>> DISP=NEW fails if the PDS already exists > Not if the name of a non-existent member is specified.
Nay! I just tested exactly that and got IEF253I TCC00114 BR14 FOO - DUPLICATE NAME ON DIRECT ACCESS VOLUME The same DD executes if I specify DISP=MOD (but would presumably fail on the CLOSE). > I'm still waiting for an explanation of how a member can exist in a partitioned > data set that cannot exist - possibly I'm in the wrong universe! If you're still waiting you didn't read what you quoted below! "this can only happen if the program creates the member during execution (OPEN, PUT, CLOSE, OPEN, PUT, CLOSE) because after all the PDS must be brand new" Charles -----Original Message----- From: IBM Mainframe Discussion List [mailto:[email protected]] On Behalf Of Chris Mason Sent: Saturday, March 05, 2011 8:41 PM To: [email protected] Subject: Re: Difference between DISP=NEW and MOD for a PDS member? Charles The bottom line lacks copper. > DISP=NEW fails if the PDS already exists Not if the name of a non-existent member is specified. > DISP=NEW and MOD both fail if the member already exists. I'm still waiting for an explanation of how a member can exist in a partitioned data set that cannot exist - possibly I'm in the wrong universe! Chris Mason On Sat, 5 Mar 2011 11:28:40 -0800, Charles Mills <[email protected]> wrote: >And I guess the bottom line on the original technical question is: > >- DISP=NEW fails if the PDS already exists (or, if you will, "may be used to >make certain that the PDS does not already exist"); DISP=MOD is good either >way. >- DISP=NEW and MOD both fail if the member already exists but fail >differently: NEW fails on the CLOSE with SB14-04 -- this can only happen if >the program creates the member during execution (OPEN, PUT, CLOSE, OPEN, >PUT, CLOSE) because after all the PDS must be brand new; MOD fails on the >OPEN but I am not sure of the exact error. > >Comments? > >Charles >-----Original Message----- >From: IBM Mainframe Discussion List [mailto:[email protected]] On Behalf >Of Charles Mills >Sent: Saturday, March 05, 2011 7:26 AM >To: [email protected] >Subject: Re: Difference between DISP=NEW and MOD for a PDS member? > >A lot of replies. Thanks all. Let me try to address various comments in a >single response. ---------------------------------------------------------------------- For IBM-MAIN subscribe / signoff / archive access instructions, send email to [email protected] with the message: GET IBM-MAIN INFO Search the archives at http://bama.ua.edu/archives/ibm-main.html ---------------------------------------------------------------------- For IBM-MAIN subscribe / signoff / archive access instructions, send email to [email protected] with the message: GET IBM-MAIN INFO Search the archives at http://bama.ua.edu/archives/ibm-main.html
