Re: [Xen-users] Disk erros on one xen domain

[Nicolas Michel <nicolas.michel@xxxxxxxxx>]

Thank you for your help. I just looked at my exact kernel version :
   2.6.26-2-xen-amd64
It is Lenny:
   ~# lsb_release -a
   No LSB modules are available.
   Distributor ID:      Debian
   Description: Debian GNU/Linux 5.0.2 (lenny)
   Release:     5.0.2
   Codename:    lenny

I'll try your test but I don't know when because this server is in prod 
for the moment. Maybe that WE.
Thank you,

On 05/25/2010 12:26 PM, Fajar A. Nugraha wrote:
> On Tue, May 25, 2010 at 4:05 PM, Nicolas Michel
> <nicolas.michel@xxxxxxxxx>  wrote:
> > I know RAID don't guarantee there is no errors.
> >
> > My two others physical machines that hosts each a Xen domain controller are
> > not the same hardware at all but the same OS (Debian Lenny 64 bits). They
> > don't have these errors and never crashed.
> >
> > You think I should try another kernel more up-to-date?
> One thing to confirm first. Is hda the first disk? AFAIK Lenny should
> come kernel 2.6.26, and newer kernels use sda instead of hda.
>
> If it is the first disk, I'd start with picking a live CD/DVD of a
> distro with recent kernel. Ubuntu Lucid would do. Boot it, and do
> something like
>
> dd if=/dev/sda of=/dev/null bs=16M
>
> ... which basically reads all the disk contents. See whether it can
> complete without errors. If yes, then I'd try to compile newer kernel
> for this server. Possibly 2.6.29 or 2.6.31 (since 2.6.32 needs Xen 4.0
> to run correctly). If it shows read errors though, you'd know for sure
> that it's hardware problem.

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