Re: [Xen-users] PV vs HVM for PCI-Passthrough

[Ian Campbell <Ian.Campbell@xxxxxxxxxx>]

On Sun, 2014-12-14 at 17:26 -0500, symack wrote:
> Hello Everyone,
> 
> 
> We would like to setup our xen virtual machines on an older server and
> migrate
> them over to our production server which supports vt-d. Is it
> recommended to setup PV or HVM guests.

It mostly depends on what your requirements for the guest are.

If your older staging server doesn't do vt-d then doing passthrough to
an HVM guest isn't possible I think. PV guests don't need VT-d to do
pasthrough, but it's not as safe.

> Also, is there any recent up to date documentation
> on installing xen from source (latest stable) on a gentoo machine.

Check the Xen wiki, there are guides to installing from source there.
http://wiki.xen.org/wiki/Category:Gentoo points to a page on
http://en.gentoo-wiki.com/wiki/Xen but it seems to not be responding,
maybe it should instead be http://wiki.gentoo.org/wiki/Xen which looks
quite good (I'm not a gentoo user, so I can't tell if it is accurate,
but it looks reasonable)

Ian.



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