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Using robocopy across timezones

Posted on 2006-11-08
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Last Modified: 2012-05-05
I need to have a small directory mirrored across two physical servers in two different time zones.  I was going to use robocop but I relaized that if a file gets modified on the server located on the west coast at 9pm est and then the file gets modified or deleted 1 hr later but on the server located on the west coast (pst).  The robocopy mirror will only apply changes that occured the east coast server and not the west coast server because of the time zone difference.  Is there a way to account for the timezone change or another utility i can use?
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Question by:blee5
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CharliePete00 earned 500 total points
ID: 17900382
Actually robocopy should work just fine as long as the system that will be running the job doesn't change time zones.  The OS really only uses UTC (aka GMT or Greenwich Mean Time).  The OS adjusts time for the local time zone and daylight savings time offsets before it displays it for you and adjusts back time information you provide before it is used.  As far as the OS is concerned 8 PM PST in Los Angeles and 5 PM EST in New York are both 12 PM UTC.  
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by:blee5
ID: 17900400
Okay greate.  If Im running a mirror,  from the new york server it should pick up files changes that occured on the LA server?
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by:CharliePete00
ID: 17900529
Yes...

...and if a file is changed at 5 PM in NY (10 PM UTC) and 3 PM in LA (11 PM UTC) the LA file is the last one changed
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by:CharliePete00
ID: 17900544
...but as always test it to before you put it into production
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