Really nice try Mike - I appreciate it. I feel pretty annoyed with myself
right now. -Paul

 

From: The IBM z/VM Operating System [mailto:[EMAIL PROTECTED] On
Behalf Of Mike Walter
Sent: Wednesday, March 14, 2007 5:09 PM
To: [email protected]
Subject: Re: Date Time Changes...

 


Actually, after our Operator's took us past Y2K, and back to 1900, too - I
placed a "TODALLOW" package on the IBM VM Download page: 
http://www.vm.ibm.com/download/packages/ 

No problems since! 

---<snip>--- 
The TODALLOW EXEC is intended to be called from the PROFILE EXEC of
AUTOLOG1. It is used to prevent AUTOLOG1 from continuing with standard
AUTOLOG commands and other procedures if the current date and time are
outside defined limits. 

TODALLOW compares the current date/time to the date/time of the most recent
file on a specified, accessed CMS minidisk (e.g an OPERATOR system console
log file - select one that is frequently updated). If the current date/time
are different by more than a specified time range (e.g. 02:00 hours) from
that file, a message is issued to a specified userid (typically OPERATOR)
and an reply is required from that user before the new date/time is accepted
and standard procedures continue. This gives the Operator a chance to
shutdown and change the TOD clock before application damage (tapes
scratched, files deleted, etc.) can occur. 

The only pre-requisites are CMS Pipelines, and the IBM-distributed RXTOD
MODULE (on MAINT's 193 disk). 

Updated 2000-10-13 to accept 'WNG' from OPERATOR, and reduce the time window
between setting MSG/WNG/SMSG IUCV and waiting for a response, and better
handle manual interrupts. 
---<snip>--- 

Mike Walter                                                         
Hewitt Associates                                                   
Any opinions expressed herein are mine alone and do not necessarily
represent the opinions or policies of Hewitt Associates.





"Kris Buelens" <[EMAIL PROTECTED]> 

Sent by: "The IBM z/VM Operating System" <[email protected]> 

03/14/2007 04:10 PM 


Please respond to
"The IBM z/VM Operating System" <[email protected]>


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Subject

Re: Date Time Changes...

 

                




"I just updated the TOD at IPL time to be current with CDT"

If you set a correct timezone, you don't set date&time do you?  Unless to
adjust the time drift of the z9 clock.

I did write some code to be included in AUTOLOG1 that will ask the operator
to send an OK if the date differs more than 3 days with the last known date
(which is saved daily by VMUTIL) 

-- 
Kris Buelens,
IBM Belgium, VM customer support 

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