[ceph-users] bad crc/signature errors

Ilya Dryomov idryomov at gmail.com
Thu Oct 5 12:52:03 PDT 2017


On Thu, Oct 5, 2017 at 6:05 PM, Olivier Bonvalet <ceph.list at daevel.fr> 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?

> 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?

Thanks,

                Ilya


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