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xen-users
Re: [Xen-users] Xen and it's future with linux?
On Sat, Mar 13, 2010 at 12:00:53PM -0000, Matthew Law wrote:
>
> On Sat, March 13, 2010 11:34 am, Pasi Kärkkäinen wrote:
> > On Fri, Mar 12, 2010 at 07:53:35PM -0800, christopher andrews wrote:
> >> Hello Everyone
> >> I was wondering if any has any information on what going with xen. I
> >> have
> >> notice that many linux distro have start removing linux dom0 and
> >> domU's
> >> support like ubunutu. I'm kinda worried on what the future is going
> >> to
> >> hold for xen. Also is there any way to get ubuntu 9.10 supported has
> >> a
> >> domU without using HVM because performance reasons?
> >
> > Xen pv_ops domU support has been in mainline (kernel.org) Linux kernel
> > since 2.6.24,
> > so Xen PV domU support is automatically in every new kernel release.
> >
> > Afaik Ubuntu does support running as Xen PV domU (they enable Xen pvops
> > domU support)
> > in their normal kernels nowadays, just like Fedora does.
> >
> > Xen pv_ops dom0 support is being developed and finalized atm, and it'll be
> > upstreamed soon.
> >
> > More information about various Xen Dom0 capable kernels:
> > http://wiki.xensource.com/xenwiki/XenDom0Kernels
> >
> > And information about Xen pvops dom0 development:
> > http://wiki.xensource.com/xenwiki/XenParavirtOps
> >
> > pv_ops dom0 is available today, and it'll be the standard/default dom0
> > kernel
> > in the upcoming Xen 4.0.0 release (4.0.0-rc6 is the latest release
> > candidate).
> >
> > Hopefully that helps.
> >
> > -- Pasi
>
> The only mild annoyance with Ubuntu is their use of Grub 2. However, if
> you install as HVM first and then install grub v1, it works just fine.
> There are plenty of examples on the web of how to do that.
>
Xen 3.4.3 and 4.0.0 have pygrub support for grub2 PV guests.
Also there is a workaround for the GRUB2 Xen dom0 problem, see here:
http://wiki.xensource.com/xenwiki/XenCommonProblems
> If you don't want to do that or can't for hardware reasons then take a
> look at one of the domU image download sites such as
> http://www.stacklet.com/
>
> Don't despair. Stay with Xen -it is still the best hypervisor and all
> round virtualisation solution out there!
>
And next versions will be even better :)
-- Pasi
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