On Mon, 2007-10-29 at 03:35 +0100, Marcin Gryszkalis wrote: > btw, while checking results of nightly DST change I re-sync-ed one of my > boxes > to ntp server with rdate and got > > Oct 28 10:32:48 sas dovecot: Time just moved backwards by 1099 seconds. This > might cause a lot of problems, so I'll just kill myself now. > > 1099 seconds is ~18 minutes > > How much is too much for dovecot?
More than 5 seconds and Dovecot kills itself. <=5 seconds and Dovecot logs a warning and sleeps until it's back in present. > Do you think using -a on rdate would not cause such effect? > > fyi rdate(8): > -a Use the adjtime(2) call to gradually skew the local time to the > remote time rather than just hopping. It wouldn't, but it would probably take quite a long time. Why don't you just run ntpd to keep the time correct all the time?
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