From owner-freebsd-stable Wed Jan 3 15:19:48 2001 From owner-freebsd-stable@FreeBSD.ORG Wed Jan 3 15:19:43 2001 Return-Path: Delivered-To: freebsd-stable@freebsd.org Received: from wantadilla.lemis.com (wantadilla.lemis.com [192.109.197.80]) by hub.freebsd.org (Postfix) with ESMTP id E963B37B400 for ; Wed, 3 Jan 2001 15:19:41 -0800 (PST) Received: by wantadilla.lemis.com (Postfix, from userid 1004) id F261A6A90D; Thu, 4 Jan 2001 09:49:38 +1030 (CST) Date: Thu, 4 Jan 2001 09:49:38 +1030 From: Greg Lehey To: Vallo Kallaste Cc: Josef Karthauser , Thomas Seck , freebsd-stable@FreeBSD.ORG Subject: Re: Vinum safe to use for raid 0? Message-ID: <20010104094938.B4336@wantadilla.lemis.com> References: <20010102230107.A559@basildon.homerun> <20010103102943.A770@tao.org.uk> <20010103214829.X4336@wantadilla.lemis.com> <20010103172844.D13221@myhakas.matti.ee> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline User-Agent: Mutt/1.2.5i In-Reply-To: <20010103172844.D13221@myhakas.matti.ee>; from vallo@matti.ee on Wed, Jan 03, 2001 at 05:28:44PM +0200 Organization: LEMIS, PO Box 460, Echunga SA 5153, Australia Phone: +61-8-8388-8286 Fax: +61-8-8388-8725 Mobile: +61-418-838-708 WWW-Home-Page: http://www.lemis.com/~grog X-PGP-Fingerprint: 6B 7B C3 8C 61 CD 54 AF 13 24 52 F8 6D A4 95 EF Sender: owner-freebsd-stable@FreeBSD.ORG Precedence: bulk X-Loop: FreeBSD.ORG On Wednesday, 3 January 2001 at 17:28:44 +0200, Vallo Kallaste wrote: > On Wed, Jan 03, 2001 at 09:48:29PM +1030, Greg Lehey wrote: > >>> As far as I understand from Greg he's not aware of many people who >>> are having problems with raid 5. >> >> Probably. If you know of somebody I don't know of, please let me >> know. > > For a while now I have a old spare Intel Madrona server. It has in > current configuration one SCSI backplane with 5 SCA plugs and four > Seagate Cheetah disks (old model: 4.3GB 10000rpm). The SCSI > controller is onboard Symbios 875. I did some vinum raid-5 tests in > November, all what I got was massive filesystem corruption and > panics after the degraded volume got rebuilt. I'll probably have > this box for yet two weeks or so and my time isn't so limited now, > so.. What I can do to help you besides installing latest -stable? Do > you have some formalized test procedures or anything to prove the > stability of raid-5 configuration? No testing can prove stability, only instability :-) If you were able to get file system corruption, go and check how you did it and see if you can do it again. Don't forget the information I asked for in http://www.vinumvm.org/vinum/how-to-debug.html. Greg -- Finger grog@lemis.com for PGP public key See complete headers for address and phone numbers To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-stable" in the body of the message