Skip site navigation (1)Skip section navigation (2)
Date:      Fri, 21 Dec 2007 09:15:10 -0800
From:      John Webster <jwebster@es.net>
To:        Bill Moran <wmoran@potentialtech.com>
Cc:        questions@freebsd.org, "Michael W. Lucas" <mwlucas@blackhelicopters.org>, shinny knight <sh1nny_kn1ght@yahoo.com>
Subject:   Re: timekeeping on jail servers
Message-ID:  <7BEE288E7C218E96DB9E8AA0@jw-laptop.dhcp.lbnl.us>
In-Reply-To: <20071221112303.19619c39.wmoran@potentialtech.com>
References:  <20071218165521.GA37529@bewilderbeast.blackhelicopters.org>	<343753.78466.qm@web44811.mail.sp1.yahoo.com> <20071221112303.19619c39.wmoran@potentialtech.com>

next in thread | previous in thread | raw e-mail | index | archive | help


--On December 21, 2007 11:23:03 AM -0500 Bill Moran <wmoran@potentialtech.com> wrote:

> In response to shinny knight <sh1nny_kn1ght@yahoo.com>:
> 
> The reason that is not recommended is that it results in sudden steps
> of the clock.  Occasionally, these steps go backwards.  Software that
> is very sensitive to time changes (make processes, database servers,
> anything doing calculations WRT time) can break, crash, or work
> inaccurately.
> 


ntpdate -B should slew the time slowly.  (According to the manpage.)


Happy Holidays!



Want to link to this message? Use this URL: <https://mail-archive.FreeBSD.org/cgi/mid.cgi?7BEE288E7C218E96DB9E8AA0>