From owner-freebsd-questions@FreeBSD.ORG Fri Jun 29 11:12:50 2012 Return-Path: Delivered-To: freebsd-questions@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [69.147.83.52]) by hub.freebsd.org (Postfix) with ESMTP id 92C2F106564A for ; Fri, 29 Jun 2012 11:12:50 +0000 (UTC) (envelope-from wojtek@wojtek.tensor.gdynia.pl) Received: from wojtek.tensor.gdynia.pl (wojtek.tensor.gdynia.pl [89.206.35.99]) by mx1.freebsd.org (Postfix) with ESMTP id DED758FC0C for ; Fri, 29 Jun 2012 11:12:49 +0000 (UTC) Received: from wojtek.tensor.gdynia.pl (localhost [127.0.0.1]) by wojtek.tensor.gdynia.pl (8.14.5/8.14.5) with ESMTP id q5TBCkLe044366; Fri, 29 Jun 2012 13:12:46 +0200 (CEST) (envelope-from wojtek@wojtek.tensor.gdynia.pl) Received: from localhost (wojtek@localhost) by wojtek.tensor.gdynia.pl (8.14.5/8.14.5/Submit) with ESMTP id q5TBCk4q044363; Fri, 29 Jun 2012 13:12:46 +0200 (CEST) (envelope-from wojtek@wojtek.tensor.gdynia.pl) Date: Fri, 29 Jun 2012 13:12:46 +0200 (CEST) From: Wojciech Puchar To: Julien Cigar In-Reply-To: <4FED7815.10102@ulb.ac.be> Message-ID: References: <4FED7815.10102@ulb.ac.be> User-Agent: Alpine 2.00 (BSF 1167 2008-08-23) MIME-Version: 1.0 Content-Type: TEXT/PLAIN; charset=US-ASCII; format=flowed X-Greylist: Sender passed SPF test, not delayed by milter-greylist-4.2.7 (wojtek.tensor.gdynia.pl [127.0.0.1]); Fri, 29 Jun 2012 13:12:46 +0200 (CEST) Cc: freebsd-questions@freebsd.org Subject: Re: Anatomy of Perfomance tests 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: Fri, 29 Jun 2012 11:12:50 -0000 what i would like to see too is how these systems compare on such test: - run lots of heavy disk I/O tests, many different in the same time, including ones doing many writes to different places. - turn off power while doing this, by unplugging from wall plug. - compare amount of loss and destruction that happened to filesystem.