linux-kernel - Re: [patch] document flash/RAID dangers

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Message-ID: <20090826144716.486a0d44@lxorguk.ukuu.org.uk>
Date:	Wed, 26 Aug 2009 14:47:16 +0100
From:	Alan Cox <alan@...rguk.ukuu.org.uk>
To:	Chris Adams <cmadams@...aay.net>
Cc:	Theodore Tso <tytso@....edu>, linux-kernel@...r.kernel.org
Subject: Re: [patch] document flash/RAID dangers

> The issues being raised here are not specific to extX, MD RAID, or Linux
> at all; they are problems with non-"enterprise-class" RAID setups.
> There's a reason enterprise-class RAID costs a lot more money than the
> card you can pick up at Fry's.

And you will still need backups ;)

A long time ago I worked on a fault tolerant news server with dual
alphaserver boxes and a shared disk array. A power system failure took
out both the alpha boxes and the disk controllers and all the disks.

Fortunately it was a news server so you just had to wait a week ..

Alan
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