linux-kernel - Re: Need a little help with Software Raid 1

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Message-ID: <20070221104312.GA2029@cumulus>
Date:	Wed, 21 Feb 2007 11:43:12 +0100
From:	Sander <sander@...ilis.net>
To:	Marc Perkel <mperkel@...oo.com>
Cc:	linux-kernel@...r.kernel.org
Subject: Re: Need a little help with Software Raid 1

Marc Perkel wrote (ao):
> I have a partition that used to be part of a software
> raid 1 array. It is now loaded as /dev/sda3 but I'd
> like to mirror it to /dev/sdb3 without losing the data
> on the drive. I'm a little nervous about how to set it
> up as I don't want to wipe out the data.
> 
> How do I do this? Using FC6 and up 2 date software.

Create a degraded raid1 on /dev/sdb3, mount the degraded raid1, copy the
data over from /dev/sda3 to the degraded raid1, umount /dev/sda3 and add
it to the degraded raid1 to make it non-degraded.

	With kind regards, Sander

-- 
Humilis IT Services and Solutions
http://www.humilis.net
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