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Re: Kernel Panic with RAID

On Thu, 2007-07-26 at 01:02 -0700, paul wrote:
> Hello All,
> I have been using Fedora since FC2 with virtually no problems.
> I just did a clean install of F7 from the live CD and have two issues that I 
> have been unable to resolve.
> I notice that my IDE HDD shows up as a SCSI drive (sda)

I don't mean to lecture, but you should have read the release notes for
F7.  They specifically state that in the kernel that ships with F7, ALL
hard disks are treated like SCSI.

> Also, when I try to boot from my Adaptec 1200A RAID controller, I get a 
> kernel panic error.
> However, while booting from the mainboard IDE controller it boots OK.
> Any suggestions where I should be looking?

You should include the actual panic message.  The odds are that the
initrd wasn't built with the Adaptec driver--especially if you installed
on an IDE drive.  Anaconda saw no reason to include that driver since
your installation environment didn't need it.  If you had partitioned
the SCSI drive in the installation, the anaconda would have included the
driver since it'd be needed to access the partitions on the next boot.

You can add an

	alias scsi_hostadapter name-of-adaptec-driver

to your /etc/modprobe.conf file and rebuild your initrd file:

	# cd /boot
	# mkinitrd -f -v initrd-`uname -r`.img `uname -r`

Or rebuild it without modifying /etc/modprobe.conf and forcing the
loading of the Adaptec driver:

	# mkinitrd -f -v --preload=name-of-adaptec-driver initrd-`uname -r`.img
`uname -r`

Personally, I'd suggest putting the line in modprobe.conf.  Saves
confusion later.

With either mkinitrd command, watch the output and make sure the Adaptec
driver gets loaded into the image.

- Rick Stevens, Principal Engineer             rstevens internap com -
- VitalStream, Inc.                       http://www.vitalstream.com -
-                                                                    -
-       A squeegee, by any other name, wouldn't sound as funny.      -

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