From owner-freebsd-questions@FreeBSD.ORG Tue Mar 21 23:44:48 2006 Return-Path: X-Original-To: freebsd-questions@freebsd.org 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 7EBD016A400 for ; Tue, 21 Mar 2006 23:44:48 +0000 (UTC) (envelope-from dan@dan.emsphone.com) Received: from dan.emsphone.com (dan.emsphone.com [199.67.51.101]) by mx1.FreeBSD.org (Postfix) with ESMTP id 2CA7D43D45 for ; Tue, 21 Mar 2006 23:44:48 +0000 (GMT) (envelope-from dan@dan.emsphone.com) Received: (from dan@localhost) by dan.emsphone.com (8.13.1/8.13.4) id k2LNilQZ096208; Tue, 21 Mar 2006 17:44:47 -0600 (CST) (envelope-from dan) Date: Tue, 21 Mar 2006 17:44:47 -0600 From: Dan Nelson To: Halid Faith Message-ID: <20060321234447.GC81419@dan.emsphone.com> References: <001b01c64d23$42533020$dc96eed5@ihlasnetym> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <001b01c64d23$42533020$dc96eed5@ihlasnetym> X-OS: FreeBSD 5.5-PRERELEASE X-message-flag: Outlook Error User-Agent: Mutt/1.5.11 Cc: freebsd-questions@freebsd.org Subject: Re: Why the usage of disks exceed %100 in systat command ? X-BeenThere: freebsd-questions@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: User questions List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Tue, 21 Mar 2006 23:44:48 -0000 In the last episode (Mar 21), Halid Faith said: > Hello > I have a machine which have Raid5 and Freebsd6.0 runs on it. > > When I type in command line as below I sometimes see a thing. > systat 1 -vmstat > Disks amrd0 pass0 52 ofod intrn 1996 cpu2: > KB/t 6.04 0.00 %slo-z 114464 buf > tps 86 0 64 tfree 58 dirtybuf > MB/s 0.50 0.00 100000 desiredvnodes > % busy 119 0 85778 numvnodes > 24996 freevnodes > > I see that usage of the disk % more than 100. > does this condition become any problem? > Might this condition which raid card does not work properly be ? I think this is just a sampling error somewhere; utilization can't exceed 100% in real life. -- Dan Nelson dnelson@allantgroup.com