linux-ext4 - Re: [patch] ext2/3: document conditions when reliable operation is possible

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Message-ID: <20090826025352.GD14047@khazad-dum.debian.net>
Date:	Tue, 25 Aug 2009 23:53:52 -0300
From:	Henrique de Moraes Holschuh <hmh@....eng.br>
To:	Theodore Tso <tytso@....edu>, Ric Wheeler <rwheeler@...hat.com>,
	Pavel Machek <pavel@....cz>, Florian Weimer <fweimer@....de>,
	Goswin von Brederlow <goswin-v-b@....de>,
	Rob Landley <rob@...dley.net>,
	kernel list <linux-kernel@...r.kernel.org>,
	Andrew Morton <akpm@...l.org>, mtk.manpages@...il.com,
	rdunlap@...otime.net, linux-doc@...r.kernel.org,
	linux-ext4@...r.kernel.org, corbet@....net
Subject: Re: [patch] ext2/3: document conditions when reliable operation is
 possible

On Tue, 25 Aug 2009, Theodore Tso wrote:
> a UPS to your system.  Provision your RAID array with hot spares, and
> regularly scrub (read-test) your array so that failed drives can be

Can we get a proper scrub function (full rewrite of all component
disks), please?  Not every disk out there will stop a streaming read to
rewrite weak sectors it happens to come across.

> detected early.  Make sure you configure your MD setup so that you get
> e-mail when a hard drive fails and the array starts running in
> degraded mode, so you can replace the failed drive ASAP.

Debian got this right :-)

-- 
  "One disk to rule them all, One disk to find them. One disk to bring
  them all and in the darkness grind them. In the Land of Redmond
  where the shadows lie." -- The Silicon Valley Tarot
  Henrique Holschuh
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