From what I've been reading, the OSA express cards are going the way of the dinosaur and are being replaced by "network express" cards. These cards no longer use (op to) 16 addresses per card, just using 1 address. They're defined differently and one of the things going away is the TRLE definition in VTAM. OSCs, OSDs being replaced in HCD by OSH, VTAM definition disappearing, TCP/IP INTERFACE definition changing.
Rex -----Original Message----- From: IBM Mainframe Discussion List <[email protected]> On Behalf Of Jay Maynard Sent: Wednesday, July 29, 2026 10:23 AM To: [email protected] Subject: [EXTERNAL] OSA and OSAD devices (was Re: IBM Statement of Direction) On the list of devices that will be dropped is OSAD, the diagnostic interface to the OSA used by OSA/SF. We have, in our IOCDS, definitions for our OSAs that consist of 15 OSA devices and 1 OSAD device. I'm no expert on the OSA configuration stuff in current z/OS. I don't even know if we're running OSA/SF (or if it's one of those things that runs all the time). If IBM's dropping support for the OSAD, then how are they going to do the equivalent function? Do I even need to care now, at z/OS 3.2, aside from removing the definition at some point in the future? On Tue, Jul 28, 2026 at 2:09 PM Steve Beaver < [email protected]> wrote: > > https://urldefense.com/v3/__https://www.ibm.com/docs/en/announcements/ > statements-direction-zos-2026-07-28__;!!KjMRP1Ixj6eLE0Fj!u4CEUWDrm6Zxy > 8mA0aO9ujOLumfbsJTECIzyqW9Hb6XPntkzUgTfU6AKit3yKixDSkTvOt2A42682kgd-IS > c1n1C9nh4KS6kEbOT$ > -- Jay Maynard ---------------------------------------------------------------------- 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
