From owner-freebsd-questions@FreeBSD.ORG Tue May 13 06:10:59 2003 Return-Path: Delivered-To: freebsd-questions@freebsd.org Received: from mx1.FreeBSD.org (mx1.freebsd.org [216.136.204.125]) by hub.freebsd.org (Postfix) with ESMTP id 427BF37B401 for ; Tue, 13 May 2003 06:10:59 -0700 (PDT) Received: from mailout11.sul.t-online.com (mailout11.sul.t-online.com [194.25.134.85]) by mx1.FreeBSD.org (Postfix) with ESMTP id 5177743FA3 for ; Tue, 13 May 2003 06:10:58 -0700 (PDT) (envelope-from 520023893678-0001@t-online.de) Received: from fwd02.sul.t-online.de by mailout11.sul.t-online.com with smtp id 19FZYI-00066V-05; Tue, 13 May 2003 15:10:42 +0200 Received: from pD901725D.dip.t-dialin.net (520023893678-0001@[217.1.114.93]) by fwd02.sul.t-online.com with esmtp id 19FZYB-0azLt2C; Tue, 13 May 2003 15:10:35 +0200 Date: Tue, 13 May 2003 15:11:27 +0200 (CEST) From: 520023893678-0001@t-online.de (P. U. Kruppa) To: Matthew Seaman In-Reply-To: <20030513100250.GA52461@happy-idiot-talk.infracaninophile.co.uk> Message-ID: <20030513145658.O65541@small.pukruppa.de> References: <20030512190043.CA76737B408@hub.freebsd.org> <3676.66.190.246.64.1052802517.squirrel@www.reallynicehosting.com> <20030513100250.GA52461@happy-idiot-talk.infracaninophile.co.uk> MIME-Version: 1.0 Content-Type: TEXT/PLAIN; charset=US-ASCII X-Sender: 520023893678-0001@t-dialin.net cc: RN Hosting cc: freebsd-questions@freebsd.org Subject: Re: cvsup question Re: Re: Upgrade or Install new version offreebsd for Sendmail X-BeenThere: freebsd-questions@freebsd.org X-Mailman-Version: 2.1.1 Precedence: list Reply-To: "P.U.Kruppa" List-Id: User questions List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Tue, 13 May 2003 13:10:59 -0000 Hi! > You could manually shutdown as many of the processes running on the > system as possible, kick all the users off and do whatever else you > can to make the machine quiescent and then just run the 'make > installworld' and 'mergemaster' steps from multiuser mode and reboot. > Chances are you'll get away with that, especially if it's a relatively > small jump in version numbers. However, if things go wrong, then you > are up a gum tree. Your vital server has been left unbootable and you > haven't got any recourse other than to get physical access to the > machine and do a full disaster recovery re-install backups from > scratch type exercise. Actually I am using the cvs-up procedure on my private machine for about 3 years now and don't drop into single user mode and there never were any complications. But of course you are right to take the safe way on a production server. > > Now I upgraded from 4.7 release to 4.8 stable and everything seems to have > > been running fine for the past two weeks since I did so except on two > > seperate occasions the server has completely frozen and been unresponsive > > until my NOC did a forced reboot for me and everything came back to normal > > with no signs of the problem in any log files. I have seen this happening to our freebsd and linux machines sometimes. I suspect this is the result of instabilities in the electricity. Regards, Uli. +-----------------------------------+ | Peter Ulrich Kruppa | | - Wuppertal - | | Germany | +-----------------------------------+