On Fri, 19 Jul 2019, Stig Telfer wrote:
> > On 19 Jul 2019, at 10:01, Konstantin Shalygin <k0ste@xxxxxxxx> wrote:
> >> Using Ceph-Ansible stable-4.0 I did a rolling update from latest Mimic to Nautilus 14.2.2 on a cluster yesterday, and the update ran to completion successfully.
> >>
> >> However, in ceph status I see a warning of the form "Legacy BlueStore stats reporting detected” for all OSDs in the cluster.
> >>
> >> Can anyone help me with what has gone wrong, and what should be done to fix it?
> > I thin you should start to run repair for your OSD's - [1]
> > [1] http://lists.ceph.com/pipermail/ceph-users-ceph.com/2019-July/035889.html <http://lists.ceph.com/pipermail/ceph-users-ceph.com/2019-July/035889.html>
> > k
> >
> Thanks Konstantin - running the BlueStore repair as indicated appears to
> be working.
>
> One difference from Sage’s description of the scenario is that I did not
> explicitly create new OSDs during or after the Nautilus upgrade. Perhaps
> the Ceph-Ansible rolling update script did something to trigger this.
The warning is just telling you there are legacy bluestore instances that
were created before nautilus. It is perhaps a bit harsh--you can also
just silence the warning if you don't care about getting the newer
and more accurate per-pool stats.
sage
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