From owner-freebsd-questions@FreeBSD.ORG Fri May 4 16:11:00 2007 Return-Path: X-Original-To: freebsd-questions@freebsd.org Delivered-To: freebsd-questions@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [69.147.83.52]) by hub.freebsd.org (Postfix) with ESMTP id 188DE16A400 for ; Fri, 4 May 2007 16:11:00 +0000 (UTC) (envelope-from fbsd06@mlists.homeunix.com) Received: from mxout-03.mxes.net (mxout-03.mxes.net [216.86.168.178]) by mx1.freebsd.org (Postfix) with ESMTP id E58F313C458 for ; Fri, 4 May 2007 16:10:59 +0000 (UTC) (envelope-from fbsd06@mlists.homeunix.com) Received: from gumby.homeunix.com. (unknown [87.81.140.128]) (using TLSv1 with cipher DHE-RSA-AES256-SHA (256/256 bits)) (No client certificate requested) by smtp.mxes.net (Postfix) with ESMTP id 4D5615197C for ; Fri, 4 May 2007 12:10:58 -0400 (EDT) Date: Fri, 4 May 2007 17:10:53 +0100 From: RW To: freebsd-questions@freebsd.org Message-ID: <20070504171053.41eddb6a@gumby.homeunix.com.> In-Reply-To: <4639FAB6.9050701@mac.com> References: <20070503014137.I3544@duane.dbq.yournetplus.com> <20070503015723.S3544@duane.dbq.yournetplus.com> <4639FAB6.9050701@mac.com> X-Mailer: Claws Mail 2.9.1 (GTK+ 2.10.11; i386-portbld-freebsd6.2) Mime-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit Subject: Re: Time Synchronizing Between Two Servers X-BeenThere: freebsd-questions@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: User questions List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Fri, 04 May 2007 16:11:00 -0000 On Thu, 03 May 2007 11:07:34 -0400 Chuck Swiger wrote: > Sun SPARC machines have good HW clocks, and also some of the newer > Macs also seem to have consistently low values in ntp.drift and > handle timekeeping well. > Does that matter? The RTC time is almost immediately overridden by ntpdate. The drift is a systematic error that ntpd allows for. I would have thought that the only significant issue, is whether the system loses timer interrupts under load.