[96592] in RedHat Linux List
Re: Removing HD
daemon@ATHENA.MIT.EDU (Roy Wood)
Wed Oct 28 09:10:40 1998
Date: Wed, 28 Oct 1998 09:10:44 -0500
From: Roy Wood <roy@centricsystems.ca>
To: "Jose M. Sanchez" <opjose@ex-pressnet.com>, <redhat-list@redhat.com>,
<redhat-digest@redhat.com>
Resent-From: redhat-list@redhat.com
Reply-To: redhat-list@redhat.com
>check your /etc/fstab to see what is being mounted where before you do
>anything else...
Nope. That's not it.
I did some more digging, and I think it comes down to the fact that LILO
is guessing that my /dev/sda is accessible as BIOS drive 0x82, which is
true, since the Adaptec 1542 patches BIOS to support this. If I pull the
second IDE, then the Adaptec patch makes the SCSI drive BIOS drive 0x81.
I *think* I can get around this by setting up my /etc/lilo.conf to force
LILO to look for /dev/sda as BIOS drive 0x81 by adding something like
this:
....
DISK=/dev/sda
BIOS=0x81
....
I'm nervous about going ahead and doing this though, since I could be
left twisting in the wind if it doesn't work. I'm going to try writing
this modified LILO to a floppy and using that to boot with the slave IDE
removed, but I'm going over the docs *very* carefully before I try it. I
want to be very, very sure that I'm writing the booter to the floppy, not
to the hard drive(s).
By the way, the LILO docs in /usr/doc/LILO are really good. I should
have RTFM first.
And for those interested, I've got LILO installed in the MBR on my master
IDE drive, which is where the catch comes in, since the MBR portion of
LILO needs to pull in the rest of LILO from my SCSI drive. When I
installed RedHat, the installer set up LILO well enough for things to work
-Roy
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