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

["Fajar A. Nugraha" <fajar@xxxxxxxxx>]

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.

-- 
Fajar

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