Radoslaw and Zaromil
Now that you, Zaromil, has actually gone and bothered to read the manual for
us all, what you. Radoslaw, said still needs a minor adjustment, namely:
"If you specify unit and volser, the *data set* is not required" - as long
as you don't go and do something silly like try to use it!
It seems that my original informant may also have misled me all this time
and that OLD or SHR would have been equally as acceptable as MOD.
Chris Mason
----- Original Message -----
From: "R.S." <[EMAIL PROTECTED]>
Newsgroups: bit.listserv.ibm-main
To: <IBM-MAIN@BAMA.UA.EDU>
Sent: Wednesday, May 23, 2007 8:43 AM
Subject: Re: DISP=(MOD,DELETE)
...
If you specify unit and volser, SPACE parameter is not required.
If you don't specify unit & volser - that mean you want to use catalog, then
SPACE is mandatory for non-existent dataset. Obviously SMS-managed dataset
are cataloged, so my previous answer was "almost true" as IBM answer above
<g>
...
--
Radoslaw Skorupka
Lodz, Poland
----- Original Message -----
From: "TISLER Zaromil" <[EMAIL PROTECTED]>
Newsgroups: bit.listserv.ibm-main
To: <IBM-MAIN@BAMA.UA.EDU>
Sent: Wednesday, May 23, 2007 8:54 AM
Subject: Re: DISP=(MOD,DELETE)
...
according to "12.19 DISP Parameter" in the JCL RM (z/OS 1.8):
----------------------------------------
If the system obtains unit and volume information for an OLD, MOD, or SHR
status, the data set is treated as if it exists, whether or not it is
physically on the device. ----------------------------------------
and the "4.6.2.1.8 Disposition Processing of Data Sets that Do Not Exist"
in
the JCL UG (z/OS 1.8) says:
----------------------------------------
When VOLUME and UNIT Are Coded: When you code VOLUME and UNIT on the DD
statement, a JCL error will occur if the problem program attempts to open
the data set. Otherwise, the data set disposition depends on the DISP
normal
termination disposition:
When the normal termination disposition is KEEP, the job log will show
that
the data set was kept. ----------------------------------------
Zaromil
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