On Wed, Oct 26, 2005 at 03:31:03PM -0500, McKown, John wrote:
> Has anybody on the "other" side tried to use this as an argument that
> z/OS is so poorly designed that it cannot stand changing the clock
> without an outage? Around here, any glitch, however minor, is taken up
> by the Windows zealots as yet another reason that we should totally
> eliminate the zSeries. And they are winning the war.

Been there, back in the 1980s at USC.  The anti-mainframe zealots 
(TOPS-20, VMS, and unix in those days) made that argument.  So I
wrote TZALT which is available here:
   http://ldworen.net/mvs/free-ldw.html
I believe there are still some shops using it.

On Wed, Oct 26, 2005 at 04:53:20PM -0500, Rob Wunderlich wrote:
> I have had the Windows crowd give me funny looks when I tell them I have to
> POR my box to change the GMT clock.

Is that anything like having to reboot for a McAfee VirusScan update,
or having to reboot for the most trivial of other software installs
on Winblows?  Why in the #$*& do I have to reboot for a new version of
Eudora?  (Don't answer that -- I've moved from Eudora to Thunderbird.)

> Damm thing drifts a few seconds a month
> and there are financial reasons why it can't be more than 10 seconds off
> from popcorn (For those of you outside the US, popcorn is the telephone
> number you dial to get the "official time").

Telephone?  I set my watch from my PC clock and my PC clocks are never
more than a small fraction of a second off of the atomic clock,
courtesy of ntp which is standard on *ix systems like linux and easily
supported on Windoze via a program that NIST distributes for free.
(The built-in Winblows client just plain doesn't work reliably.
What a surprise.)



So the question is why can't the z boxes use ntp to stay accurate?



/Leonard

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