Huegel, Thomas wrote:
-----Original Message-----
From: Linux on 390 Port [mailto:[email protected]]on Behalf Of
Erik N Johnson
Sent: Monday, March 23, 2009 3:10 PM
To: [email protected]
Subject: Re: Windows an linux under z/VM
Could Xen run on z/Linux? I don't see why not. But to be completely
honest, a mainframe is a strange place to run Windows. I mean... you
could go and buy an 8086 and run Andy Tananbaum's Minix 3, and that
would make a LOT more sense to me, at least you can learn something
about operating systems that way. Perhaps with mainframe I/O
capabilities you'd get Windows to stop thrashing long enough to get
some work done? But no, because the virtualization will chew up
enough resources that you won't see any gains.
Still, look into Xen if you really want to do this. http://www.xen.org
I don't seem to have Erik's yet. Maybe the list server is busy.
I'm sure xen on z is possible, but it too is a lot of work. It depends
very much on the IA32, AMD-64 and IA64 architectures, and z is nothing
like those.
KVM is, I surmise, more likely if only because it's always been in the
kernel and so more accessible to tinkerers.
Then there's lguest:
Linux: lguest Documentation
August 5, 2007 - 11:29pm
Submitted by Jeremy on August 5, 2007 - 11:29pm.
Linux news
Some entertaining lguest documentation discussed in an earlier story was
merged into the mainline kernel with the commit message, "the netfilter
code had very good documentation: the Netfilter Hacking HOWTO. Noone
ever read it. So this time I'm trying something different, using a bit
of Knuthiness." Both Netfliter and lguest, as well as the documentation
for both, were written by Rusty Russell. He describes the lguest driver
as, "a simple hypervisor for Linux on Linux. Unlike kvm it doesn't need
VT/SVM hardware. Unlike Xen it's simply 'modprobe and go'. Unlike both,
it's 5000 lines and self-contained."
--
Cheers
John
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