New BSD Installer

[Pete French]

> The problem with mirroring partitions is that you thrash the disk
> during the rebuild after replacing a failed disk.  And the more
> partitions you have, the worse it gets.

yes, this is true - actually I have had this on older
machiens, and have had to stop the rebuilds of each bit until
the other completes for this reason. had forgotten that....

am about to replace a failed drive in one of my 2 gmirror ++ zfs boxes,
so the reminder comes at a good time ;)

-pete.