From owner-freebsd-stable@FreeBSD.ORG Thu Jan 17 13:29:08 2013 Return-Path: Delivered-To: freebsd-stable@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:1900:2254:206a::19:1]) by hub.freebsd.org (Postfix) with ESMTP id C0312A09 for ; Thu, 17 Jan 2013 13:29:08 +0000 (UTC) (envelope-from tarkhil@webmail.sub.ru) Received: from mail.sub.ru (mail.sub.ru [88.212.205.2]) by mx1.freebsd.org (Postfix) with SMTP id 03D2EDFF for ; Thu, 17 Jan 2013 13:29:07 +0000 (UTC) Received: (qmail 23855 invoked from network); 17 Jan 2013 17:22:24 +0400 Received: from 95-27-78-36.broadband.corbina.ru (95-27-78-36.broadband.corbina.ru [95.27.78.36]) by mail.sub.ru ([88.212.205.2]) with ESMTP via TCP; 31 Dec 1969 23:59:59 -0000 Message-ID: <50F7FB12.5040602@webmail.sub.ru> Date: Thu, 17 Jan 2013 17:22:26 +0400 From: Alex Povolotsky User-Agent: Mozilla/5.0 (X11; FreeBSD amd64; rv:14.0) Gecko/20120817 Thunderbird/14.0 MIME-Version: 1.0 To: Mark Felder Subject: Re: Strange problem with... ZFS? Disk? Controller? References: <50D56D4B.4060709@webmail.sub.ru> <20121222032541.0ceb9f56@tech304> In-Reply-To: <20121222032541.0ceb9f56@tech304> Content-Type: text/plain; charset=KOI8-R; format=flowed Content-Transfer-Encoding: 7bit Cc: freebsd-stable@freebsd.org, freebsd-hardware@FreeBSD.ORG X-BeenThere: freebsd-stable@freebsd.org X-Mailman-Version: 2.1.14 Precedence: list List-Id: Production branch of FreeBSD source code List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Thu, 17 Jan 2013 13:29:08 -0000 On 12/22/12 13:25, Mark Felder wrote: > Try running diskinfo -t /dev/... > > If it says your device is really slow it's probably dying. I'd suspect it's having trouble seeking. > It was a break-in. Some dumb php script running with user privileges managed FreeBSD to hang on disk io up to stopping responding to anything besides reset. Alex