Re: [Xen-users] Other virtualization technologies alongside xen?

[Mark Williamson <mark.williamson@xxxxxxxxxxxx>]

> kqemu works with xen and that's about it.

Hmmm.  Are you talking about running kqemu in an HVM domU?  I'd expect that to 
maybe work but it "shouldn't" work in dom0 in that the kernel module ought 
not to be able to do its job.

Vanilla qemu should work fine since it's just a userspace app.

> On my server VMware will load 
> it's module and the interface will open but it won't start any VMs.
> Virtualbox will drop your server like a rock as soon as you load the device
> driver. I've heard of people running hypervisors inside of VMware though.
> KVM and Xen are incompatible of course but that's expected since they're
> doing the same thing.

You might be able to run Xen (with PV guests only) in a KVM virtual machine.  
I've managed to run PV Xen in an HVM Xen domain before.

> OpenVZ/Virtuozzo should work because they're not really Virtual Machines.

Yep, provided you find a compatible kernel patch if using them with a PV 
kernel.  OpenVZ were offering dual-purpose Xen / OpenVZ kernels for RHEL last 
I heard.

Cheers,
Mark

> I'm going to be running VirtualBox and qemu together because I'm using vbox
> for a project but I need a mips machine and qemu will do that and the two
> play nice or at least it seems like they do. The real mips machine is
> 266mhz so even though qemu is slow I think it will be fine on a Xeon...
>
> Grant



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