From owner-freebsd-stable@FreeBSD.ORG Tue Apr 11 11:15:50 2006 Return-Path: X-Original-To: freebsd-stable@freebsd.org Delivered-To: freebsd-stable@freebsd.org Received: from mx1.FreeBSD.org (mx1.freebsd.org [216.136.204.125]) by hub.freebsd.org (Postfix) with ESMTP id 5CFFB16A401 for ; Tue, 11 Apr 2006 11:15:50 +0000 (UTC) (envelope-from michael.schuh@gmail.com) Received: from xproxy.gmail.com (xproxy.gmail.com [66.249.82.201]) by mx1.FreeBSD.org (Postfix) with ESMTP id 9F0D543D48 for ; Tue, 11 Apr 2006 11:15:49 +0000 (GMT) (envelope-from michael.schuh@gmail.com) Received: by xproxy.gmail.com with SMTP id s9so813164wxc for ; Tue, 11 Apr 2006 04:15:49 -0700 (PDT) DomainKey-Signature: a=rsa-sha1; q=dns; c=nofws; s=beta; d=gmail.com; h=received:message-id:date:from:to:subject:cc:in-reply-to:mime-version:content-type:content-transfer-encoding:content-disposition:references; b=Sybib7Ma0SmnbFfIK+ClYlXR02fN8q9vMajjkUHLc0zxjn4SiEqSfFP5xWMiXBiG1ArsC3E6d5ofPbTqB3pwstM7VxGRr8405PdmdEu4l2WR8z5W/Tl7vr7dc/S6ZKPB22PkfkyGWxYGvTpkeapmGudi/zjf79gjpQ9yYVKmSmc= Received: by 10.70.103.16 with SMTP id a16mr176309wxc; Tue, 11 Apr 2006 04:15:49 -0700 (PDT) Received: by 10.70.112.16 with HTTP; Tue, 11 Apr 2006 04:15:48 -0700 (PDT) Message-ID: <1dbad3150604110415h2941769ahcd014548f8ed8b77@mail.gmail.com> Date: Tue, 11 Apr 2006 13:15:48 +0200 From: "Michael Schuh" To: "Peter Jeremy" In-Reply-To: <20060410185035.GC739@turion.vk2pj.dyndns.org> MIME-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: quoted-printable Content-Disposition: inline References: <1dbad3150604070754m6702e6acw2175c306504f3c13@mail.gmail.com> <4436A2B4.4010608@mac.com> <1dbad3150604100511v6a0d27a9kb38920ee280dab2c@mail.gmail.com> <20060410185035.GC739@turion.vk2pj.dyndns.org> Cc: freebsd-stable@freebsd.org Subject: Re: Needs suggestion for redundant Storage X-BeenThere: freebsd-stable@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: Production branch of FreeBSD source code List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Tue, 11 Apr 2006 11:15:50 -0000 > You probably can't replace defective hardware so fast that the users > don't notice. They will probably also notice when a system crash > garbles the filesystem. that was the reason why i would make a mirrored system with CARP and ggated....... > > Based on your comments of low cost and massive size, I presume you > can't afford a proper backup solution either. This is a recipe for > disaster if the data is valuable. yes, i can't backup this amount of data at this moment, but this was not the focus...yet > > >> Do not get a Silicon Image SATA controller. > >Why not? > > Read the mailing lists - they are full of problems with them. If > you value your data you will not use Sil controller. > yes, this do i also know, but if i have a lot of them, and 2 falls out, so what happens if i had another box with my data? i know my job moves mor to disaster recovery than to administer........ but we can't get all the things that we wish..... > >> At the very least, get a multiport SATA RAID controller with a decent-= sized > >> RAM cache of its own and an internal battery to keep the drives going = until > >> that cache can be flushed. As well as an external UPS, right...? > >> > >I can also agree with you.......but the management......get not my frien= ds > >with this....... :-)) > > They will be even less your friends when your cheap-n-nasty solution > loses some valuable files. Oh that was fist not my idea, the management has questioned these features, in have said "OMG you aore not serious", but is it...... :-(( so that is better for me and my job to make what management wishes, later i can say.....i have you warned...... but thanks for these suggestions, that gives me more arguments for my suggested solutions......NAS/SAN...... regards michael