From owner-freebsd-stable@FreeBSD.ORG Thu Nov 9 11:42:22 2006 Return-Path: X-Original-To: freebsd-stable@FreeBSD.ORG Delivered-To: freebsd-stable@FreeBSD.ORG Received: from mx1.FreeBSD.org (mx1.freebsd.org [216.136.204.125]) by hub.freebsd.org (Postfix) with ESMTP id B467F16A4EF for ; Thu, 9 Nov 2006 11:42:22 +0000 (UTC) (envelope-from petefrench@ticketswitch.com) Received: from mail.ticketswitch.com (mail.ticketswitch.com [194.200.93.188]) by mx1.FreeBSD.org (Postfix) with ESMTP id 8C18243DA2 for ; Thu, 9 Nov 2006 11:42:02 +0000 (GMT) (envelope-from petefrench@ticketswitch.com) Received: from [172.16.1.6] (helo=dilbert.firstcallgroup.co.uk) by mail.ticketswitch.com with esmtp (Exim 4.60 (FreeBSD)) (envelope-from ) id 1Gi8I1-000OwK-Eq; Thu, 09 Nov 2006 11:41:49 +0000 Received: from petefrench by dilbert.firstcallgroup.co.uk with local (Exim 4.61 (FreeBSD)) (envelope-from ) id 1Gi8I0-0006I7-Dk; Thu, 09 Nov 2006 11:41:48 +0000 To: markir@paradise.net.nz In-Reply-To: <45528C16.5030100@paradise.net.nz> Message-Id: From: Pete French Date: Thu, 09 Nov 2006 11:41:48 +0000 Cc: freebsd-stable@FreeBSD.ORG Subject: Re: Dissapointing performance of ciss RAID 0+1 ? X-BeenThere: freebsd-stable@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: Production branch of FreeBSD source code List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Thu, 09 Nov 2006 11:42:22 -0000 > You might be able to speed up the read by playing with the vfs.read_max > sysctl (try 16 or 32). Wow! That makes a huge difference, thanks. Should this not be in 'man tuning' ? -pete.