On 11/05/2010 02:11 PM, Casper Bang wrote:
Interesting! Ideally we should all run a minimum lightweight host OS a
la EFI, with (multiple, simultaneous) virtual image sessions on top.
I'd assume with modern hardware and virtualization support, the
overhead would say marginal.
Do you have mind-reading capabilities? :-) It's precisely one of the
things that I'm experimenting with. Since I have to keep on working with
my laptop (and running the thing on an experimental setup doesn't make
sense since it wouldn't be exercised by my normal workflow), I'm doing
in steps:
1. First, have four partitions: three for Linux, Mac OS X, Windows 7 and
one data partition
2. Then, be able to boot in any of the three o.ses and run the others in
a virtual machine (but using the physical partitions, so all the setups
are shared).
At the moment I can boot in Linux and run Mac OS X in a virtual machine
(*), or run Mac OS X in a virtual machine and boot Linux in a VM. There
are some glitches to fix, and then I'll move on with Windows.
The recurrent problem is the data partition. There's basically no
feasible solution to have a shared, native filesystem mountable with no
problems by all the three o.ses. Thus, what makes sense is to choose a
filesystem mountable by one of the o.ses (e.g. ext4 and Linux) and
running Linux in a VM, sharing the partition e.g. by NFS or such. Of
course, it's a waste to run a whole Linux box just to share a
filesystem, and I'm trying to have just a very turimmed down kernel. I
suppose I should be able to do that with a very small memory footprint.
The aim of all this is to be as free as possible from any operating
system, keeping the capability of running any of them when you need it
for some reason (probably, I could do just with Linux and Mac OS X, but
I think it makes sense to add Windows 7 for completeness).
BTW, at this point, it would be nice to know if anybody else has tried
the same, or knows something like that.
--
Fabrizio Giudici - Java Architect, Project Manager
Tidalwave s.a.s. - "We make Java work. Everywhere."
java.net/blog/fabriziogiudici - www.tidalwave.it/people
[email protected]
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