From mboxrd@z Thu Jan  1 00:00:00 1970
From: David Greaves <david@dgreaves.com>
Subject: Re: Backups using RAID1
Date: Thu, 20 Nov 2008 08:43:14 +0000
Message-ID: <49252322.2010401@dgreaves.com>
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To: Max Waterman <davidmaxwaterman@fastmail.co.uk>
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Max Waterman wrote:
> Of course, you could always *not* yank them; instead just fail them
> (after unmounting/syncing/whatever) and leave the actual disk in the
> machine.

Also worth mentioning is that you can have a 3-way RAID1.

So adding a disk, allowing it to sync and then removing it again means you are
never left with just a single point of failure.

You can of course send the 'backup' disk(s) to sleep too.

David