True.
Yet... why is space still such a big deal on mainframes? I have
almost as much disk space connected to my primary PC as 10,000 3390-9
would hold.
Seeing a 3390 with 150,000 free cylinders does take some getting used to.
It's time to use this brainpower for better things than optimizing the
arrangement of angels on a pinhead. Just throw more hardware at it
and move on. A 4 TB disk is the equivalent of almost 5,000,000 3390
cylinders, or 500 3390-9s. How much DASD can you add in the disk
array for the price (salary) of one additional storage management person?
/Leonard
Seymour J Metz wrote on 11/23/2022 3:20 PM:
With essentially all z DASD being cached these days, a lot of the efficiency
issues no longer apply, leaving space as more dominant.
--
Shmuel (Seymour J.) Metz
http://mason.gmu.edu/~smetz3
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