KVM guest Buffer I/O errors
Serge Hallyn
serge.hallyn at canonical.com
Wed Jan 30 17:35:16 UTC 2013
Quoting Matej (matej at matnet.net):
> Hi,
>
> I have an issue which is very similar to some others that I found
> unsolved, such as:
> - https://bugs.launchpad.net/ubuntu/+source/linux/+bug/577785
> - http://centos.distrosfaqs.org/centos-virt/guests-pausing-suddenly/
> - http://ubuntuforums.org/archive/index.php/t-1450439.html
>
> I have 8 guests installed on an internal RAID and all of them work
> as they should, except one (that is the largest of them and sadly,
> the most important one). There are no drive problems reported in
> none of the other host's logs. The most importantly, there is
> nothing in the host system logs at all, but although it is so, we
> have replaced both drives by new ones just out of the box. But the
> issue remains so I am pretty sure it's now hardware-related, but
> have no more ideas what to do next. I could just create a new guest
> and transfer the services and data, but since this happened without
> me changing anything (at least intentionally), I want to find out a
> reason why did it actually happen and how to prevent it.
>
> Any help or ideas on this matter are very welcome.
>
> Thanks,
> Matej
Best would be to file a bug against linux plus qemu-kvm so we can
collect more information. Are you using soft or hard raid? Which
release are you on? Is it possible to test with raid out of the
picture?
More information about the ubuntu-devel
mailing list