From owner-freebsd-fs@FreeBSD.ORG Sun Dec 19 04:04:44 2010 Return-Path: Delivered-To: freebsd-fs@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34]) by hub.freebsd.org (Postfix) with ESMTP id 9718C106564A for ; Sun, 19 Dec 2010 04:04:44 +0000 (UTC) (envelope-from james-freebsd-fs2@jrv.org) Received: from zimbra.jrv.org (adsl-70-243-84-11.dsl.austtx.swbell.net [70.243.84.11]) by mx1.freebsd.org (Postfix) with ESMTP id 605358FC0A for ; Sun, 19 Dec 2010 04:04:44 +0000 (UTC) Received: from localhost (localhost [127.0.0.1]) by zimbra.jrv.org (Postfix) with ESMTP id 915B716A055 for ; Sat, 18 Dec 2010 21:48:39 -0600 (CST) X-Virus-Scanned: amavisd-new at zimbra.housenet.jrv Received: from zimbra.jrv.org ([127.0.0.1]) by localhost (zimbra.housenet.jrv [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id vKkpur5JeIRT for ; Sat, 18 Dec 2010 21:48:38 -0600 (CST) Received: from [10.0.2.15] (adsl-99-66-60-249.dsl.aus2tx.sbcglobal.net [99.66.60.249]) by zimbra.jrv.org (Postfix) with ESMTPSA id CA94916A046 for ; Sat, 18 Dec 2010 21:48:37 -0600 (CST) Message-ID: <4D0D8095.6000106@jrv.org> Date: Sat, 18 Dec 2010 21:48:37 -0600 From: "James R. Van Artsdalen" User-Agent: Mozilla/5.0 (Windows; U; Windows NT 5.0; en-US; rv:1.9.2.13) Gecko/20101207 Lightning/1.0b2 Thunderbird/3.1.7 MIME-Version: 1.0 To: freebsd-fs@freebsd.org References: <4D0D156B.1070402@jrv.org> In-Reply-To: <4D0D156B.1070402@jrv.org> Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 7bit Subject: Re: ZFS recovery after power failure X-BeenThere: freebsd-fs@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: Filesystems List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Sun, 19 Dec 2010 04:04:44 -0000 On 12/18/2010 2:11 PM, James R. Van Artsdalen wrote: > I do know how to recover pools. But I do want to know how it failed. Er, I meant to say I do NOT know how to recover pools. Sergey's failure doesn't fit any pattern I am familiar with. Loss of power should not have been harmful. Perhaps 3ware "cheats" and returns success to SYNC before the disk actually completes the command?