IMS non-vsam databases use OSAM, an IMS-specific access method, but the underlying data sets are just DSORG=PS. They can be copied with REPRO. As can IMS VSAM databases. (But don't do it while the database is open for update!)
IMS does not come with any utility to copy databases. However: copying the database data sets with REPRO, DFSMSdss, or any other method doesn't mean you can /use/ the copied database. There are other factors at play, such as DBRC registration and dynamic allocation. -----Original Message----- From: IBM Mainframe Discussion List <[email protected]> On Behalf Of Jon Perryman Sent: Tuesday, December 23, 2025 1:30 PM To: [email protected] Subject: Re: Multi volume dataset copy On Tue, 23 Dec 2025 08:19:18 +0400, Peter <[email protected]> wrote: >So allocating via ISPF 3.2 and using that IDCAMS repro is not correct ? For IMS non-vsam databases, does IDCAMS REPRO work correctly? I only mention this because why is there a utility to copy them? I suspect getting 100,000 IMS transaction requires a database organization with pointers of some sort. Maybe someone familiar with IMS knows. Ask your IMS sysprog. I'm not sure why someone recommended ALTER ADDVOLUMES instead of ISPF 3.2 since you were able to get it working. ---------------------------------------------------------------------- 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
