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Sco Unix 5.0.6 , Adaptec 3210s, Installation not recognizing a Raid 5 set.

I have an older server with an adaptec 3210s raid controller, with a Raid 5 drive setup.  I have installed a version of Ubuntu Server on the drives and the drives and controller work fine.

My problem is I am trying to install SCO Unix 5.0.6 and when I do, the system comes up with the error that "WARNING: hd: no root disk controller was found".  A Boot-Time Loadable Driver may be required.  

The person who originally built this server back in 2003 had left instructions to add the line: defbootstr link=dpti5 to the boot prompt.   I also added the lines Sdsk=dpti5(0,1,0,0) after researching online and that doesn't allow the OS to recognize the raid 5 drive.

I went on adaptec's website and downloaded the latest SCO driver and that didn't do anything.
 
The only thing different that I am aware of is the motherboard was replaced in 2007.   Several drives have been replaced through out the years but I do not see how that could have affected the os recognizing the drives.  

The raid controller shows HBA:0 Channel:1 ID:0 Lun:0.

I am not the greatest with the Unix OS so any help would be greatly appreciated.
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ALF-Ray
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ALF-Ray
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mikelfritzCommented:
Try just putting in "link" at the boot prompt.  It will prompt you for the BTLD media and choose the dpti5 from the list.

the defbootstr should not be needed at install time.  Maybe the installers instructions were for recovery from an emegency boot/root set.
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ALF-RayAuthor Commented:
I wound up deleting the raid 5 drive, moved the scsi cable to channel 0 and rebuilt the raid 5 drive and worked like a charm.
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ALF-RayAuthor Commented:
Because what I did worked.
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