Re: [opensuse] pre-install considerations for xen



ken wrote:
It sounds like you and I want to do the same thing: run XP and Linux
under Xen on a laptop.

I don't remember all the web pages I went to. But a good place to start
reading is wikipedia. Go there and search for "xen". That page has a
good explanation of the technology and its capabilities and good links
to other web pages. Eventually you'll get to <xensource.org>... I think
that's the website. The wikipedia link in the first paragraph below is
good too.

hth,
ken

On 09/27/2007 12:56 PM David C. Rankin wrote:
Ladislav Slezak wrote:
Basil Chupin wrote:
ken wrote:
There's a couple reasons for running xen, but the major one for me is to
be able to run XP without having to reboot into it. From reading some
docs though, it seems that I'd need a different CPU from what I have (an
Intel Pentium M processor, basically a Pentium 6 with mobility
technology). So does this suck? Or is it okay?
No, this processor doesn't have the virtualization support, see e.g.
http://en.wikipedia.org/wiki/Intel_Virtualization_Technology
for more information.

Secondly (if I get past the first hurdle, above), as is typical, XP was
installed when I bought the machine and I got no install CD. Do I need
an install CD/DVD for XP to make it a domU?
The easiest way is to install it using CD/DVD. For moving an existing
installation you need a p2v (physical to virtual) tool. AFAIK there are only
commercial tools, but some of them have a free trial version.

The docs say that ACPI doesn't yet work on xen (meaning my battery's
going to drain faster), but that this should be fixed in future. Has
this future come yet? (Yeah, docs can go out-of-date.)


I'm due for an upgrade, would like to upgrade into xen, but I'm
pessimistic it'll work. Does anyone have any firsthand experience with
any of this or otherwise have authoritative info?


Much appreciated.
Doesn't answer your questions, but this may be of interest when you are
considering using Xen - a quote from the description of Xen in the Yast2
Software Management:

"A port of Windows XP was developed for an earlier version of Xen, but
is not available for release due to license restrictions."
This is about paravirtualized system, in a fully virtualizated guest you don't
need any modification to the guest OS (so in theory you can run any OS in a Xen
guest) but you need virtualization support in the CPU.


Ladislav

Where can I read more about what Zen requires. I'm dual-booting 10.2 and
XP on my laptop at present and I would like to install XP into a
virtual machine within 10.2. I have a P4 duo-core processor. Where can I
get more info to see if Zen will work or whether I will have to try a
closed source vmware-Workstation.




Excellent Ken!

If we have gotten to the point where XP has been reduced to a
virtualized app running under a Linux oss virtual machine - oh, the coup
de ta that will be!

--
David C. Rankin, J.D., P.E.
Rankin Law Firm, PLLC
510 Ochiltree Street
Nacogdoches, Texas 75961
(936) 715-9333
(936) 715-9339 fax
www.rankinlawfirm.com
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