From owner-freebsd-stable Mon Sep 3 18:20:19 2001 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 D57D837B401 for ; Mon, 3 Sep 2001 18:20:13 -0700 (PDT) Received: by wantadilla.lemis.com (Postfix, from userid 1004) id B40456ACE6; Tue, 4 Sep 2001 10:50:35 +0930 (CST) Date: Tue, 4 Sep 2001 10:50:35 +0930 From: Greg Lehey To: Chris BeHanna Cc: FreeBSD-Stable Subject: Re: RAID5 Message-ID: <20010904105035.C10292@wantadilla.lemis.com> References: <030201c1349b$a0c254b0$2aa8a8c0@melim.com.br> <20010903141721.D10812-100000@topperwein.dyndns.org> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline User-Agent: Mutt/1.2.5i In-Reply-To: <20010903141721.D10812-100000@topperwein.dyndns.org>; from behanna@zbzoom.net on Mon, Sep 03, 2001 at 02:20:56PM -0400 Organization: The FreeBSD Project Phone: +61-8-8388-8286 Fax: +61-8-8388-8725 Mobile: +61-418-838-708 WWW-Home-Page: http://www.FreeBSD.org/ 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 List-ID: List-Archive: (Web Archive) List-Help: (List Instructions) List-Subscribe: List-Unsubscribe: X-Loop: FreeBSD.ORG On Monday, 3 September 2001 at 14:20:56 -0400, Chris BeHanna wrote: > FWIW, I set up a 4-drive RAID-5 volume with an associated > journaling device on Solaris 8 that performs pretty well for home > directories. I wouldn't expect vinum to be any different in that > regard, given sufficient CPU (my Solaris volume is served from a > two-CPU E450, just as a reference point). Interestingly, CPU isn't the performance issue most people (myself once included) assume it is. Even on my original Vinum testbed, a 468/66, CPU usage was barely measurable. That's probably why most hardware RAID controllers use relatively slow CPUs. Greg -- 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