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04-04-2012 08:18 AM
04-04-2012 08:18 AM
HP-UX and Tru64 leap second handling
Does anyone have information on how HP-UX and Tru64 handle the leap seconds. There is going to be a leap second added 30 June 2012 and need to ensure our systems are compliant. Also, if anyone has a statement on how NTP utilizes the "-x" option to accommodate the leap second.
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04-04-2012 11:04 AM - edited 04-04-2012 12:14 PM
04-04-2012 11:04 AM - edited 04-04-2012 12:14 PM
Re: HP-UX leap second handling
There is no such things as leap seconds for HP-UX. They are provided for in the struct tm but they aren't used nor added.
If NTP handles it, there will be a lost one second jump on June 30.
>Basically it should be viewed just as if the clock was 1 second off in time.
Right.
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04-04-2012 11:24 AM
04-04-2012 11:24 AM
Re: HP-UX leap second handling
So, does NTP handle the leap second? Is there something in /etc/ntp.conf that deals with leap second when running on HP-UX?
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04-04-2012 11:42 AM
04-04-2012 11:42 AM
Re: HP-UX leap second handling
My thinking is that when the leap seconds are added to the master time servers, whatever they may be, then that change will filter down the line since all clocks will then be out of sync. Basically it should be viewed just as if the clock was 1 second off in time.
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04-04-2012 02:01 PM
04-04-2012 02:01 PM
Re: HP-UX leap second handling
If you want several discussions on leap seconds, go to Google and type in "ntp leap second" as your search terms.
There are several discussions I've found that center around NTP and its handling of the leap second.