From owner-freebsd-hackers Wed Sep 20 13:48:13 2000 Delivered-To: freebsd-hackers@freebsd.org Received: from fw.wintelcom.net (ns1.wintelcom.net [209.1.153.20]) by hub.freebsd.org (Postfix) with ESMTP id 3DDE837B423; Wed, 20 Sep 2000 13:48:10 -0700 (PDT) Received: (from bright@localhost) by fw.wintelcom.net (8.10.0/8.10.0) id e8KKm6j15245; Wed, 20 Sep 2000 13:48:06 -0700 (PDT) Date: Wed, 20 Sep 2000 13:48:06 -0700 From: Alfred Perlstein To: Bernd Walter Cc: Edward Elhauge , freebsd-hackers@FreeBSD.ORG, freebsd-isp@FreeBSD.ORG Subject: Re: Frustration with SCSI system Message-ID: <20000920134806.L9141@fw.wintelcom.net> References: <20000920125128.F9141@fw.wintelcom.net> <200009202024.NAA45822@ns2.uncanny.net> <20000920224341.A74548@cicely5.cicely.de> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline User-Agent: Mutt/1.2.4i In-Reply-To: <20000920224341.A74548@cicely5.cicely.de>; from ticso@cicely5.cicely.de on Wed, Sep 20, 2000 at 10:43:42PM +0200 Sender: owner-freebsd-hackers@FreeBSD.ORG Precedence: bulk X-Loop: FreeBSD.ORG * Bernd Walter [000920 13:43] wrote: > On Wed, Sep 20, 2000 at 01:24:34PM -0700, Edward Elhauge wrote: > > OK, vinum is good. But my understanding is that you can't use vinum on > > your root partition. By Murphy's Law it always seems to be root that gets > > screwed up. And that also causes the biggest problems because then you > > have to yank the system apart and find another host disk for booting. > > The root Filesytems doesn't really change. > In general if you don't edit something in /etc or add accounts you can > even be happy with a readonly /. > I can't see any needs for mirrors beside that the host should keep running > in case of a disk failure. A simple backup of the small /etc is sufficient. There's a "Zen of backup" somewhere that explains why you want to backup system files. Basically: hotswap spare read-only / and /usr == near 0 downtime, reinstall the OS == 20-120 minutes of downtime. -Alfred To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-hackers" in the body of the message