Or buy a 3.1 ROM/Workbench to your 600.
This way you can use HD up to 4Gb (without patches) or even up to 127Gb (with patches).
If you don't want buy a new ROM, use up to 2Gb (ROM 2.0 limit) of your HD. No, SFS don't run on 68000 CPU. Only with 020 and up.