Multiply record size by number of records to calculate size. Divide by 50,000 for number of tracks, or divide by 800,000 for a firm estimate to 500,000 for a rough estimate for number of cylinders. If you won't need additional space, code RLSE to release unused cylinders / tracks.
On Wed, Nov 23, 2022 at 12:31 PM Paul Gorlinsky <[email protected]> wrote: > > Needless to say... it really depends on the question that is being asked. > > How do I calculate the amount of space a ____ dataset needs? > > Don't use IBM's 56664 track space number for anything but a sales thing? > > The 3390 DASD under normal use, do not have 56664 bytes per track available. > > ---------------------------------------------------------------------- > For IBM-MAIN subscribe / signoff / archive access instructions, > send email to [email protected] with the message: INFO IBM-MAIN -- Mike A Schwab, Springfield IL USA Where do Forest Rangers go to get away from it all? ---------------------------------------------------------------------- For IBM-MAIN subscribe / signoff / archive access instructions, send email to [email protected] with the message: INFO IBM-MAIN
