Re: [Xen-users] GPU passthrough on Xen 4.4.0, FLReset-

[Kuba <kuba.0000@xxxxx>]

W dniu 2014-06-06 12:15, Gordan Bobic pisze:
> On 2014-06-06 10:53, Kuba wrote:
> > Dear Gordan and David
> >
> > Thank you both for lots of valuable info and clues. It seems some of
> > my issues might be hardware/BIOS related, so I'm going to look into it
> > (among other things).
> >
> > Gordan, I can see you use a ZVOL as your VM's storage, have you ever
> > tried to run dom0 with root on ZFS?
> No, I always have dom0 rootfs on a stable in-kernel FS that is
> reasonably unlikely to blow up in my face when I upgrade the
> kernel. IMO, rootfs is sufficiently small and easy to back up
> and restore that there is no obvious advantage to having it
> on ZFS.
>
> There is too much forward/backward incompatibility
> to allow for old modules to work with new kernels, which
> makes kernel upgrades problematic, and to gain full advantage
> of ZFS you need to put /boot on ZFS as well, which means
> custom patched grub, and it all adds up to far too much
> effort for negligible benefit.
>
> I do use ZFS for everything else, though.
I certainly do agree with all that. Having entire dom0 on ZFS is just a 
little wish of mine for one main reason - data corruption detection and 
self-healing. I timidly hope one day some talented folks will make it 
"just work". Thanks again for your answers!
Best regards,
Kuba


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