In setting up my new A3000 I've had to connect the SCSI drive to my linux box just tonight, so your question is well timed!

nik@desktop:~$ sudo mkdir ~/mnt/dh0
nik@desktop:~$ sudo mount -t affs -o setuid=1000 /dev/sdc1 ~/mnt/dh0
nik@desktop:~$ ls ~/mnt/dh0
C Expansion.info Prefs.info System.info Utilities
Classes Fonts Rexxc T Utilities.info
Devs L S Tools WBStartup
Devs.info Libs Storage Tools.info WBStartup.info
Disk.info Locale Storage.info Trashcan
Expansion Prefs System Trashcan.info