Amitai Schlair wrote:

> I'll post a write-up once I've been doing backups this way for a few
> weeks.

It hasn't been a few weeks yet, but I've tested this fairly well:

<URL:http://netbsd.schmonz.com/backups-with-raid/>

Comments welcome. If this is deemed worthy for inclusion into the Guide, 
cool.

- Amitai