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Old 08-17-2010, 08:56 AM   #1
viralmand
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Exclamation Dual Boot


I am having 2 Hard Disk 1 is having RHEL 5 Installed And 2nd is having Windows XP, now i want to dual boot my PC with the help of this two Hard Disk? Can i Dual Boot with RHEL & Win XP having Installed in 2 different HD? what is the Procedure? Plz Help.

Thanks in advance
viralmand
 
Old 08-17-2010, 09:15 AM   #2
r_s
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Quote:
Originally Posted by viralmand View Post
I am having 2 Hard Disk 1 is having RHEL 5 Installed And 2nd is having Windows XP, now i want to dual boot my PC with the help of this two Hard Disk? Can i Dual Boot with RHEL & Win XP having Installed in 2 different HD? what is the Procedure? Plz Help.

Thanks in advance
viralmand
Yes, you can dual boot using two different hd, in your grub file you need to add a mapping for the hard disk containing Win XP.

http://ubuntuforums.org/showthread.php?t=179902

Last edited by r_s; 08-17-2010 at 09:17 AM.
 
Old 08-17-2010, 09:34 AM   #3
i92guboj
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Quote:
Originally Posted by viralmand View Post
I am having 2 Hard Disk 1 is having RHEL 5 Installed And 2nd is having Windows XP, now i want to dual boot my PC with the help of this two Hard Disk? Can i Dual Boot with RHEL & Win XP having Installed in 2 different HD? what is the Procedure? Plz Help.

Thanks in advance
viralmand
You can do that. Even if you only had a single HD. In any case, the easiest procedure is to *first* install Windows as usual, then install linux on a different partition.

The installer should guide you through the process without much problem, and it should detect the rest of installed OSes (particularly Windows) and add them to your boot loader menu, so you can decide which OS you want to boot when you turn on the computer.

You can as well install Windows after having installed Linux, but you will then need to reinstall your boot loader manually or using some tool like the supergrub livecd because Windows will overwrite the boot loader with its own, in the wrong assumption that Windows will be the only OS in your machine.
 
Old 08-17-2010, 10:06 AM   #4
rmknox
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An easy way to dual boot ( or quad boot for that matter) that does not change anything on your disks is through your bios - if your bios has this feature.

It varies from bios to bios

On my system - if I hit function key 8 during the start of the boot, the bios gives me alist of disks and lets me select which one to boot.
Alternatively if I hit escape it gives me access to all the bios settings - one of which is where to boot from.

The advantage of this is that you dont mess up your boot block with foreign material, and dont need to concern yourself with the sophisticated details about things like grub.
 
Old 08-17-2010, 10:14 AM   #5
yancek
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Your post seems to indicate you alread have Red Hat installed on one drive and xp on another. Is that the case? Are you able to boot both/either?

The suggestions above should work but without specific partition information it is difficult to give specific advice. You can use the Grub bootloader or the windows bootloader or just select from the BIOS as indicated above. Using Grub is a lot easier. For specific information, I would suggest you post your partition information. You can get this by running the command: fdisk -l (lower case Letter L) as root user in Red Hat, assuming you can boot into it? If not, use any Linux Live CD. Post that information here.
 
  


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