On Tue, 30 Oct 2007 18:05:02 +0000, Ted MacNEIL wrote:

>>At its glacial pace, IBM is accommodating twentieth century technology.
>
>Can you do something other than complain?
>
Didn't I say it was improving?

>IBM is trying the 'revolution in an evolutionary manner'.
>
And in the text you snipped, I pointed out to John M. that
the newest facilities are significantly better; even very
close to what John experssed a wish for.

>I, for one, would not want to have to re-compile everything whenever a new 
>version/release comes along!
>
And I, for one, don't want even to change JCL whenever a new
storage device comes along.  SDB is a step in the right
direction.  But it's resisted by the stickshift mentality:
the driver who can choose his shift points better than any
automatic transmission and the programmer who can choose a
block size more optimal than any automated system.  Phil
Payne and Darren Gavin likely are (or at least consider
themselves) respective examples.  I can't do either, or at
least my time isn't worth it.  Automatic transmissions and
SDB remove distractions and let the driver and the programmer
concentrate on the genuine task.

But SDB came too late: if it had been present in rudimentary
form, supplying a valid but nonoptimal BLKSIZE, in OS/360
release 1, coding BLKSIZE could always have been optional,
and much of the rough transition to present techniques could
have been avoided.

-- gil

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