Hi Folks,
I enjoy when someone makes a post, a second person makes a remark
about the post - related or unrelated to the original intent - and the
people go to town, commenting about the remark, and saying not one word
about the original subject. It's a lot of fun to read all this, and we
certainly learn a lot from everything that is written. But sometimes
it's also valuable to get back to the original point.
So (regarding my post), even though it's nice to ask the operating
system to AUTOMATICALLY adjust the time zones, my point was, that since
operators operate z/OS anyway, you can enter one command (S SETHOUR or S
SETFALL or S SETSPRING) and do everything in one fell swoop, including
the change to the CLOCKxx PARMLIB member. That's the nice thing about
CBT File 639 (www.cbttape.org). Some installations might find doing
that, useful, instead of having to IPL and make a big deal out of every
clock change.
I admit that when you move the clock forward, it might be easier,
because you don't get overlapping SMF records for the same times, than
when you move the clock backward. There may be other consequences that
I don't know about. I'd like to hear a discussion of these types of
implications and consequences. In a shop where I previously worked,
they would shut down the machine for an hour when they moved the clock
backward an hour. But they weren't a bank, and they didn't have to be
up 24/7.
Anyway, I'd appreciate hearing about the consequences for XCF and
anything else internally in z/OS that might be relevant to a time
change, especially when moving the time back. On a busy z/OS system
that is up the better part of 24/7, what are the CONSEQUENCES of a time
change, especially BACKWARD, as in the fall?
Thanks again for any and all comments (directly relevant or not). I
do appreciate what EVERYONE says. Keep up the good work!
All the best of everything to all of you.....
Sincerely, Sam
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