On Thu, May 17, 2018 at 9:42 AM, Tim Hare <haresystemssupp...@comcast.net> wrote:
> This is, actually, a request for records - I was using the 1-byte average > record size because I thought the original poster wanted to allocate in > megabytes. If you want to request records and you know the LRECL or the > average LRECL, use AVGREC=U/K/M, and SPACE=(avgLRECL,(pri,sec)) where > 'pri' and 'sec' are in records (AVGREC=U), thousands of records (AVGREC=K), > or millions of records (AVGREC=M). > > My only problem with this was convincing application programmers to use > it. I used it all the time, but still found application programmers trying > to calculate efficient block sizes (they did, eventually, see the BLKSIZE=0 > light) and use various 'space calculators' to come up with a number of > cylinders. I proposed, but never got to do, a 'what you don't know about > zOS' class to touch on some of these things. > > I remember a few years ago, when I was going over this facility with some programmers, one of them said something along the lines of "I don't know how many records I need. I just know that I need 100 cylinders." -- We all have skeletons in our closet. Mine are so old, they have osteoporosis. Maranatha! <>< John McKown ---------------------------------------------------------------------- For IBM-MAIN subscribe / signoff / archive access instructions, send email to lists...@listserv.ua.edu with the message: INFO IBM-MAIN
