From owner-freebsd-usb@FreeBSD.ORG Mon Jun 25 15:29:34 2012 Return-Path: Delivered-To: freebsd-usb@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34]) by hub.freebsd.org (Postfix) with ESMTP id 551181065673 for ; Mon, 25 Jun 2012 15:29:34 +0000 (UTC) (envelope-from denverh@comcast.net) Received: from qmta09.westchester.pa.mail.comcast.net (qmta09.westchester.pa.mail.comcast.net [76.96.62.96]) by mx1.freebsd.org (Postfix) with ESMTP id 10EED8FC0A for ; Mon, 25 Jun 2012 15:29:33 +0000 (UTC) Received: from omta21.westchester.pa.mail.comcast.net ([76.96.62.72]) by qmta09.westchester.pa.mail.comcast.net with comcast id Sb7J1j0081ZXKqc59fVa6e; Mon, 25 Jun 2012 15:29:34 +0000 Received: from [192.168.0.30] ([66.41.84.80]) by omta21.westchester.pa.mail.comcast.net with comcast id SfVe1j00D1jzK7m3hfVeUQ; Mon, 25 Jun 2012 15:29:39 +0000 Message-ID: <4FE883DC.3080003@comcast.net> Date: Mon, 25 Jun 2012 10:29:32 -0500 From: Denver Hull User-Agent: Mozilla/5.0 (X11; U; FreeBSD amd64; en-US; rv:1.9.1.19) Gecko/20120428 SeaMonkey/2.0.14 MIME-Version: 1.0 To: Hans Petter Selasky References: <201206241533.08745.hselasky@c2i.net> <201206251700.39759.hselasky@c2i.net> In-Reply-To: <201206251700.39759.hselasky@c2i.net> Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit Cc: freebsd-usb@freebsd.org Subject: Re: Seagate FreeAgent GoFlex 1.5TB external HDD problems X-BeenThere: freebsd-usb@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: FreeBSD support for USB List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Mon, 25 Jun 2012 15:29:34 -0000 Hans Petter Selasky wrote: > BTW: You could try to make a simple c-test program that reads and writes > random LBA's from user-space, and see when it stops working. > > Sorry to interrupt, but I have a test program that does exactly that, and more, that I used to use when I was testing SCSI disk arrays. It works on a number of platforms, including FreeBSD, and should work on any type of storage device. If you're interested, I can either send you the source, or make it available by ftp. Might be easier than cobbling something up from scratch. Thanks, Denver