Re: [Xen-users] Filesystem Corruption

[Roman ZARAGOCI <roman.zaragoci@xxxxxxxxxxxxx>]

Nobody can help me about this fatal problems ? Our servers are all in a 
production network.
I can give more information about whatever you want.

Roman ZARAGOCI a écrit :
> Hi,
>
> Our virtual machines have some filesystem corruption problems.
> The filesystem is being mounted on read-only mode. When running fsck
> command, everything goes ok.
>
> Our configuration
> Dom0 :
> RHEL4 Update 3
> Xen : 3.0.2.2, compiled from sources.
> Linux Xen kernel : 2.6.16
> File-System : ext3 w/ LVM
>
> DomU :
> Fedora Core 4 ou 6
> Xen : 3.0.2.2, compiled from sources.
> Linux Xen Kernel : 2.6.16
> File-System : ext3, w/o LVM
>
> I've read some stuff about risks using an ext3 filesystem with loop
> devices, we cannot guarantee the write order on disk between vm's
> filesystem and Dom0's filesystem.
>
>
> Does everybody encounters this problem before ?
>
> Do you think that should be caused by using an ext3 (with journaling 
> on) for
> vm's filesystem (wich are using .img files) ?
>
> Any suggestions about using caches management for DomU and Dom0 ? (do we
> need to delete cache and ext3 logging on DomUs)
>
>
> Thanks in advance for your answers.
>
>
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