[CentOS] Drives Not Recognized on Dell Poweredge 1550 CentOs4 install

Johnny Hughes mailing-lists at hughesjr.com
Sat Nov 11 10:20:49 UTC 2006

On Sat, 2006-11-11 at 01:20 -0600, Phillip Crump wrote:
> I have a new (used)Dell Poweredge 1550 server with 2 scsi drives (dual 1ghz
> w/ 2048MB) that I'm attempting to install CentOs 4 onto and am having
> problems getting the darn thing to recognize the hard drives.  (it's worth
> noting that it's running RAID 0 and the RAID bios recognizes both drives as
> being in "optimal" state).  I start the installation process and all is
> going well until it autoprobes. All other hardware is found
> except for the hard drives. The install subsequently fails because there the
> drives can't be found.
> I have been googling my brain out over the last week and this seems to be an
> issue with installing linux
> on this particular server model. (surrounding the megaraid driver and have
> tried many of the
> things out there to no avail.
> To see what I have been trying checkout this mailing list entry:
> http://lists.centos.org/pipermail/centos/2005-August/010021.html
> Any advice that anyone can give is appreciated!
> PJ

If it is a PERC 2 card it is not supported by CentOS (thanks to a RHEL
kernel decision) ... so you will need to build the proper kernel module
to use.

Look here:


Johnny Hughes
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