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RE: [linux-lvm] won't dual boot: 2 disks and LVM



On Wed, 2007-12-19 at 11:20 +0100, Georges Giralt wrote:
> Selon cs <cs networkingnewsletter org uk>:
> 
> > On Tue, 2007-12-18 at 16:52 -0500, pham_cuong emc com wrote:
> > > There is a difference between changing the boot order from the BIOS vs.
> > > [physically] removing the master HD.  Here's why:
> ...............Usefull stuff snipped............
> > > Regards,
> > >
> > > Confucius
> >
> > useful stuff but I'm still unsure why if I change the order in BIOS then
> > (when I had it working a bit) it would start the XP boot sequence (and
> > not the GRUB from master) but then hang indefinitely...
> Hi !
> Let me chime in here as I've faced the same problem you've got.
> My PC has a lot of disks, some of them for Fedora/LVM/mirror install, some of
> them for Mandriva/Ubuntu install and one with Windows XP.
> The problem I encountered came from ...guess what ? Windows XP installation.
> Here is a _short_ HowTo.
> 1) open you PC and let ONLY one disk into it as MASTER (if IDE) and install
> Windows/XP.
> 2) Double check that the Windows/XP boot section specify only this disk.
> 3) Test that you can boot Windows/XP in this particular configuration.
> 4) Return PC hardware as it should be.
> 5) double check that you Linux/LVM config boots fine.
> 6) modify the Grub.conf file to have Windows/XP believe it is on first disk/only
> disk using map() command.
> 7) double check Windows/XP boots fine.
> If you do a Windows/XP install with another configuration than above, you will
> have some references to this configuration in the registry/boot config...etc and
> won't be able to run  XP¨again. Also be sure to wipe clean the Windows/XP disk
> before installation, otherwise, you know what....
> This is just "been there, done that" .... kind of PITA I had.
> And, of course, YMMV.

that does seem the only safe way but I'm still struggling to understand
why!

Thanks, Michael





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