((LRECL+40)*RECORD_COUNT)+overhead=needed region size. ((27000 + 40) = 27,040 * 75,000 = 2,028,000,000 + overhead.
On Mon, Jan 10, 2011 at 8:39 AM, Tom Marchant <m42tom-ibmm...@yahoo.com> wrote: > On Sun, 9 Jan 2011 20:54:20 -0500, Robert A. Rosenberg wrote: > >>At 9:17 AM -0500 on 01/09/2011, Bob Rutledge wrote about Re: can I >>dynamically increase tso size: >>> >>>- Allocate a dataset RECFM=VB, LRECL=27000 >>> >>>- Populate it with 75,000 5-byte records (one data byte) >>> >>>You'll end up with a seven-track dataset which is too big for the ISPF >>>editor. >> >>Why is it too big? I'd assume it was due to the 40byte per record >>overhead. I see it only coming in at 4MB of space (75000 * 45 bytes >>per record). > > Bob told you why it is too big. > Obviously you didn't test it. > > Your vote doesn't count, neither does Bob's or mine. > Only the computer's vote matters. It works the way it works. > > -- > Tom Marchant > > ---------------------------------------------------------------------- > For IBM-MAIN subscribe / signoff / archive access instructions, > send email to lists...@bama.ua.edu with the message: GET IBM-MAIN INFO > Search the archives at http://bama.ua.edu/archives/ibm-main.html > -- 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 lists...@bama.ua.edu with the message: GET IBM-MAIN INFO Search the archives at http://bama.ua.edu/archives/ibm-main.html
