On Mon, Mar 12, 2007 at 03:28:58PM -0600, Jason Hlady wrote:
>I've gotten as far as building the client images, and have assigned  
>the nodes.  I'm trying to install the nodes via PXE now, and the SIS  
>package works; it assigns the addresses, begins to transfer data, but  
>then complains that it can't find /dev/sda (DISKS=0).  I suspect this  
>is because the kernel that the SIS stuff uses doesn't recognize the  
>Dell PowerEdge 1950's SAS controller (at least that's what I believe  
>is in there right now).

the pe1950 sas controller works with the 'mptsas' module. if you can
modprobe that than it should work. might need mpiscsih too - not sure.

in my case I have SAS on the front-end and SATA on backends, and the
SATA controller wasn't recognised properly by OSCAR. so I have this
OSCAR script to load up ahci (the sata driver) for the backends.
no other changes are necessary.

----- /var/lib/systemimager/scripts/pre-install/01all.load_sata_driver ------
#!/bin/sh
#

echo 
echo "loading ahci sata driver"
echo 
modprobe ahci
-----------------------------------------------------------------------------

in your case you'd just modprobe 'mptsas' instead of 'ahci'.
does that help?

cheers,
robin


>
>Does someone have the required kernel/boel_binaries compiled out  
>there for a Dell PE1950?  Or am I wrong about why this is failing  
>here, and do I need to go back a step (this looks similar to the  
>problem I've seen before where the disk controller was not recognized  
>by the SIS installer minikernel)?  Has anyone installed OSCAR 5.0 on  
>Dell PE1950s?
>
>Cheers,
>
>Jason
>-----------------------------------
>Jason Hlady, B. Sc., M. Sc. (Chem.), Adv. Cert. (Comp. Sci.)
>Programmer/Analyst (Bioinformatics/HPC Specialist)
>U of Saskatchewan, Bioinformatics Research Laboratory (BIRL)
>[EMAIL PROTECTED] (306) 966-2075
>
>
>
>
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