CentOS - Nov 2006 - Drives Not Recognized on Dell Poweredge 1550 CentOs4 install

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

Hi,

I went through similar issue two days ago.  Upstream provider dropped
support for the card in my box, megaraid.  So the link you have below
will be helpful.  I booted w/ a supported spare scsi card then built
the new driver and edit modprobe.conf and did  mkinitrd, updated grub
and all went well. Another great resource is the Dell Linux on PE list

http://lists.us.dell.com/mailman/listinfo/linux-poweredge



Good luck-



On 11/10/06, Phillip Crump <pjcrump at bitstream.net>
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
>
>
> _______________________________________________
> CentOS mailing list
> CentOS at centos.org
> http://lists.centos.org/mailman/listinfo/centos
>

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:

http://sigurd.hogsbro.org/blog/archives/39

Thanks,
Johnny Hughes
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