Thanks to all for your suggestions and comments on our recent DASD
problem.

The problem turned out to be just as Hitachi had originally said, a
definition screw up on my part. ( What? You're surprised? ;) ) 

In defining the control units in the IOCP I had:

CTL70    CNTLUNIT CUNUMBR=7001,PATH=(70,71),UNITADD=((00,256)),        *

               CUADD=0,UNIT=2105                                        

CTL71    CNTLUNIT CUNUMBR=7101,PATH=(72,73),UNITADD=((00,256)),        *

               CUADD=1,UNIT=2105                                        

When I should have had:

CTL70    CNTLUNIT CUNUMBR=7001,PATH=(70,71),UNITADD=((00,256)),        *

               CUADD=0,UNIT=2105                                        

CTL71    CNTLUNIT CUNUMBR=7101,PATH=(72,73),UNITADD=((00,256)),        *

               CUADD=0,UNIT=2105                                        

Small mistake, big consequences.

A BIG, BIG thank you to Raymond Noal and Sergio (Ed) Castro of Hitachi
for their help in chasing down the cause of the problem, and finding a
resolution for us.

Now if we can only get our Quality Assurance people to okay production
use...

Peter 


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