Re: [Xen-users] Couple of questions

["Henning Sprang" <henning_sprang@xxxxxx>]

On 7/3/06, Alan Murrell <lists@xxxxxxxxxx> wrote:
> Hey All,
>
> I am contemplating an upgrade of my Xen-unstable host (using 2.0.x
> series code) to Xen-3.0.x, and had a couple of questions.
>
>    1.) Live Migration: Does it matter what sort of "backend" the DomU's
> are using (i.e., physical drive, LVM, file-based)?  I thought maybe it
> worked similar to VMware int hat it copied the file containing the
> system over, but of that is the case then that would not work for
> LVM-based systems, would it?
All Filesystems, including / mounted by the domU must be
network-filesystems - they must be available on the target in the same
way as on the destination. Xen only copies RAM data over to the target
and doesn't care for the mounted filesystems.

I am not sure if you can use a networked filesystem that takes care
itself transparently for
data consitency and is available on the target as device file as well.
I guess maybe drbd does such things.

>    2.) MythTV: I saw one setup where someone was able to get a MythTV
> backend running on the 2.0.x series of the unstable code; is anyone
> running a MythTV backend on the 3.0.x series code (either stable or
> unstable)?
I think there are some message in the list archives.

Henning

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