From owner-freebsd-questions@FreeBSD.ORG  Thu Jun 21 15:43:04 2012
Return-Path: <owner-freebsd-questions@FreeBSD.ORG>
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 1D48710657A5
	for <freebsd-questions@freebsd.org>;
	Thu, 21 Jun 2012 15:43:04 +0000 (UTC)
	(envelope-from wojtek@wojtek.tensor.gdynia.pl)
Received: from wojtek.tensor.gdynia.pl (wojtek.tensor.gdynia.pl [89.206.35.99])
	by mx1.freebsd.org (Postfix) with ESMTP id 590598FC1A
	for <freebsd-questions@freebsd.org>;
	Thu, 21 Jun 2012 15:43:03 +0000 (UTC)
Received: from wojtek.tensor.gdynia.pl (localhost [127.0.0.1])
	by wojtek.tensor.gdynia.pl (8.14.5/8.14.5) with ESMTP id q5LFgtAK003517;
	Thu, 21 Jun 2012 17:42:55 +0200 (CEST)
	(envelope-from wojtek@wojtek.tensor.gdynia.pl)
Received: from localhost (wojtek@localhost)
	by wojtek.tensor.gdynia.pl (8.14.5/8.14.5/Submit) with ESMTP id
	q5LFgthv003514; Thu, 21 Jun 2012 17:42:55 +0200 (CEST)
	(envelope-from wojtek@wojtek.tensor.gdynia.pl)
Date: Thu, 21 Jun 2012 17:42:55 +0200 (CEST)
From: Wojciech Puchar <wojtek@wojtek.tensor.gdynia.pl>
To: weldon@excelsusphoto.com
In-Reply-To: <c824f2f1dc18a153a1dca35b3be7f18b@excelsusphoto.com>
Message-ID: <alpine.BSF.2.00.1206211741200.3510@wojtek.tensor.gdynia.pl>
References: <4FE2CE38.9000100@gmail.com>
	<CAPj0R5Kmi-+dJ7mPvTrTAoS8O983svOyR2WyK2_v1Cr07dSS_A@mail.gmail.com>
	<alpine.BSF.2.00.1206211413140.2263@wojtek.tensor.gdynia.pl>
	<CA+D9QhuQ+bxKW9+dX+zS9mErwz8JSkV2G7qL0KfB8BH_LGJAgA@mail.gmail.com>
	<alpine.BSF.2.00.1206211539230.2903@wojtek.tensor.gdynia.pl>
	<CA+D9QhvR_eKtVxdKcaMyOS7tLw_AOHKgUy3o7mJn2b=chMA0Xw@mail.gmail.com>
	<alpine.BSF.2.00.1206211619250.3092@wojtek.tensor.gdynia.pl>
	<CA+D9QhvwKZm7heoe7tpfhYCJvkknw_HC7aFjCu+-1xYQBmV6ng@mail.gmail.com>
	<alpine.BSF.2.00.1206211644350.3170@wojtek.tensor.gdynia.pl>
	<CA+D9QhsyOh34SghWzQPpnTig+UmSEO2VP7jfPxTXs9zW9Uakeg@mail.gmail.com>
	<alpine.BSF.2.00.1206211707570.3361@wojtek.tensor.gdynia.pl>
	<c824f2f1dc18a153a1dca35b3be7f18b@excelsusphoto.com>
User-Agent: Alpine 2.00 (BSF 1167 2008-08-23)
MIME-Version: 1.0
Content-Type: TEXT/PLAIN; charset=US-ASCII; format=flowed
X-Greylist: Sender passed SPF test, not delayed by milter-greylist-4.2.7
	(wojtek.tensor.gdynia.pl [127.0.0.1]);
	Thu, 21 Jun 2012 17:42:56 +0200 (CEST)
Cc: freebsd-questions@freebsd.org
Subject: Re: Is ZFS production ready?
X-BeenThere: freebsd-questions@freebsd.org
X-Mailman-Version: 2.1.5
Precedence: list
List-Id: User questions <freebsd-questions.freebsd.org>
List-Unsubscribe: <http://lists.freebsd.org/mailman/listinfo/freebsd-questions>, 
	<mailto:freebsd-questions-request@freebsd.org?subject=unsubscribe>
List-Archive: <http://lists.freebsd.org/pipermail/freebsd-questions>
List-Post: <mailto:freebsd-questions@freebsd.org>
List-Help: <mailto:freebsd-questions-request@freebsd.org?subject=help>
List-Subscribe: <http://lists.freebsd.org/mailman/listinfo/freebsd-questions>, 
	<mailto:freebsd-questions-request@freebsd.org?subject=subscribe>
X-List-Received-Date: Thu, 21 Jun 2012 15:43:04 -0000

>
> I think it is incorrect to assume that a failure with ZFS that cannot be 
> recovered could be recovered if you used UFS with fsck.
i think it is incorrect to not read carefully.

So explanation - ZFS failure NOT caused by disks failure cannot be usually 
recovered.

But even if i am wrong at this, rest still apply.

> What fsck fixes in 
> other file systems doesn't apply to ZFS by ZFS's design.    fsck deals with 
> fixing superblock inconsistancies on non-journaled file systems (like 
> UFS/UFS2), not resurecting corrupted blocks on a disk.
>
> http://www.c0t0d0s0.org/archives/6071-No,-ZFS-really-doesnt-need-a-fsck.html
yes i know that article.

And it is truly funny for me to know people do think this way.