Thanks for your response. IDCAMS does an open and close on the new file and writes zero records, so if RLSE is coded with the SPACE for output file(s) then the unused trks or cyls Are released. Secondary space will be used if needed when data is created in the file later.
-----Original Message----- From: IBM Mainframe Discussion List <[email protected]> On Behalf Of David Spiegel Sent: Wednesday, May 11, 2022 11:07 AM To: [email protected] Subject: Re: Potential Resource Savings Techniques HI David, I do not understand this at all. How does any program differ from IEFBR14 (with respect to allocation/freeing unused disk space by DD Statement)? Maybe your shop has an Exit or add-on product which does Storage Management? David On 2022-05-11 01:53, <David> <Mingee> wrote: > 5. Consider changing IEFBR14 for allocating new files to IDCAMS with > SYSIN DD DUMMY. This will release unused disk space. ---------------------------------------------------------------------- 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
