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  1. Comments: Gated by NETNEWS@AUVM.AMERICAN.EDU
  2. Path: sparky!uunet!paladin.american.edu!auvm!UNC.BITNET!URJLEW
  3. Message-ID: <IBM-MAIN%92072910331071@RICEVM1.RICE.EDU>
  4. Newsgroups: bit.listserv.ibm-main
  5. Date:         Wed, 29 Jul 1992 11:28:00 EST
  6. Sender:       IBM Mainframe Discussion list <IBM-MAIN@RICEVM1.BITNET>
  7. From:         "Rostyslaw J. Lewyckyj" <URJLEW@UNC.BITNET>
  8. Subject: Re: Esoteric Device Message in ESA 4.2
  9. Lines: 24
  10.  
  11. > Specifically, if ALTRES (for example) is permanently resident, why
  12. > do the following fail without UNIT=nnnn?
  13. >
  14. > //OLD    DD  DISP=SHR,DSN=SYS1.LINKLIB,VOL=SER=ALTRES
  15. > //NEW    DD  DISP=(NEW,KEEP),DSN=SYSX.LINKLIB,VOL=SER=ALTRES,
  16. > //           SPACE=...,DCB=...
  17. >
  18. > /Leonard
  19.  
  20. A naive question, and one that I should be able to resolve by
  21. experiment, except that perhaps qustions would be asked on why
  22. I am experimenting.
  23. In the above situation is
  24.  //OLD    DD  DISP=SHR,DSN=SYS1.SEQUENTIAL.DATASET,VOL=SER=ALTRES
  25.  //NEW    DD  DISP=(NEW,KEEP),DSN=SYSX.SEQUENTIAL.DATASET,
  26.  //           UNIT=TAPE,VOL=SER=ALTRES,LABEL=(1,SL),
  27.  //           DCB=SYS1.SEQUENTIAL.DATASET
  28.  and or
  29.  //OLD    DD  DISP=SHR,DSN=SYS1.SEQUENTIAL.DATASET,VOL=SER=ALTRES
  30.  //NEW    DD  DISP=(NEW,KEEP),DSN=SYS1.SEQUENTIAL.DATASET,
  31.  //           UNIT=TAPE,VOL=SER=ALTRES,LABEL=(1,SL),
  32.  //           DCB=SYS1.SEQUENTIAL.DATASET
  33.  permitted ?
  34.  --Rostyk
  35.