I've always been under the impression that the Master Boot Record is
always located in the first sector of a disk, not in one of the
partitions. You can change which partition is active (bootable) with
fdisk or qparted. If the system is already dual-booting it shouldn't
be difficult to remove Windows from the picture.
On Sat, 2006-02-25 at 19:36 -0700, Dennis Kibbe wrote:
> On Saturday 25 February 2006 06:14, mike enriquez wrote:
> > Got a newbie question here for some of you?
> > I want to remove windows from my dual boot computer. How can I do this
> > without messing up my Red Hat WS.
> > Any help would be appreciated.
> > Thanks.
> > Mike Enriquez
> > el newbie :)
>
> Hi Mike,
>
> Funny, I was talking to Hans Reiser just the other day about doing exactly
> that. He was a speaker at SCaLE 4+.
>
> Here are the issues you'll face.
>
> 1. The MBR is most likely on the WIndows partition. You can run cfdisk (or
> fdisk) as root to see what partiton is marked bootable. If it is then you'll
> want to leave the partiton.
>
> 2. You can resize the Windows partition down, but you won't be able to move
> the Linux partition into the resulting space (or. at least, no easily) unless
> EXT3 is different than ReiserFS.
>
> The safest thing to do is to remove as many programs and as much data from the
> Windows partition as you can, then run Disk Cleanup, Scandisk and defrag.
> Then you can resize the Windows partition down as low as it will go plus
> about 512MB so Windows as some elbow room to boot. You can use the latest
> KNOPPIX disk to do this.
>
> Next create a new partiton in the free space and mount it as whatever you like
> (/data, /extra. etc.) so Red Hat can use it.
>
> One person I talked to at SCaLE always sets up computers using LVM so resizing
> is a trivial thing. I don't know if you'd have that option now. [Anyone
> care to comment?]
>
> Or the easiest thing to do might be to wait for the next major Red Hat
> release, backup your data and then do a fresh install.
>
> Dennisk
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