How do you duplicate a drive?

[Steve Bertrand]

>
> I have a RAID mirror (2x 160GB) which I would like to back up onto a
> spare
> 160GB drive.
>
> I do not have a hot-swap caddy so I was planning on powering down the
> system to get the backup drive in and out.
>
> But once I have the new blank drive in, what is the best way to
> duplicate
> the RAID? Ideally I would like to create a disk that could boot the
> system
> (and rebuild the RAID) in case disaster strikes.
>
> Can dd do this?

# man rsync

Steve

>
> I am new to Unix disk operations... Many thanks in advance for the
> help.
>
>
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