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Article #533

Re: why can't one boot from /dev/hdb?

#533
From: Eric
Date: Wed, 06 Dec 2000 00:00
43 lines
2680 bytes
> err, sorry, I just thought I might reduce the noise pollution.  Thanks for
> caring.
> Mainly my discovories are [which might be hints for newbie helping docs]:
> A boot disk has two types:
> one that just contains the MBR
> one that has more --- a rescue disk
> one that has even more: a linux complete on a floppy... ok 3rd type.
> 
> also I never expected it to be true that one could just
> edit menu.lst and not even run a command and it would affect things---true
> in some cases.  This is diffrerent than lilo it seems. one still needs to run
> lilo.
> All these newbie things aren't really mentioned often.
> 
> A question I have is "installing lilo/grub on windows hda or hda1"
> there are apparantly seveal degrees to such an installation.
> one would be just writing to the MBR of hda.
> another degree would entail more space on hda or hda1, but is there
> such space waiting or will a windows thingy get ruined in the process.
> 
> I'm thinking the best thing would be if the boot  process would not invold both
> hda hdb abd floppy.  i.e., revove the windows disk and still can boot linux,
> remove linux disk and still boot windows----all with the minimal amount of
> reconfiguration.
> 
> 
> indeed, i'm sure if I finally give in and overwrite MBR of hda, all will be
> simple...
> I just thought I could get away with overwriting MBR of hdb for the same
> effect..

Now I see what you want to do :-)

Svend olaf mentioned the solution to that:
1) force hdb to 0x80 and hda to 0x81
2) Install LILO in the MBR of hdb and configure your BIOS to boot from
hdb

If that doesn't solve all the problems, (You still may have that
geometry mismatch)
report back to us.

Eric
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From: Eric <scare.crow@oz.land>
Subject: Re: why can't one boot from /dev/hdb?
Date: 2000/12/06
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