So, DISP=SHR is not the default, as I thought was implied by John's statement that "Z/os VSAM is always accessed as DISP=SHR."

Tony Thigpen

Gibney, Dave wrote on 07/10/2018 05:49 PM:
If DISP=SHR (that is if not DISP is provided), then the JCL Default of 
(NEW,PASS) would happen and the job would fail

-----Original Message-----
From: IBM Mainframe Discussion List [mailto:IBM-MAIN@LISTSERV.UA.EDU]
On Behalf Of Tony Thigpen
Sent: Tuesday, July 10, 2018 2:43 PM
To: IBM-MAIN@LISTSERV.UA.EDU
Subject: Re: z/OS JCl vs. VSE JCL: VSAM files

Then, why does every VSAM DD for every z/OS site I have worked with,
always include DISP=SHR?
(I guess, because it's a habit from non-VSAM files and nobody told them they
did not have to do it.)

Tony Thigpen

John Clifford wrote on 07/10/2018 04:16 PM:
Z/os VSAM is always accessed as  DISP=SHR.

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