System Administration
cancel
Showing results for 
Search instead for 
Did you mean: 

HP-UX and Tru64 leap second handling

 
tyoung44
Occasional Contributor

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.

4 REPLIES

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.

tyoung44
Occasional Contributor

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?

Patrick Wallek
Honored Contributor

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.

Patrick Wallek
Honored Contributor

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.

 

http://www.google.com/search?q=ntp+leap+second&ie=utf-8&oe=utf-8&aq=t&rls=org.mozilla:en-US:official&client=firefox-a