vinum, rsync, or rdump? which is better for me?

[Greg 'groggy' Lehey]

On Friday,  4 April 2003 at 20:47:36 -0800, Christopher Turner wrote:
> Hello,
>
> I'm setting up a new machine that will need hard drive redundancy.  I'm
> looking for the most efficient way to keep a second hard drive that i could
> quickly use to return the machine to functionality(without a disparity in
> data between the two) should the main one fail.
>
> I've looked into rsync, rdump, and vinum but i'm uncertain of the most
> applicable method for my situation.
>
> I have two 40G hard drives.  I will be running database, www, and mail apps
> on this machine.  I don't plan on using the second drive for anything but
> backing up the first one and being able to use it as primary if the first
> one fails.
>
> Which application appears to be best for me?  

Of those, Vinum is obviously the way to go.  The others don't give you
up-to-date consistency.

> Are there any other programs that would suit me?

RAIDFrame is an alternative.

> What would be a good way to initialize the second hard drive for
> mirroring?

If you use Vinum, see http://www.vinumvm.org/.

Greg
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