From owner-freebsd-questions@FreeBSD.ORG Tue Jun 3 07:36:34 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 8925637B409 for ; Tue, 3 Jun 2003 07:36:34 -0700 (PDT) Received: from out003.verizon.net (out003pub.verizon.net [206.46.170.103]) by mx1.FreeBSD.org (Postfix) with ESMTP id 4CAC343F93 for ; Tue, 3 Jun 2003 07:36:33 -0700 (PDT) (envelope-from cswiger@mac.com) Received: from mac.com ([129.44.60.214]) by out003.verizon.net (InterMail vM.5.01.05.33 201-253-122-126-133-20030313) with ESMTP id <20030603143632.EFEC4805.out003.verizon.net@mac.com> for ; Tue, 3 Jun 2003 09:36:32 -0500 Message-ID: <3EDCB272.1080506@mac.com> Date: Tue, 03 Jun 2003 10:36:34 -0400 From: Chuck Swiger Organization: The Courts of Chaos User-Agent: Mozilla/5.0 (Windows; U; Windows NT 5.1; en-US; rv:1.4b) Gecko/20030507 X-Accept-Language: en-us, en MIME-Version: 1.0 Cc: freebsd-questions@freebsd.org References: <20030603082709.B77677-100000@gwdu60.gwdg.de> In-Reply-To: <20030603082709.B77677-100000@gwdu60.gwdg.de> X-Enigmail-Version: 0.75.0.0 X-Enigmail-Supports: pgp-inline, pgp-mime Content-Type: text/plain; charset=us-ascii; format=flowed Content-Transfer-Encoding: 7bit X-Authentication-Info: Submitted using SMTP AUTH at out003.verizon.net from [129.44.60.214] at Tue, 3 Jun 2003 09:36:32 -0500 Subject: Re: Upgrading a live server with rdist X-BeenThere: freebsd-questions@freebsd.org X-Mailman-Version: 2.1.1 Precedence: list List-Id: User questions List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Tue, 03 Jun 2003 14:36:34 -0000 Konrad Heuer wrote: [ ... ] > As far as I see there is little chance to do this without carefully > restarting all processes, e.g. by shutting down into single user mode and > returning to multi user mode. It is advisable to switch into single-user mode when updating the system files, agreed. > If you replace program files and shared libraries used by currently > running processes, this will cause the corresponding processes to be > aborted abnormally in case of page fault requiring a page-in from the > program files or shared libraries. Generally not; the system doesn't delete files that are in use even if you overwrite those files: it hangs on to the inode and won't free the space until nobody needs that file. -- -Chuck