From owner-freebsd-questions@FreeBSD.ORG Thu May 3 13:42:07 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 B069916A400 for ; Thu, 3 May 2007 13:42:07 +0000 (UTC) (envelope-from jeffrey@goldmark.org) Received: from out1.smtp.messagingengine.com (out1.smtp.messagingengine.com [66.111.4.25]) by mx1.freebsd.org (Postfix) with ESMTP id 89B1113C45D for ; Thu, 3 May 2007 13:42:07 +0000 (UTC) (envelope-from jeffrey@goldmark.org) Received: from compute2.internal (compute2.internal [10.202.2.42]) by out1.messagingengine.com (Postfix) with ESMTP id 2A6E821D8DD; Thu, 3 May 2007 09:42:05 -0400 (EDT) Received: from heartbeat2.messagingengine.com ([10.202.2.161]) by compute2.internal (MEProxy); Thu, 03 May 2007 09:42:08 -0400 X-Sasl-enc: GUGf5uxRMa/iBXd3cjLZTTlo3f8BGkTYNEMex421/dXZ 1178199727 Received: from [10.1.10.136] (n114.ewd.goldmark.org [72.64.118.114]) by mail.messagingengine.com (Postfix) with ESMTP id 9E5B8F0A1; Thu, 3 May 2007 09:42:07 -0400 (EDT) In-Reply-To: <20070503014137.I3544@duane.dbq.yournetplus.com> References: <20070503014137.I3544@duane.dbq.yournetplus.com> Mime-Version: 1.0 (Apple Message framework v752.2) Content-Type: text/plain; charset=US-ASCII; delsp=yes; format=flowed Message-Id: <511300DD-22CA-464A-814B-C5398CB93483@goldmark.org> Content-Transfer-Encoding: 7bit From: Jeffrey Goldberg Date: Thu, 3 May 2007 08:42:04 -0500 To: Duane Hill X-Mailer: Apple Mail (2.752.2) Cc: freebsd-questions@freebsd.org 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: Thu, 03 May 2007 13:42:07 -0000 On May 2, 2007, at 8:45 PM, Duane Hill wrote: > > I have two servers that have to have their time synchronized > between the two to within one second. What is recommended? > > Currently, I have ntpd running on one and have the other > synchronizing it's time off the first. ntp is the right way to do things. You could set each server as an ntp peer of the other. That way. And, as others pointed out, you could have one of them use an external lower stratum (closer to reference servers) to sync properly with the rest of the world which is useful if you want your logs to match up properly with the rest of us. -j -- Jeffrey Goldberg http://www.goldmark.org/jeff/