From owner-svn-doc-projects@FreeBSD.ORG Mon May 20 03:52:25 2013 Return-Path: Delivered-To: svn-doc-projects@freebsd.org Received: from mx1.freebsd.org (mx1.FreeBSD.org [8.8.178.115]) by hub.freebsd.org (Postfix) with ESMTP id AE402A04; Mon, 20 May 2013 03:52:25 +0000 (UTC) (envelope-from kaduk@mit.edu) Received: from dmz-mailsec-scanner-5.mit.edu (DMZ-MAILSEC-SCANNER-5.MIT.EDU [18.7.68.34]) by mx1.freebsd.org (Postfix) with ESMTP id 4476BA72; Mon, 20 May 2013 03:52:24 +0000 (UTC) X-AuditID: 12074422-b7f5b6d00000095d-88-51999cc568fa Received: from mailhub-auth-4.mit.edu ( [18.7.62.39]) by dmz-mailsec-scanner-5.mit.edu (Symantec Messaging Gateway) with SMTP id 35.0B.02397.5CC99915; Sun, 19 May 2013 23:47:17 -0400 (EDT) Received: from outgoing.mit.edu (OUTGOING-AUTH-1.MIT.EDU [18.9.28.11]) by mailhub-auth-4.mit.edu (8.13.8/8.9.2) with ESMTP id r4K3lHkb001304; Sun, 19 May 2013 23:47:17 -0400 Received: from multics.mit.edu (SYSTEM-LOW-SIPB.MIT.EDU [18.187.2.37]) (authenticated bits=56) (User authenticated as kaduk@ATHENA.MIT.EDU) by outgoing.mit.edu (8.13.8/8.12.4) with ESMTP id r4K3lFWe015820 (version=TLSv1/SSLv3 cipher=DHE-RSA-AES256-SHA bits=256 verify=NOT); Sun, 19 May 2013 23:47:16 -0400 Received: (from kaduk@localhost) by multics.mit.edu (8.12.9.20060308) id r4K3lEUb007360; Sun, 19 May 2013 23:47:14 -0400 (EDT) Date: Sun, 19 May 2013 23:47:14 -0400 (EDT) From: Benjamin Kaduk To: Tom Rhodes Subject: Re: svn commit: r41664 - in projects/ISBN_1-57176-407-0/en_US.ISO8859-1/books/handbook: config network-servers In-Reply-To: <201305181956.r4IJu0kK001534@svn.freebsd.org> Message-ID: References: <201305181956.r4IJu0kK001534@svn.freebsd.org> User-Agent: Alpine 1.10 (GSO 962 2008-03-14) MIME-Version: 1.0 Content-Type: TEXT/PLAIN; charset=US-ASCII; format=flowed X-Brightmail-Tracker: H4sIAAAAAAAAA+NgFnrDIsWRmVeSWpSXmKPExsUixG6nrnt0zsxAg+//bSx+fDzEZLHwzGpm i78bPrA4MHvM+DSfJYAxissmJTUnsyy1SN8ugStj+4wXLAWPuSvufD/M3MC4lbOLkZNDQsBE 4vn06ywQtpjEhXvr2boYuTiEBPYxSlzf+ZwJwtnIKLF9z2JmCOcQk8Ts493sEE4Do8SeSe2s XYwcHCwC2hKbVieBjGITUJGY+WYjG4gtAmTfPXiaCcRmFrCRmPBgATuILSxQKfH7bzsjSCun gJXEjm++IGFeAQeJv5cWMYPYQgKWEu879oKNERXQkVi9fwoLRI2gxMmZT1ggRlpKnPtznW0C o+AsJKlZSFILGJlWMcqm5Fbp5iZm5hSnJusWJyfm5aUW6Zrq5WaW6KWmlG5iBAeqi9IOxp8H lQ4xCnAwKvHwZgTNDBRiTSwrrsw9xCjJwaQkyvt1FlCILyk/pTIjsTgjvqg0J7X4EKMEB7OS CG90N1CONyWxsiq1KB8mJc3BoiTOey3lpr+QQHpiSWp2ampBahFMVoaDQ0mCd9FsoEbBotT0 1Iq0zJwShDQTByfIcB6g4f9BaniLCxJzizPTIfKnGBWlxHkfgSQEQBIZpXlwvbBE8opRHOgV Yd49IFU8wCQE1/0KaDAT0ODtlmCDSxIRUlINjHXmN78tuaLiyTqj72ndL8b8GRXZH69mafe0 7q79pz5npeGfHWVHBWocTgsIz9gnpHZZQV6sK7l6Isu298/Tkp/pX2xUbN6145O3TuCk/CqZ fx9yxDp1oiySlPS62v/+uzH5Q7lsrzxTwtu4oN/+6x60fX5lV+L7/dmf2NnqV+0SarLitj7n VmIpzkg01GIuKk4EAPoi+xD/AgAA Cc: svn-doc-projects@freebsd.org, doc-committers@freebsd.org X-BeenThere: svn-doc-projects@freebsd.org X-Mailman-Version: 2.1.14 Precedence: list List-Id: SVN commit messages for doc projects trees List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Mon, 20 May 2013 03:52:25 -0000 On Sat, 18 May 2013, Tom Rhodes wrote: > Modified: projects/ISBN_1-57176-407-0/en_US.ISO8859-1/books/handbook/config/chapter.xml > ============================================================================== > --- projects/ISBN_1-57176-407-0/en_US.ISO8859-1/books/handbook/config/chapter.xml Sat May 18 18:24:11 2013 (r41663) > +++ projects/ISBN_1-57176-407-0/en_US.ISO8859-1/books/handbook/config/chapter.xml Sat May 18 19:55:59 2013 (r41664) > @@ -1959,6 +1959,19 @@ device_probe_and_attach: cbb0 attach ret > > Tuning Disks > > + The following section will discuss various tuning > + mechanisms and options which may be applied to disk > + devices. In many cases, disks with mechanical parts, > + such as SCSI drives, will be the bottle > + neck driving down the overall system performance. While I thought "bottleneck" was a word of itself (no space). -Ben > + a solution is to install a drive without mechanical parts, > + such as a solid state drive, mechanical drives are not > + going away anytime in the near future. When tuning disks, > + it is advisable to utilize the features of the &man.iostat.8; > + command to test various changes to the system. This > + command will allow the user to obtain valuable information > + on system IO. > + > > Sysctl Variables