Warning HD: no root disk controller was found

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Operating Systems SCO Warning HD: no root disk controller was found
# 1  
Old 09-24-2009
Question Warning HD: no root disk controller was found

i hav a problem to install sco unix
while installing sco unix 5.0.5 in acer altos with hardware raid
am getting error

"Warning HD: no root disk controller was found
system error 5: while getting fs type
flushing controller: DAC960PRL cache done."

i hav use the following commands
boot: defbootstr link=mdac
boot: ahslink
boot: defbootstr ahslink=mdac Sdsk=mdac(0,0,0,1)
boot: defbootstr ahslink=mdac Sdsk=mdac(0,0,1)
but these command are not working.....

plz help me.. i want to solve the problem with in 2days..
# 2  
Old 09-24-2009
boot: defbootstr link Sdsk=mdac(0,0,0,1)

and put the mdac diskette in the drive.
# 3  
Old 09-24-2009
i hav used tis command also but it's still not working dude........
# 4  
Old 09-24-2009
How many system disks does the POST report, and what condition are they in?
# 5  
Old 09-24-2009
there are three disk they are

" Segate cheetah Model no: ST318406LC ultra3 SCSI 10k 18GB "

three disk are same disk
# 6  
Old 09-25-2009
But what is the RAID configuration, and the state of the RAID (dead, degraded, online)
# 7  
Old 09-25-2009

now "no root disk controller was found" is rectified.
tis error coz of hardware raid not configured properly.

now only error is

"system error 5: while getting fs type
flushing controller: DAC960PRL cache done."
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