Thread: What Is SFS?
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Old 09 May 2009, 16:42   #3
Precious & fragile things

Join Date: Feb 2009
Location: Victoria, Australia
Posts: 1,945
Originally Posted by alexh View Post
All three are file systems. The method and arrangement of data on the hard drive and in memory. The software for accessing data stored within the file system is kept on the hard drive and run at boot. Before you can use a particular file system this software must be installed on the hard drive (into the RDB?)

As well as the file system the hard disk driver plays an important part in compatibility with larger disks. The hard disk driver is usually store in ROM, either in the Kickstart ROM for Amiga's with integrated hard drive controllers or a separate ROM on the hard disk interface card.

You need both the file system and the hard disk driver to be capable of accessing larger hard drives and using larger partitions.

For a B2000 which has no integrated hard disk controller, the first thing to do is find out which hard disk controller you have. Then determine which version of its hard disk driver is in it's ROM.

If it is early then you may have to replace the ROM in order to access big hard drives.

SFS needs an 020+ CPU and so unless you have an accelerator in your B2000 you cannot use it.

FFS has been upgraded over the years and the latest version (45.13 + patch) will support larger partitions with an appropriate hard disk controller + driver. Dunno if this is 68000 compatible.

PFS3 is the last version of PFS and it has a 68000 version and so can be used with a B2000 and appropriate hard disk controller + driver.

One final word of caution. In order to create partitions of a particular file system (yes you can have different file systems for different partitions on the same physical hard drive) you must use a partitioning tool. Such as HDToolbox. Unfortunately some versions of HDToolbox also suffer from incompatibilities with bigger hard drives. You must use later versions or a 3rd party alternative to successfully create partitions.
Accelerator I have, a GVP '030 Combo board, so I should be able to use SFS, now what are the requirements?

I would think that SFS stood for Slow File System, as opposed to Fast File System and Professional File System and whilst I appreciate your answer, could the benefits and detriments of each system be outlayed here?

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