Daylight Savings Time change problem

We manually modified the Time Zone information on our TRU64 5.1A ES40 
servers as per the instructions previously posted.  On our test server, 
everything is working perfectly, but on our production server there is a 
problem.  The date command shows the correct (updated) time, but the last 
login time is off by one hour, and any cron jobs scheduled to run at a 
particular time are running an hour late.  The only thing I have been able 
to find is that the zdump command does not display the current date / time.  
This line is present on our test server.



Production



$ zdump -v :America/Montreal | grep '200[67]'

:America/Montreal  Sun Apr  2 06:59:59 2006 GMT = Sun Apr  2 01:59:59 2006 
EST isdst=0 gmtoff=-18000

:America/Montreal  Sun Apr  2 07:00:00 2006 GMT = Sun Apr  2 03:00:00 2006 
EDT isdst=1 gmtoff=-14400

:America/Montreal  Sun Oct 29 05:59:59 2006 GMT = Sun Oct 29 01:59:59 2006 
EDT isdst=1 gmtoff=-14400

:America/Montreal  Sun Oct 29 06:00:00 2006 GMT = Sun Oct 29 01:00:00 2006 
EST isdst=0 gmtoff=-18000

:America/Montreal  Sun Mar 11 06:59:59 2007 GMT = Sun Mar 11 01:59:59 2007 
EST isdst=0 gmtoff=-18000

:America/Montreal  Sun Mar 11 07:00:00 2007 GMT = Sun Mar 11 03:00:00 2007 
EDT isdst=1 gmtoff=-14400

:America/Montreal  Sun Nov  4 05:59:59 2007 GMT = Sun Nov  4 01:59:59 2007 
EDT isdst=1 gmtoff=-14400

:America/Montreal  Sun Nov  4 06:00:00 2007 GMT = Sun Nov  4 01:00:00 2007 
EST isdst=0 gmtoff=-18000



Test



$ zdump -v :America/Montreal | grep '200[67]'

:America/Montreal  Wed Mar 21 10:45:10 2007 EDT

:America/Montreal  Sun Apr  2 06:59:59 2006 GMT = Sun Apr  2 01:59:59 2006 
EST isdst=0 gmtoff=-18000

:America/Montreal  Sun Apr  2 07:00:00 2006 GMT = Sun Apr  2 03:00:00 2006 
EDT isdst=1 gmtoff=-14400

:America/Montreal  Sun Oct 29 05:59:59 2006 GMT = Sun Oct 29 01:59:59 2006 
EDT isdst=1 gmtoff=-14400

:America/Montreal  Sun Oct 29 06:00:00 2006 GMT = Sun Oct 29 01:00:00 2006 
EST isdst=0 gmtoff=-18000

:America/Montreal  Sun Mar 11 06:59:59 2007 GMT = Sun Mar 11 01:59:59 2007 
EST isdst=0 gmtoff=-18000

:America/Montreal  Sun Mar 11 07:00:00 2007 GMT = Sun Mar 11 03:00:00 2007 
EDT isdst=1 gmtoff=-14400

:America/Montreal  Sun Nov  4 05:59:59 2007 GMT = Sun Nov  4 01:59:59 2007 
EDT isdst=1 gmtoff=-14400

:America/Montreal  Sun Nov  4 06:00:00 2007 GMT = Sun Nov  4 01:00:00 2007 
EST isdst=0 gmtoff=-18000



Does anyone have any idea what the problem might be?



Mike Touw

Systems Administrator

Tembec Industries Inc.

(819) 627-4270

[email protected]

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