Software RAID1 with 2 IDE disks

[Ollie Cook]

On Fri, Jun 25, 2004 at 04:10:05PM +0100, Marco Gonçalves wrote:
> Hi list!
> 
> I have a server with two 80GB 7200RPM IDE hard drive disks.
> Is it possible to have a software mirror RAID1 runing with FreeBSD? I mean a
> full disk mirror (inlcuding system files and so on). So if i have a big
> problem in one disk, everything runs the same, with minimum human
> intervention... Is there a tool can wich i accomplish this? CCD? Vinum?
> What would be the trade-offs in access disk speed, cpu load, etc...

Vinum can do what you want. In particular if you want to use it as the root
volume, there's a section in the handbook:

http://www.freebsd.org/doc/en_US.ISO8859-1/books/handbook/vinum-root.html

A general discussion of vinum is here:

http://www.freebsd.org/doc/en_US.ISO8859-1/books/handbook/vinum-vinum.html

Ollie

-- 
Oliver Cook    Systems Administrator, Claranet UK
ollie at uk.clara.net               +44 20 7903 3065