We have z/VM5.3, with an IBM 3494 tape library system running RMSMASTER 
(DFSMS), AND DYNAM.  We are doing a stacked DDR tape switch 4 volumes on it.

On the 4th tape we get:
  
Tape 0590 given to DYNAMVM 0590
11:25:33     CADT822I DSN=DDR.XX.530W02.3 IS FILE NO. 3 THERE ARE ONLY 1 FILES 
ON TAPE 050094
CADT713E OPEN REQUEST FOR DDNAME DDROUT CANCELLED
       +++ RC(84) +++
    71 *-*  'CP Q T'
       >>>    "CP Q T"

------------------------------------------------------


What we get on the previous volumes are:

--------------------------------------------
Tape 0590 given to DYNAMVM 0590
Tape 0181 attached
11:22:13     CADT831I *CLOSED* DDRWKLY 0590 050094 DDR.XX.530W01.2
----------------------------------------------------------------------

You don’t see the TAPE 181 ATTACHED.

If you add sleep of 180 seconds, or you put a trace in it works.  DYNAM support 
cannot reproduce the problem.  

Anybody else had trouble with this?


Jan Canavan
[EMAIL PROTECTED]
VSE/VM SYSTEMS PROGRAMMER

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