Hi,
did this ever come to some conclusion? I've recently started seeing
those messages on one luminous cluster and am not sure whethere
those are dangerous or not..
BR
nik
On Fri, Oct 06, 2017 at 05:37:00PM +0200, Olivier Bonvalet wrote:
> Le jeudi 05 octobre 2017 à 21:52 +0200, Ilya Dryomov a écrit :
> > On Thu, Oct 5, 2017 at 6:05 PM, Olivier Bonvalet <ceph.list@xxxxxxxxx
> > > wrote:
> > > Le jeudi 05 octobre 2017 à 17:03 +0200, Ilya Dryomov a écrit :
> > > > When did you start seeing these errors? Can you correlate that
> > > > to
> > > > a ceph or kernel upgrade? If not, and if you don't see other
> > > > issues,
> > > > I'd write it off as faulty hardware.
> > >
> > > Well... I have one hypervisor (Xen 4.6 and kernel Linux 4.1.13),
> > > which
> >
> > Is that 4.1.13 or 4.13.1?
> >
>
> Linux 4.1.13. The old Debian 8, with Xen 4.6 from upstream.
>
>
> > > have the problem for a long time, at least since 1 month (I haven't
> > > older logs).
> > >
> > > But, on others hypervisors (Xen 4.8 with Linux 4.9.x), I haven't
> > > the
> > > problem.
> > > And it's when I upgraded thoses hypervisors to Linux 4.13.x, that
> > > "bad
> > > crc" errors appeared.
> > >
> > > Note : if I upgraded kernels on Xen 4.8 hypervisors, it's because
> > > some
> > > DISCARD commands over RBD were blocking ("fstrim" works, but not
> > > "lvremove" with discard enabled). After upgrading to Linux 4.13.3,
> > > DISCARD works again on Xen 4.8.
> >
> > Which kernel did you upgrade from to 4.13.3 exactly?
> >
> >
>
> 4.9.47 or 4.9.52, I don't have more precise data about this.
>
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