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Re: [Xen-users] Xen and it's future with linux?

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.

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

Don't despair. Stay with Xen -it is still the best hypervisor and all
round virtualisation solution out there!



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