From owner-freebsd-questions@FreeBSD.ORG Sat Feb 12 19:05:25 2005 Return-Path: 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 499D716A4CE for ; Sat, 12 Feb 2005 19:05:25 +0000 (GMT) Received: from rader.servnow.com (rader.servnow.com [69.93.129.4]) by mx1.FreeBSD.org (Postfix) with ESMTP id E7A8743D4C for ; Sat, 12 Feb 2005 19:05:24 +0000 (GMT) (envelope-from mikes@siralan.org) Received: from 12-210-221-89.client.insightbb.com ([12.210.221.89] helo=familysquires.net) by rader.servnow.com with esmtps (TLSv1:AES256-SHA:256) (Exim 4.43) id 1D02Zt-0006oZ-Tv; Sat, 12 Feb 2005 14:05:16 -0500 Date: Sat, 12 Feb 2005 14:05:16 -0500 (EST) From: "Michael L. Squires" X-X-Sender: mikes@familysquires.net To: "Marc G. Fournier" In-Reply-To: <20050209161917.Q94338@ganymede.hub.org> Message-ID: <20050212135932.N20102@familysquires.net> References: <20050208231208.B94338@ganymede.hub.org> <20050208234602.M94338@ganymede.hub.org> <20050209161917.Q94338@ganymede.hub.org> MIME-Version: 1.0 Content-Type: TEXT/PLAIN; charset=US-ASCII; format=flowed X-AntiAbuse: This header was added to track abuse, please include it with any abuse report X-AntiAbuse: Primary Hostname - rader.servnow.com X-AntiAbuse: Original Domain - freebsd.org X-AntiAbuse: Originator/Caller UID/GID - [47 12] / [47 12] X-AntiAbuse: Sender Address Domain - siralan.org X-Source: X-Source-Args: X-Source-Dir: cc: Olivier Nicole cc: "Mark A. Garcia" cc: freebsd-questions@freebsd.org Subject: Re: vinum in 4.x poor performer? X-BeenThere: freebsd-questions@freebsd.org X-Mailman-Version: 2.1.1 Precedence: list List-Id: User questions List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Sat, 12 Feb 2005 19:05:25 -0000 On Wed, 9 Feb 2005, Marc G. Fournier wrote: > I read that somewhere, but then every example shows 256k as being the strip > size :( Now, with a 5 drives RAID5 array (which I'll be moving that server > to over the next couple of weeks), 256k isn't an issue? or is there > something better i should set it to? > The 4.10 man 8 vinum page shows 512K in the example, but later on it says that if cylinder groups are 32MB in size you should avoid a power of 2 which will place all superblocks and inodes on the same subdisk and that an odd number (479kB is the example) should be chosen. Mike Squires