Re: Upgrading from a non-RAID to a hardware-RAID system (on RedHat 7.3) without formatting. Is it possible?

From: Måns Rullgård (mru_at_kth.se)
Date: 03/24/04 

Date: Wed, 24 Mar 2004 18:35:29 +0100

rickdang@email.it (RickDang) writes:

> Hi to all,
> I have a RH7.3 installation on an IDE hard disk directly connected to
> the motherboard. Now I'm about to add an IDE RAID controller, and I
> would like to connect my existing hard disk on it, plus another new
> disk.
>
> Is it possible to setup a RAID 1 (mirroring) with the current
> configuration, without re-formatting and re-installing the system? In
> case, what should I do to make the boot and the operating system run
> correctly?

RAID controllers usually store some information in the last few
sectors of each disk. They are probably used by some filesystem in
your existing installation. 

-- 
Måns Rullgård
mru@kth.se

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