On Mon, 28 Nov 2011, Maxim Mikheev wrote:
> root@s1-2core:~# ceph mon injectargs --mon_osd_full_ratio 96
> 2011-11-28 12:29:39.067860 mon <- [mon,injectargs]
> 2011-11-28 12:29:39.068438 mon.0 -> 'unknown command injectargs' (-22)
> root@s1-2core:~# ceph mon injectargs "mon osd full ratio = 96"
> 2011-11-28 12:29:53.431669 mon <- [mon,injectargs,mon osd full ratio = 96]
> 2011-11-28 12:29:53.432076 mon.0 -> 'unknown command injectargs' (-22)
Try
ceph mon tell \* injectargs '--mon-osd-full-ratio 96'
and then do the rados bench thing.
sage
>
> Max
>
>
>
> On 11/28/2011 12:23 PM, Gregory Farnum wrote:
> > On Mon, Nov 28, 2011 at 8:54 AM, Maxim Mikheev<mikhmv@xxxxxxxxxxxxxxx>
> > wrote:
> > > I understand you Greg. I hope you have a good Thanksgiving.
> > >
> > > I did:
> > > root@s2-8core:~# ceph osd reweight-by-utilization
> > > 2011-11-28 11:38:40.201428 mon<- [osd,reweight-by-utilization]
> > > 2011-11-28 11:38:40.209388 mon.0 -> 'SUCCESSFUL reweight-by-utilization:
> > > average_util: 0.386560, overload_util: 0.463872. overloaded osds: 2
> > > [1.000000 -> 0.406347], ' (0)
> > >
> > > How can I initiate transfer data for balancing?
> > >
> > > root@s2-8core:~# ceph -w
> > > 2011-11-28 11:40:19.634094 pg v385135: 594 pgs: 594 active+clean; 254
> > > GB
> > > data, 522 GB used, 673 GB / 1351 GB avail
> > > 2011-11-28 11:40:19.635551 mds e182: 1/1/1 up {0=a=up:active}
> > > 2011-11-28 11:40:19.635592 osd e465: 3 osds: 3 up, 3 in full
> > > 2011-11-28 11:40:19.635665 log 2011-11-28 09:22:55.618408 osd.2
> > > 192.168.2.12:6800/1097 476 : [INF] 1.1f scrub ok
> > > 2011-11-28 11:40:19.635759 mon e1: 1 mons at {a=192.168.2.11:6789/0}
> > >
> > > Monitor didn't show any transfer activity after changing weights.
> > Hmmm. It looks like we need to rework the OSDs so they subscribe to
> > map updates when full. Try running "rados -p data bench 10 write". It
> > will fail, but let it go for a few seconds and it should cause all the
> > OSDs to update their maps and begin shuffling data.
> >
> > > And another question:
> > > How can I change mon_osd_full_ratio?
> > > I tried this:
> > > root@s2-8core:~# ceph mon injectargs 'mon_osd_full_ratio = 96'
> > > 2011-11-28 11:53:11.070059 mon<- [mon,injectargs,mon_osd_full_ratio = 96]
> > > 2011-11-28 11:53:11.070383 mon.0 -> 'unknown command injectargs' (-22)
> > either:
> > ceph mon injectargs --mon_osd_full_ratio 96
> > or
> > ceph mon injectargs "mon osd full ratio = 96"
> > should work.
> > :)
> > -Greg
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