On Fri, 13 Jan 2017 14:11:28 -0600, Tom Marchant wrote: >On Fri, 13 Jan 2017 13:42:55 -0600, Mike Schwab wrote: > >>1 more than 1/3 track blocking? Could try 1 more than 1/4, 1/5, 1/6, >>..., track blocking. > >1 more than 1/2 of half track blocking. 14000. Results in BLKSIZE=14000. >Results in 3 records (3 blocks) per track. >LRECL=13999 results in BLKSIZE=27998 > >>A small lrecl would get you the highest multiple >>under 1/2 track. Smallest utilization might be 1 more than 1/2 track >>blocking. >> >>On Fri, Jan 13, 2017 at 11:40 AM, Paul Gilmartin >><[email protected]> wrote: >>> Assuming 3390 track geometry. >>> >>> If a programmer codes RECFM=FB,BLKSIZE=0,LRECL=? >>> >>> For what value of LRECL does SDB select the smallest BLKSIZE? > >Why is this interesting? > Because it's Friday?
Because it's surprising? Because all the guesses so far have been wrong? -- gil ---------------------------------------------------------------------- For IBM-MAIN subscribe / signoff / archive access instructions, send email to [email protected] with the message: INFO IBM-MAIN
