From owner-freebsd-questions@FreeBSD.ORG Mon Jun 20 13:24:14 2005 Return-Path: X-Original-To: freebsd-questions@freebsd.org 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 AC7BE16A41C for ; Mon, 20 Jun 2005 13:24:14 +0000 (GMT) (envelope-from root@pukruppa.de) Received: from moutng.kundenserver.de (moutng.kundenserver.de [212.227.126.183]) by mx1.FreeBSD.org (Postfix) with ESMTP id 4105E43D49 for ; Mon, 20 Jun 2005 13:24:14 +0000 (GMT) (envelope-from root@pukruppa.de) Received: from reverse-213-146-114-24.cust.kamp-dsl.de [213.146.114.24] (helo=reverse-213-146-114-24.cust.kamp-dsl.de) by mrelayeu.kundenserver.de with ESMTP (Nemesis), id 0ML2Dk-1DkMFz36JF-0000Hh; Mon, 20 Jun 2005 15:24:07 +0200 Date: Mon, 20 Jun 2005 15:27:48 +0200 (CEST) From: "P.U.Kruppa" X-X-Sender: root@www.pukruppa.net To: Ted Mittelstaedt In-Reply-To: Message-ID: <20050620151328.M11229@www.pukruppa.net> References: MIME-Version: 1.0 Content-Type: TEXT/PLAIN; charset=US-ASCII; format=flowed X-Provags-ID: kundenserver.de abuse@kundenserver.de login:2446dbdf8275641f979193ced594c629 Cc: "P.U.Kruppa" , freebsd-questions@freebsd.org Subject: RE: Yet another RAID Question (YARQ) 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: Mon, 20 Jun 2005 13:24:14 -0000 On Mon, 20 Jun 2005, Ted Mittelstaedt wrote: >> On Sun, 19 Jun 2005, Ted Mittelstaedt wrote: >> >>> >>> What model of Proliant? >> ML 350 G4 >> > > Oh good, we have a customer that has been looking at one of these > for FreeBSD and I'm glad to hear that you didn't have problems with it. Absolutely smooth - and I am really no kind of computer expert. > With these all you get is hot-swap support although you might have > to do a camcontrol rescan after swapping the disk. Yes, I have read that in some recent thread. > Actually, the Windows management tools for this raid controller on a > server are observational as well. There is no rebuild tool or anything > like that. > When we set these systems up > for customers (All the recent Proliants use the same RAID controller) > we usually configure them RAID-5 with 4 physical disks, the setup will > set 3 of the disks in the array, and one a hot-spare. And in the event > of a disk failure, which you can tell by looking at the disk drive > lights, > or going into the management interface, you simply pull out the bad disk > and put in the replacement and the RAID card takes care of the rest of > it. The City of Wuppertal couldn't buy me a third disc, because that would have superceded the limit of 2.5 kEURO, which would have required some special administrative act ... :-) . > As for knowing if a disk has failed, > I think the only way to know is to watch the little lights on the disk > front. After reading Alex' story about running a RAID 1 with a defect disc for three years, I believe it will suffice, when I check things with every system upgrade. Uli. ********************************************* * Peter Ulrich Kruppa - Wuppertal - Germany * *********************************************