From owner-freebsd-questions Wed May 16 22: 7:50 2001 Delivered-To: freebsd-questions@freebsd.org Received: from zork.punq.net (punq.net [207.154.84.94]) by hub.freebsd.org (Postfix) with SMTP id BDC3737B423 for ; Wed, 16 May 2001 22:07:48 -0700 (PDT) (envelope-from marcus@blazingdot.com) Received: (qmail 3964 invoked by uid 1000); 17 May 2001 05:07:48 -0000 Date: Wed, 16 May 2001 22:07:48 -0700 From: Marcus Reid To: Gabriel Ambuehl Cc: Jonathan Fortin , questions@freebsd.org Subject: Re: Raid (BEST PERFORMANCE) Message-ID: <20010516220747.A3755@blazingdot.com> References: <007501c0d718$61d4d920$020a10ac@node00> <721044900156.20010508182226@buz.ch> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline User-Agent: Mutt/1.2.5i In-Reply-To: <721044900156.20010508182226@buz.ch>; from gabriel_ambuehl@buz.ch on Tue, May 08, 2001 at 06:22:26PM +0200 Coffee-Level: high Sender: owner-freebsd-questions@FreeBSD.ORG Precedence: bulk X-Loop: FreeBSD.ORG On Tue, May 08, 2001 at 06:22:26PM +0200, Gabriel Ambuehl wrote: > > Hello Jonathan, > Monday, May 07, 2001, 7:08:48 PM, you wrote: > > Best Performance Raid is a raid 0+1 setup. > > For example, you got 4 20gb harddrives. > > You create 2 strips of 2hds eachs, and you mirror them. > > It will have redundancy and the speed will be as fast as a normal > disk. It's > > basically a Raid-1 setup with 2 hard drives per strip instead of one > to > > counter write performance hits. > Some vendors like to call this RAID 10 (hmm. 1+0=10? only if those are > strings...). If I'm not mistaken, there's a difference between 0+1 and 10: one is striped and then mirrored, the other is mirrored and then striped. It's supposed to have some bearing on performance, 0+1 being the faster one. > > > Best regards, > Gabriel > -- Marcus Reid Blazingdot.com To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-questions" in the body of the message