What release? There have been multiple code changes over the years. -- Shmuel (Seymour J.) Metz http://mason.gmu.edu/~smetz3 עַם יִשְׂרָאֵל חַי נֵ֣צַח יִשְׂרָאֵ֔ל לֹ֥א יְשַׁקֵּ֖ר
________________________________________ From: IBM Mainframe Discussion List <[email protected]> on behalf of Steve Beaver <[email protected]> Sent: Wednesday, May 8, 2024 1:06 PM To: [email protected] Subject: Re: IEFBR14 -- DSCB set? [WAS: Consultation on the Potential Risks of Deleting Specific Datasets] BR14 is 2 instructions LA 15,0 BR 14 Sent from my iPhone No one said I could type with one thumb > On May 8, 2024, at 12:00, Seymour J Metz <[email protected]> wrote: > > Could you be thinking of the option to write an EOF when allocating a new PS? > > -- > Shmuel (Seymour J.) Metz > http://mason.gmu.edu/~smetz3 > עַם יִשְׂרָאֵל חַי > נֵ֣צַח יִשְׂרָאֵ֔ל לֹ֥א יְשַׁקֵּ֖ר > > ________________________________________ > From: IBM Mainframe Discussion List <[email protected]> on behalf of > Steve Thompson <[email protected]> > Sent: Wednesday, May 8, 2024 12:54 PM > To: [email protected] > Subject: IEFBR14 -- DSCB set? [WAS: Consultation on the Potential Risks of > Deleting Specific Datasets] > > I remember some releases ago of z/OS that the system will > effectively do an OPEN if a DSN is created using IEFBR14. But now > I can't seem to find where that is documented. So far I can't > find it in the z/OS 2.2 or 3.1 JCL User's guide. > > I think that if the allocation specified the DCB info (LRECL, > RECFM, and blksize) that this would be put into the VTOC when > IEFBR14 was used to do the allocation. > > So in a case like this, would the last ref date be "empty"? > > Steve Thompson > > ---------------------------------------------------------------------- > For IBM-MAIN subscribe / signoff / archive access instructions, > send email to [email protected] with the message: INFO IBM-MAIN > > > ---------------------------------------------------------------------- > For IBM-MAIN subscribe / signoff / archive access instructions, > send email to [email protected] with the message: INFO IBM-MAIN ---------------------------------------------------------------------- For IBM-MAIN subscribe / signoff / archive access instructions, send email to [email protected] with the message: INFO IBM-MAIN ---------------------------------------------------------------------- For IBM-MAIN subscribe / signoff / archive access instructions, send email to [email protected] with the message: INFO IBM-MAIN
