In message <20020304051516.GE7107@widomaker.com>, Charles Shannon Hendrix write
>Anyone have any experience with these machines and 18 or 36 GB drives?

I am using an internal 18GB with no problems.

>Will I gain any benefit by using another SCSI controller for the new drives,
>or will it really matter?

If it's a faster controller, I think it will.

>The only document I could find mentioning a limit on hard drive size
>said it was 4.5GB, which my 9GB drives obviously demonstrate is wrong.

It's probably long-obsolete; documentation tends to be.

From my SS5 (internal drives only):
$ df -k
Filesystem  1K-blocks     Used     Avail Capacity  Mounted on
/dev/sd0a      127266    23273     97629    19%    /
/dev/sd0d     1015873     3303    961776     0%    /var
/dev/sd0g     2977171   142070   2686242     5%    /usr
/dev/sd0e     4065313  1373785   2488262    35%    /usr/src
/dev/sd1h    17370915   213556  16288813     1%    /home
kernfs              1        1         0   100%    /kern
procfs              4        4         0   100%    /proc

-s