From owner-freebsd-stable Tue Jan 2 18:31:15 2001 From owner-freebsd-stable@FreeBSD.ORG Tue Jan 2 18:31:12 2001 Return-Path: Delivered-To: freebsd-stable@freebsd.org Received: from shalimar.net.au (shalimar.net.au [198.142.161.98]) by hub.freebsd.org (Postfix) with ESMTP id 8C87037B400 for ; Tue, 2 Jan 2001 18:31:10 -0800 (PST) Received: from shalimar.net.au (localhost [127.0.0.1]) by shalimar.net.au (8.11.1/8.11.1) with SMTP id f032Up803984; Wed, 3 Jan 2001 13:30:51 +1100 (EST) (envelope-from count@shalimar.net.au) From: Zero Sum Organization: Tobacco Chewers and Body Painters Association. Date: Wed, 3 Jan 2001 13:30:50 +1100 X-Mailer: KMail [version 1.1.99] Content-Type: text/plain; charset="us-ascii" Cc: freebsd-stable@FreeBSD.ORG To: Alfred Perlstein , Thomas Seck References: <20010102230107.A559@basildon.homerun> <20010102152109.D19572@fw.wintelcom.net> In-Reply-To: <20010102152109.D19572@fw.wintelcom.net> Subject: Re: Vinum safe to use for raid 0? MIME-Version: 1.0 Message-Id: <01010313305000.03936@shalimar.net.au> Content-Transfer-Encoding: 8bit Sender: owner-freebsd-stable@FreeBSD.ORG Precedence: bulk X-Loop: FreeBSD.ORG On Wednesday 03 January 2001 10:21, Alfred Perlstein wrote: >* Thomas Seck [010102 14:00] wrote: >> Hi all, >> >> sorry if this is OT for -stable, but I followed the discussion about >> vinum in here and got a bit worried. >> >> I am currently deploying a proxy server for our company. It shall use >> squid on 4.2-STABLE. I would like to put the cache data on a vinum RAID >> 0, made of three U160 disks. As I understood the discussion so far, >> there are some unresolved problems with the raid 5 code. Could someone >> tell me whether I can safely use vinum for building a raid 0 system >> (despite the fact that the HW may be a point of failure of course)? >> >> Thanks in advance and best regards from Germany > >We've been using RAID-0 and RAID-1 with vinum here for a long time, >the only problem we had was during a 3.x->4.x upgrade, we were able >to recover from it after freaking out for a bit though. > I know it is a bit off topic and if it has been discussed to death befire, I apologise. But for the lfe of me I can't see why anyone would use RAID 5 as other than an acadaemic exercise. If this seems like a troll, I'm sorry, but I have had this argument so many time in RL. In the past I have always managed to get better performance by throwing RAID 5 out. >So yes, it is stable. I still wouldn't trust the RAID-5, but if >you want to get RAID-5 working you could take a shot on getting >some reproducable corruption/panics and let Greg know. > The lack of data may be because of it's lack of use as a general practice. Geoff -- count@shalimar.net.au Vescere bracis meis http://www.hack.gr/jargon/html/D/disclaimer.html To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-stable" in the body of the message