IBM Mainframe Discussion List <[email protected]> wrote on 02/08/2006 02:56:15 PM:
> > > > Anybody have any idea why IBM decided to remove ASM's technique of > > suspending channel programs in APAR OA14248? The APAR is titled "NEW > > FUNCTION". Is suspending channel programs now considered a false savings? > According to my sources, OA14248 is, in part, to solve the problem > described in OA09675. This APAR was a problem when an ASM suspended I/O > was on a PAV alias, and the alias is removed from the base, the > suspended I/O might be left in limbo. Because of OA14248 no PTF is > planned for OA09675. > > I suspect that they discovered that on modern systems, the time savings > from the suspended I/O was not sufficient to justify it and the > associated issues like OA09675. Exactly correct. Jim Mulder z/OS System Test IBM Corp. Poughkeepsie, NY ---------------------------------------------------------------------- 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
