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[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index] RE: [Xen-users] Effect of installing Xen on VT enabled machine
Hello,
I want also solve such problem.
As far as I have heard from my colleague (but not tested by self),
there is the possibility how to change the HW configuration in windows if
You want to transfer it to the new platform - You have to first boot on the
old HW configuration where it works, deinstall all devices in the windows
installation, transfer the hdd to the new configuration and then boot with
the new configuration under the new hardware IN SAFE MODE and repair the
current HW of the computer according to the current HW configuration - force
windows to recognize the new HW and install the drivers for it. This could
help in this case too...
So - this could be the solution for You. But WITHOUT WARRANTY - I do
not have any idea what the windows make if You start to deinstall the
running devices - maybe it is no problem, maybe it has to be in the correct
order, maybe the problem is especially with the motherboard related and such
low-level system devices and you do not have to deinstall anything more - so
this I would try as first do deinstall. I know this really helped to
transfer Windows to new hardware - without doing it the start of Windows
always ended with bluescreen, if some devices were uninstalled before the
transfer to new HW, the system has started and recognized the new hardware.
I would like to test also following procedure - this is especially
interesting for me, I want to have the possibility to have 2 HW
configurations (1 if booted directly as stand alone, 1 if booted under Xen
as DomU):
1. create new hardware profile in windows installation (named "Boot from
Xen", or similary)
2. boot the windows directly again but under this new hardware profile
3. go to the HW manager and set to all devices, which are clear they will be
different, that this device will be not used in current HW Profile
4. Reboot in linux, create the domU for windows accessing the physical disc
with your M$ Windows installation
5. Start the Windows domU and select the previously created new HW profile
and start the DomU in safe mode
6. Hope this could work and be configured / new HW recognized
7. Hope if You boot again directly with the original HW profile, this will
still work...
There is some non-zero chance this could work - but I do not have courage to
try it with my working machine and have no time now to install some test
one...
If You try it, let us know about the results ;-)
Good luck, Archie.
-----Original Message-----
From: xen-users-bounces@xxxxxxxxxxxxxxxxxxx
[mailto:xen-users-bounces@xxxxxxxxxxxxxxxxxxx] On Behalf Of Praveen Kushwaha
Sent: Thursday, March 08, 2007 11:08 AM
To: Petersson, Mats; xen-users@xxxxxxxxxxxxxxxxxxx
Subject: RE: [Xen-users] Effect of installing Xen on VT enabled machine
Hi Mat,
That a lot again for prompt reply.
That is fine, windows will not run properly using this method.
It's ok.
But is there any other method through which we can run the
already installed windows as domu without reinstalling it?
And also is there way to create ISO image of already installed
windows?
Thanks,
Praveen Kushwaha
-----Original Message-----
From: Petersson, Mats [mailto:Mats.Petersson@xxxxxxx]
Sent: Thursday, March 08, 2007 3:30 PM
To: Praveen Kushwaha; xen-users@xxxxxxxxxxxxxxxxxxx
Subject: RE: [Xen-users] Effect of installing Xen on VT enabled machine
> -----Original Message-----
> From: Praveen Kushwaha [mailto:praveen.kushwaha@xxxxxxxxxxx]
> Sent: 08 March 2007 09:50
> To: Petersson, Mats; xen-users@xxxxxxxxxxxxxxxxxxx
> Subject: RE: [Xen-users] Effect of installing Xen on VT
> enabled machine
>
>
> Hi mat,
> Again thanks a lot for your replies.
> Basically we have to run same installed windows as domu
> in xen. According to you if we will run if we
> will run same installed windows as domu then it might be that some
> applications will not run properly, that is fine. What I am asking is
> the method I have described (first create image of windows
> then install
> xen and finally create domu using that image) is possible or not.
> Because in creation of domu it ask for the ISO image. Since we can't
> create the ISO image of installed windows, we can only create the disk
> image of installed windows. The question is that will we be able to
> create domu using that disk image?
It MAY work to make a duplicate of the installed windows. The only
problem with that method is that Windows don't like it when ALL the
drivers that it thinks is going to work DO NOT work, because ALL the
hardware in the system is different. Even changing a single component in
Windows can cause big problems...
But if you want to try this, fine - just don't come complaining if it
doesn't work.
--
Mats
>
> In case if we are not able to create domu using that disk image. Is
> there any other method through which we can run already installed
> windows as domu,
> considering that we are not installing windows again.
>
> If you will throw some light on it, it will be great for me.
>
>
>
> Thanks,
> Praveen Kushwaha
>
>
>
>
> -----Original Message-----
> From: Petersson, Mats [mailto:Mats.Petersson@xxxxxxx]
> Sent: Wednesday, March 07, 2007 5:23 PM
> To: Praveen Kushwaha; xen-users@xxxxxxxxxxxxxxxxxxx
> Subject: RE: [Xen-users] Effect of installing Xen on VT
> enabled machine
>
>
>
> > -----Original Message-----
> > From: Praveen Kushwaha [mailto:praveen.kushwaha@xxxxxxxxxxx]
> > Sent: 07 March 2007 11:30
> > To: Petersson, Mats; xen-users@xxxxxxxxxxxxxxxxxxx;
> > xen-devel@xxxxxxxxxxxxxxxxxxx
> > Subject: RE: [Xen-users] Effect of installing Xen on VT
> > enabled machine
> >
> >
> >
> > Hi mat,
> > Thanks a lot again for such a prompt reply.
> > Basically my problem is that. I have a VT enabled
> > machine in
> > which windows is installed in s different partition. Now I
> install xen
> > in different partiton (first linux and then xen). Now I want
> > to run that
> > already installed windows in domu on xen. According to you
> hardware is
> > changed for windows now so it will be difficult to run.
> > Then what other method is
> >
> > 1. First create an image of installed windows
>
> No, you should install Windows AGAIN, this time in the
> Virtual machine.
>
> > 2. Now install xen on machine (first linux then xen)
>
> This is the FIRST step.
>
> > 3. Now create domU for windows using the image file(Give the
> > path image
> > file which is on disk in creation of domu).
>
> That sounds right. And by the way, if you wish to pass the original
> Windows installation as a physical disk to your Windows domU,
> you can do
> that too, and it can then be used as to store files - you just don't
> start the Windows installation that is on there. If you do
> things right,
> you can probably run most applications you have on the
> already existing
> installation too - but some applications become unhappy when
> you change
> the environment around them, so may not work [also, apps that install
> .DLL's into the Windows directory will need to have the relevant DLL's
> re-installed on your Guest installatin].
>
> --
> Mats
> >
> > Is this process right for runing the already operational windows as
> > domu.
> > Please confirm me. Is there any other method for running already
> > operational windows as domu on xen. If there is please let me know.
> > Basically I have to run already operational window on xen.
> >
> > Thanks,
> > Praveen Kushwaha
> >
> > -----Original Message-----
> > From: Petersson, Mats [mailto:Mats.Petersson@xxxxxxx]
> > Sent: Wednesday, March 07, 2007 4:10 PM
> > To: Praveen Kushwaha; xen-users@xxxxxxxxxxxxxxxxxxx;
> > xen-devel@xxxxxxxxxxxxxxxxxxx
> > Subject: RE: [Xen-users] Effect of installing Xen on VT
> > enabled machine
> >
> >
> >
> > > -----Original Message-----
> > > From: Praveen Kushwaha [mailto:praveen.kushwaha@xxxxxxxxxxx]
> > > Sent: 07 March 2007 10:28
> > > To: Petersson, Mats; xen-users@xxxxxxxxxxxxxxxxxxx;
> > > xen-devel@xxxxxxxxxxxxxxxxxxx
> > > Subject: RE: [Xen-users] Effect of installing Xen on VT
> > > enabled machine
> > >
> > > Hi mat,
> > > Thanks a lot for the reply.
> > > But I have one more confusion. Suppose in my
> > > machine there
> > > is more than one partition. In one partition windows is
> > > installed. Now I
> > > want to install xen on it, I will install linux on
> > different partition
> > > and then will install xen in it(on linux). In that case,
> > will there be
> > > any effect on the windows which is in different partition. If
> > > there will
> > > be any effect, then to run that windows as a domu, will we have to
> > > install it again?
> >
> > There will not be any effect on the Windows that is already
> > installed as
> > such - but running that as a guest within Xen will possibly cause
> > problems (I think there's a feature called "Hardware profiles" in
> > Windows that COULD be used to fix the fact that the hardware
> > "appears to
> > change completely", but I'm not at all confident that Windows will
> > actually cope with this)
> >
> > It's notoriously difficult to take a hard-disk with (any
> > modern versions
> > of) Windows and move it to another machine without re-installing
> > Windows. Running Windows as a guest in a virtual machine is
> > essentially
> > the same as moving the hard-disk, because ALL of the
> hardware will be
> > different - chipset, hard-disk interface, network, graphics,
> > usb-devices, etc, etc.
> >
> > So I suggest that you install another copy of Windows using
> Xen (then
> > Windows will detect the correct devices). If you install on
> a physical
> > partition, then Windows running on the hardware could be used
> > to access
> > the same data as the virtual machine, so your documents can
> > be accessed
> > from both the virtual and the real windows setups.
> >
> > --
> > Mats
> > > Please give me your ideas.
> > >
> > > Thanks,
> > > Praveen Kushwaha
> > >
> > > -----Original Message-----
> > > From: Petersson, Mats [mailto:Mats.Petersson@xxxxxxx]
> > > Sent: Wednesday, March 07, 2007 3:15 PM
> > > To: Praveen Kushwaha; xen-users@xxxxxxxxxxxxxxxxxxx;
> > > xen-devel@xxxxxxxxxxxxxxxxxxx
> > > Subject: RE: [Xen-users] Effect of installing Xen on VT
> > > enabled machine
> > >
> > > > -----Original Message-----
> > > > From: xen-users-bounces@xxxxxxxxxxxxxxxxxxx
> > > > [mailto:xen-users-bounces@xxxxxxxxxxxxxxxxxxx] On Behalf Of
> > > > Praveen Kushwaha
> > > > Sent: 06 March 2007 12:07
> > > > To: xen-users@xxxxxxxxxxxxxxxxxxx; xen-devel@xxxxxxxxxxxxxxxxxxx
> > > > Subject: [Xen-users] Effect of installing Xen on VT
> > enabled machine
> > > >
> > > > Hi,
> > > >
> > > >
> > > >
> > > > I have a VT enabled machine on which windows xp
> > > > has been installed. Now I want to install xen on this VT
> > > > enabled machine on which windows xp is already.
> > > >
> > > > Is there will be any effect on windows xp after
> > > > installing xen on it. If there will be any effect what will
> > > > be those. If anyone will have any information please reply,
> > > > it will be grate for me.
> > >
> > > Well, you won't (successfully) be able to "install Xen on
> Windows".
> > >
> > > If you want to convert your machine to running Xen, you'll
> > > have to also
> > > install Linux, which will be your "host operating system".
> > >
> > > So let's presume that you have a free drive to install Linux
> > > on and you
> > > do this, you will then have to set Linux to be your primary
> > > boot, instal
> > > Xen on it (which is relatively easy if you go with one of
> > the Linux's
> > > that have Xen included from the beginning).
> > >
> > > Now you have Xen + Linux on the machine - and you could,
> in theory,
> > > start your Windows as a virtual machine (aka guest or
> DomU) on that
> > > machine. However, the hardwar that Windows sees will be
> > different from
> > > what the real hardware is, so drivers for hard-disk, network,
> > > graphics,
> > > sound etc, would have to be re-installed. It's very
> likely that the
> > > Windows you have on the machine at the moment would not
> > boot with the
> > > "new hardware".
> > >
> > > It's probably better to leave the machine in a dual-boot
> > > mode, where you
> > > have Linux and Windows installed in parallel, and then
> > install Windows
> > > AGAIN for use with Xen. That way, you don't get any
> > hardware problems.
> > > The best way to do this would be to use a physical device
> > > (partition) as
> > > your Windows install destination. That way, you could let
> > your regular
> > > "hardware" windows installation share documents by also
> > mounting this
> > > same partition.
> > >
> > > --
> > > Mats
> > > >
> > > >
> > > >
> > > >
> > > >
> > > > Thanks,
> > > >
> > > > Praveen Kushwaha
> > > >
> > > >
> > >
> > >
> > >
> > >
> > >
> >
> >
> >
> >
> >
>
>
>
>
>
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