On Mon, 21 Nov 2011 14:29:04 -0600, Staller, Allan wrote:

>You got it. The XCF couple dataset uses the stamp from the GMT clock.
>Instead of SET CLOCK= twice a year, you would issue SET TIMEZONE twice a
>year .
> 
Sigh.  They _can't_ seem to get it right.

>NOTE: The XCF couple dataset cannot handle the back time change. It
>"remembers" the last time it was used and will fail the IPL if the
>timestamps are not in ascending sequence. I would allocate a new set of
>XCF couple datasets and IPL with those (or wait 5 hours for the IPL).
>After IPL, you can dynamically migrate back to the original files if
>desired.
>
The OP, being in the Western Hemisphere, shouldn't need to wait 5 hours.



On Mon, 21 Nov 2011 15:49:09 -0500, Blaicher, Christopher Y. wrote:
>
>If the programmers coded ZONE with the right option, then there is no problem. 
> For those that are still sensitive, what you can do is stop processing those 
>applications just before the switch time and restart the processes right after 
>without doing the IPL.  In the Spring that means you need about a 10 minute 
>outage.  In the fall you have to stop them for about an hour and ten minutes 
>to let the clock catch back up.
>
>This is a programming short-coming and I have been of the opinion for 10 years 
>that they need to fix it and stop making operations jump through hoops every 
>Spring and Fall.  Just my personal 2 cents on this.
>
I fully agree.  But who's "they".  Every application provider, I suppose.

-- gil

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