IBM Mainframe Discussion List <IBM-MAIN@BAMA.UA.EDU> wrote on 01/26/2006 08:26:10 PM:
> When Expanded Storage was introduced on the 390-200 the way VIO worked was > changed. VIO was written to ES and not the page datasets, which meant that > unless you had really saturated your ES and pushed the migration age down, > VIO rarely went any where near a real disk. In a real sense it became a RAM- > drive. A minor correction to the timeline... Expanded Storage was introduced in SP2.1.3 for the 3090-200. VIO was not written to ES at this time. VIO to ES was introduced a few years later as an SPE (OY08836). 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