From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from lists.gentoo.org (pigeon.gentoo.org [208.92.234.80]) by finch.gentoo.org (Postfix) with ESMTP id 747BB13839E for ; Wed, 9 Jan 2013 16:34:11 +0000 (UTC) Received: from pigeon.gentoo.org (localhost [127.0.0.1]) by pigeon.gentoo.org (Postfix) with SMTP id 9769E21C057; Wed, 9 Jan 2013 16:33:55 +0000 (UTC) Received: from svr-us4.tirtonadi.com (svr-us4.tirtonadi.com [69.65.43.212]) (using TLSv1 with cipher DHE-RSA-AES256-SHA (256/256 bits)) (No client certificate requested) by pigeon.gentoo.org (Postfix) with ESMTPS id E7F0921C1CE for ; Wed, 9 Jan 2013 16:32:23 +0000 (UTC) Received: from mail-pb0-f49.google.com ([209.85.160.49]:50693) by svr-us4.tirtonadi.com with esmtpsa (TLSv1:RC4-SHA:128) (Exim 4.80) (envelope-from ) id 1TsyZi-001kHL-BR for gentoo-user@lists.gentoo.org; Wed, 09 Jan 2013 23:32:22 +0700 Received: by mail-pb0-f49.google.com with SMTP id un15so1043798pbc.22 for ; Wed, 09 Jan 2013 08:32:20 -0800 (PST) Precedence: bulk List-Post: List-Help: List-Unsubscribe: List-Subscribe: List-Id: Gentoo Linux mail X-BeenThere: gentoo-user@lists.gentoo.org Reply-to: gentoo-user@lists.gentoo.org MIME-Version: 1.0 Received: by 10.68.135.40 with SMTP id pp8mr39056199pbb.63.1357749140816; Wed, 09 Jan 2013 08:32:20 -0800 (PST) Received: by 10.68.248.66 with HTTP; Wed, 9 Jan 2013 08:32:20 -0800 (PST) Received: by 10.68.248.66 with HTTP; Wed, 9 Jan 2013 08:32:20 -0800 (PST) In-Reply-To: References: <50EB2BF7.4040109@binarywings.net> <20130108012016.2f02c68c@khamul.example.com> <50EBCA77.8030603@binarywings.net> <20130108095510.04f84040@khamul.example.com> <50EC4660.5090208@binarywings.net> <20130108234504.08c19c9c@khamul.example.com> <20130109013726.4016dda2@khamul.example.com> <20130109103151.428615f7@khamul.example.com> Date: Wed, 9 Jan 2013 23:32:20 +0700 Message-ID: Subject: Re: [gentoo-user] Re: OT: Fighting bit rot From: Pandu Poluan To: gentoo-user@lists.gentoo.org Content-Type: multipart/alternative; boundary=047d7b10d17b3b81af04d2dd9bbe X-AntiAbuse: This header was added to track abuse, please include it with any abuse report X-AntiAbuse: Primary Hostname - svr-us4.tirtonadi.com X-AntiAbuse: Original Domain - lists.gentoo.org X-AntiAbuse: Originator/Caller UID/GID - [47 12] / [47 12] X-AntiAbuse: Sender Address Domain - poluan.info X-Get-Message-Sender-Via: svr-us4.tirtonadi.com: authenticated_id: rileyer+pandu.poluan.info/only user confirmed/virtual account not confirmed X-Archives-Salt: 3e6d6272-5e8c-446a-ab21-2d7b514f7596 X-Archives-Hash: ffde0725ddf5f4fa658095febb65fff8 --047d7b10d17b3b81af04d2dd9bbe Content-Type: text/plain; charset=UTF-8 On Jan 9, 2013 10:41 PM, "Holger Hoffstaette" < holger.hoffstaette@googlemail.com> wrote: > > On Wed, 09 Jan 2013 14:48:33 +0000, Grant Edwards wrote: > > > On 2013-01-09, Alan McKinnon wrote: > >> On Wed, 9 Jan 2013 02:47:07 +0000 (UTC) > > > >> The data on a medium can corrupt, and it can corrupt silently for a long > >> time. > > > > And I'm saying I've never seen that happen. > > Well, that's the point. > > http://storagemojo.com/2007/09/19/cerns-data-corruption-research/ > > Things are much worse than you think. > > -h > But that link also shows a bright light: RAID arrays are in general more reliable, with BER less than one-third their spec. Rgds, -- --047d7b10d17b3b81af04d2dd9bbe Content-Type: text/html; charset=UTF-8


On Jan 9, 2013 10:41 PM, "Holger Hoffstaette" <holger.hoffstaette@googlemail.com> wrote:
>
> On Wed, 09 Jan 2013 14:48:33 +0000, Grant Edwards wrote:
>
> > On 2013-01-09, Alan McKinnon <alan.mckinnon@gmail.com> wrote:
> >> On Wed, 9 Jan 2013 02:47:07 +0000 (UTC)
> >
> >> The data on a medium can corrupt, and it can corrupt silently for a long
> >> time.
> >
> > And I'm saying I've never seen that happen.
>
> Well, that's the point.
>
> http://storagemojo.com/2007/09/19/cerns-data-corruption-research/
>
> Things are much worse than you think.
>
> -h
>

But that link also shows a bright light: RAID arrays are in general more reliable, with BER less than one-third their spec.

Rgds,
--

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