In a recent note, Barry Schwarz said: > Date: Wed, 15 Feb 2006 12:15:39 -0800 > > If you really want to maximize the FB blocksize (in the hopes of improving > perfor > mance without regard to impact on size), then specify the blocksize in the > JCL DD > statement or DCB macro with a value computed as (32767/LRECL)*LRECL using > intege > r arithmetic. > Won't that give BLKSIZE=28000, resulting in only one block/track. Is it fair to assume that SSCH is expensive and seek is cheap?
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