You can try gmirror(8)
Ref:
1. http://people.freebsd.org/~rse/mirror/
2. http://www.onlamp.com/lpt/a/6309
On Thu, May 04, 2006 at 07:24:15PM -0400, Robert Fitzpatrick wrote:
> I have an old NT4 PIII here that has a pair Adaptec Array1000 Family
> controllers with 2 pairs of identical drives on one of them (2 IBM 9GB
> and 2 Seagate 35GB). From what I googled, *nix does not support the
> controller, so I have removed the RAID arrays and loaded FreeBSD 6.0
> onto the two IBM drives. Now, I wanted to mirror the other two for data
> and looking for guidance as to whether it is first of all suited for
> software RAID and if so, CCD or vinum. I am contemplating vinum because
> the handbook mentions CCD is when cost is the important factor and for
> me, is reliability. What would someone suggest? If vinum, one thing I
> don't quite understand is do I create the partitions to be used in the
> device? There doesn't seem to be a man for gvinum and the link to it in
> the handbook section 19.6.1 is broken.
>
> Thanks in advance.-- Cheng-Lung Sung - clsung@
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