list
ceph-users@lists.ceph.com
http://lists.ceph.com/listinfo.cgi/ceph-users-ceph.com
