From owner-freebsd-questions@FreeBSD.ORG Thu Sep 27 19:04:53 2007 Return-Path: Delivered-To: freebsd-questions@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34]) by hub.freebsd.org (Postfix) with ESMTP id B6AF316A417 for ; Thu, 27 Sep 2007 19:04:53 +0000 (UTC) (envelope-from wojtek@wojtek.tensor.gdynia.pl) Received: from wojtek.tensor.gdynia.pl (wojtek.tensor.gdynia.pl [IPv6:2001:4070:101:2::1]) by mx1.freebsd.org (Postfix) with ESMTP id EC9E613C461 for ; Thu, 27 Sep 2007 19:04:52 +0000 (UTC) (envelope-from wojtek@wojtek.tensor.gdynia.pl) Received: from wojtek.tensor.gdynia.pl (localhost [IPv6:::1]) by wojtek.tensor.gdynia.pl (8.13.8/8.13.8) with ESMTP id l8RJ4jhQ020247; Thu, 27 Sep 2007 21:04:45 +0200 (CEST) (envelope-from wojtek@wojtek.tensor.gdynia.pl) Received: from localhost (wojtek@localhost) by wojtek.tensor.gdynia.pl (8.13.8/8.13.8/Submit) with ESMTP id l8RJ4jGA020244; Thu, 27 Sep 2007 21:04:45 +0200 (CEST) (envelope-from wojtek@wojtek.tensor.gdynia.pl) Date: Thu, 27 Sep 2007 21:04:45 +0200 (CEST) From: Wojciech Puchar To: Chuck Swiger In-Reply-To: <0079D5BC-57FB-4013-B772-545D7D83203B@mac.com> Message-ID: <20070927210423.K20243@wojtek.tensor.gdynia.pl> References: <001201c8012d$e747d620$0a00020a@mickey> <0079D5BC-57FB-4013-B772-545D7D83203B@mac.com> MIME-Version: 1.0 Content-Type: TEXT/PLAIN; charset=US-ASCII; format=flowed Cc: Don O'Neil , freebsd-questions@freebsd.org Subject: Re: Stress testing/burning in HDDs 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: Thu, 27 Sep 2007 19:04:53 -0000 >> What is the best way to do this? > > It's reasonable to start with something like a: > > dd if=/dev/your_disk of=/dev/null bs=5120 > > ...to at least try reading every sector on the drive as a basic sanity check. why so small blocks of 10 sectors? i use bs=64k at least goes faster. > Better would be to install /usr/ports/sysutils/smartmontools and run some > SMART self-tests via: > > smartctl -t long /dev/your_disk > > smartctl even understands some types of RAID controllers, but not all of > them.... > > -- > -Chuck > > _______________________________________________ > freebsd-questions@freebsd.org mailing list > http://lists.freebsd.org/mailman/listinfo/freebsd-questions > To unsubscribe, send any mail to "freebsd-questions-unsubscribe@freebsd.org" >