linux-kernel - Re: Sharing disks amoung multiple software RAIDs

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Message-ID: <72dbd3150805020006p7f976a04o487389840f03b4a2@mail.gmail.com>
Date:	Fri, 2 May 2008 00:06:46 -0700
From:	"David Rees" <drees76@...il.com>
To:	"Kasper Sandberg" <lkml@...anurb.dk>
Cc:	"David Lethe" <david@...tools.com>, alex14641@...oo.com,
	"Justin Piszcz" <jpiszcz@...idpixels.com>,
	linux-raid@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: Sharing disks amoung multiple software RAIDs

On Thu, May 1, 2008 at 7:42 PM, Kasper Sandberg <lkml@...anurb.dk> wrote:
>  in other words, would i be
>  safer to run rsync every day to my other disk, and run in non-raid
>  mode?!

What would be safer is to run rsync every day from one redundant array
to another array - preferably on another machine that is located as
far away as possible from the one that you are backing up.

RAID is not the same as a backup, though unfortunately, too many
people treat it as such.

-Dave
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