From mboxrd@z Thu Jan  1 00:00:00 1970
From: =?UTF-8?Q?Mathias_Bur=C3=A9n?= <mathias.buren@gmail.com>
Subject: Re: debian software raid1
Date: Tue, 19 Apr 2011 13:25:33 +0100
Message-ID: <BANLkTik7iVaUH2bn9spW2gtV-TkjLH2Qag@mail.gmail.com>
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To: b2 <b2@playtime.bg>
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On 19 April 2011 13:12, b2 <b2@playtime.bg> wrote:
> Hi , list
> i have two identical 500GB harddrives - sda & sdb. sda has already
> installed debian with root and other partitions and data on it and sdb
> had no partiotions and data on it (it is brand new). my question is :
> can i setup software raid 1 on two harddisks without loosing any data
> from sda ? just to create raid array and somehow copy partitions and
> data to it ?
> sorry for my lame question , just don't know how (if possible) to do it.
>

http://www.debian-administration.org/articles/238

Plenty of articles on the net on how to do that.

Regards,
M