On Thu, 12 Jul 2007 17:45:49 +0200, R.S. wrote: >Rick Fochtman wrote: >> You're right, but the downside is this: there are literally millions of >> lines of JCL still in regular use that allocate space in terms of tracks >> and cylinders. To change the length of a track would invoke nightmares >> of geometry changes, which we all suffered through in pre-3390 days >> whenever a newer DASD design hit the street. IT managers that remember >> those days still cringe at the thought! Until all allocations are done >> in terms of bytes, or multiples thereof, a geometry change will put >> people into cold sweats. Old habits are hard to break; old nightmares >> are hard to forget. > >I disagree. Completely. Mainframe users had to do with different >track sizes, some dataceneters still have 3380 emulation.
It sounds like you are disagreeing with yourself here. Why do you think some data centers still use 3380 emulation? -- Tom Marchant ---------------------------------------------------------------------- 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
