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? -- Tom Marchant ---------------------------------------------------------------------- For IBM-MAIN subscribe / signoff / archive access instructions, send email to [email protected] with the message: INFO IBM-MAIN
