serious virtualization without HW support?

Bill Davidsen davidsen at tmr.com
Mon Apr 6 20:29:24 UTC 2009


Robert P. J. Day wrote:
>   i'm reading the section on CPU virtualization extensions here:
> 
> http://fedoraproject.org/wiki/Virtualization_Quick_Start
> 
> and it occurs to me to ask whether anyone would want to get
> *seriously* into virtualization without having machines with those
> extensions.
> 
>   is it safe to say that, by now, most modern systems come with VT or
> AMD-V support?  and by "serious" virtualization, i don't mean someone
> downloading and goofing around with it, i mean people who want to set
> up virtual corporate servers or mission-critical stuff.
> 
>   thoughts?
> 
For running Linux machines, there's nothing wrong with using xen, and it 
probably runs faster than hardware virtualization. For non-Linux I would pass on 
emulation.

There's nothing wrong with it, I know a few web hosting operations which still 
use xen. If Fedora supported xen I would probably use it on some available 
hardware, I just don't feel like going back to the days of building and updating 
my own kernels all the time.

-- 
Bill Davidsen <davidsen at tmr.com>
   "We have more to fear from the bungling of the incompetent than from
the machinations of the wicked."  - from Slashdot




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