From owner-freebsd-fs@FreeBSD.ORG Sun Dec 19 10:58:29 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 E6875106566B for ; Sun, 19 Dec 2010 10:58:28 +0000 (UTC) (envelope-from srg.gavrilov@gmail.com) Received: from mail-iw0-f182.google.com (mail-iw0-f182.google.com [209.85.214.182]) by mx1.freebsd.org (Postfix) with ESMTP id 9CC4D8FC0C for ; Sun, 19 Dec 2010 10:58:28 +0000 (UTC) Received: by iwn39 with SMTP id 39so2258790iwn.13 for ; Sun, 19 Dec 2010 02:58:28 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=gamma; h=domainkey-signature:mime-version:received:received:in-reply-to :references:date:message-id:subject:from:to:cc:content-type; bh=nmlUvEZhEB6Ke602b3gtg9O5nnYoxklZF8i1iZbAqC0=; b=n8QiAo4MdgXOVWSww0t7QNS1KpFiGYNn3qO13Ja4cxBvZy6bbAU2PaRuKf2r8OMi8k xQlBrexYayvn+2aNeshQWzFBwWp2Nm+Hda7TLmSaWvs27Jkj9r6YqTJEeShiZyChHZsi +mKvDN0ZJPj5KWUouUABJevz5uDY3rlNiS6FU= DomainKey-Signature: a=rsa-sha1; c=nofws; d=gmail.com; s=gamma; h=mime-version:in-reply-to:references:date:message-id:subject:from:to :cc:content-type; b=QbE/HNwFyrOu42euKluTqUJz5WQet9Au/AxkVM9exfvpk1vvKZixrQL7hXn98gRKjw 9ibN2ucpJYHsFW+TJiaW5nyinwvvBcDmQntQeBlfyUhMft4dFGt9P39nv3bmC2Etc5Wx pXCbCiaB/GLPPrWe91cczqkx66CY/AGkanlPQ= MIME-Version: 1.0 Received: by 10.42.173.196 with SMTP id s4mr2947265icz.70.1292756306760; Sun, 19 Dec 2010 02:58:26 -0800 (PST) Received: by 10.42.150.65 with HTTP; Sun, 19 Dec 2010 02:58:26 -0800 (PST) In-Reply-To: <20101219054142.GC70444@in-addr.com> References: <4D0D156B.1070402@jrv.org> <4D0D8095.6000106@jrv.org> <20101219054142.GC70444@in-addr.com> Date: Sun, 19 Dec 2010 13:58:26 +0300 Message-ID: From: Sergey Gavrilov To: Gary Palmer Content-Type: text/plain; charset=UTF-8 X-Content-Filtered-By: Mailman/MimeDel 2.1.5 Cc: freebsd-fs@freebsd.org 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 10:58:29 -0000 Yes, you're right Gary. That's what it was. 2010/12/19 Gary Palmer > On Sat, Dec 18, 2010 at 09:48:37PM -0600, James R. Van Artsdalen wrote: > > 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? > > 3ware controllers can be configured with write-back cache even without > a battery backup, which will almost certainly mean loss of > data if the power is pulled. > _______________________________________________ > freebsd-fs@freebsd.org mailing list > http://lists.freebsd.org/mailman/listinfo/freebsd-fs > To unsubscribe, send any mail to "freebsd-fs-unsubscribe@freebsd.org" > -- Best regards, Sergey Gavrilov