Question about dual booting (or something similar)
Timothy Payne
tim at tmpco.com
Sat Oct 30 18:31:12 UTC 2004
On Fri, 2004-10-29 at 18:46, Giulio Sorrentino wrote:
> David Le wrote:
>
> >Hi,
> >
> >I have 2 separated disks and 1 PC.
> >-Disk 1 installed Windows XP originally.
> >-Disk 2 installed FC1 by me separately.
> >
> >Currently, I have to swap between Disk 1 and Disk 2
> >when I boot-up my PC. It is very inconvenient so I
> >want to setup dual-boot such that I am able to select
> >the OS at the boot-up time and, in the futre, I can
> >always switch back to single boot with Windows XP disk
> >only.
> >I'm not sure if Linux boot loader will change any
> >thing on the master boot record of Disk1 (Windows XP)
> >such that I cannot boot Disk1 without Disk2 attached?
> >I still need Disk 1 for other critical tasks so I'd
> >like to leave Disk 1 untouched as much as I can.
> >
> >Your answer is appreciated.
> >
> >--david le.
> >
> >
> I assume that you want to put linux as primary master and windows as
> primary slave.
>
> What you want to do is not safe: windows xp has been installed on
> primary master as linux; so every "hard riferiment" (if they exist) on
> windows are on primary master: if you switch and they exists are lost;
> so DO A BACKUP COPY BEFORE START (i suggest you to do an hard disk image).
> If on linux hard disk are any vaft/ntfs partition destroy it or reformat
> in any filesystem that windows does not recognize.
>
> If you want to keep them separate i suggest you to boot with the
> recovery console and reinstall windows boot loader as primary slave.
> After you have to control that the c:\boot.ini file has been modified
> for searching windows directory on primary slave: if it don't you have
> to modify it.
> You should have a line similar to:
> multi(0)disk(0)rdisk(0)partition(0)\WINNT="Microsoft Windows XP
> Professional" /fastdetect
> I suggest you to do a bertpe (http://www.nu2.nu/pebuilder/) cd and
> integrate in it the norton ghost 8.
>
> Then try to boot and if it works you simply have to modify the grub
> configuration as suggested; if it does not works you have to restore the
> disk as primary master and run norton ghost to have "roll back" with the
> hard disk image.
I set up the two disks separately one at a time as the master disk.
Then I made my Win98 disk the slave with the jumper and plugged them
both in. This is what I found to work in grub for Win98:
title win98
map (hd0) (hd1)
map (hd1) (hd0)
rootnoverify (hd1,0)
chainloader +1
There is lots of examples on the web, you may just need to find the one
that works for you and your OS.
Tim...
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