RE: Boot loader problem after addiing SCSI disk

Thanks for your response, Arun,

Unfortunately the three scsi devices are not identical.

The old sda and sdb are two internal raided file systems on two 3ware 8
port PATA controllers,
and the new one is an external raid brick fed through a USCSI 160
controller.

I cannot make any physical change on the scsi devices.

Peter

-----Original Message-----
From: redhat-list-bounces@xxxxxxxxxx
[mailto:redhat-list-bounces@xxxxxxxxxx] On Behalf Of Arun Williams
Sent: 08 June 2006 09:08
To: General Red Hat Linux discussion list
Subject: Re: Boot loader problem after addiing SCSI disk

As per new configuration replace the sda disk with sdb , sdb with sdc
and sdc with sda. Keep ur grub and mbr in old configuration.
This might work.

"Chiu, PCM (Peter)" <P.C.M.Chiu@xxxxxxxx> wrote:
I have hit a problem in booting up a RH 9 box after adding a SCSI
disk.

The boot process pauses after displaying:

GRUB Loading stage 1.5
GRUB Loading, please wait...

The machine does not show any response, not even
Control-Alternate-Delete.

I boot off RH9 CD and started off Linux rescue mode.

I can see all the existing scsi disks as well as the new one - though
somehow, the new one becomes sda, and the old sda becomes sdb, and the
old sdb becomes sdc.

I tried to reset the MBR with grub-install /dev/sdb but same result.

I have also tried replacing all references on hd0,0 to be hd1,0 in
grub.conf, and reapply grub-install /dev/sdb, still no joy.

Any idea anyone?

Thanks.

Peter

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