Path: utzoo!mnetor!uunet!cbmvax!grr
From: grr@cbmvax.UUCP (George Robbins)
Newsgroups: comp.sys.amiga.tech
Subject: Re: Fast File System for floppys ... how to.
Message-ID: <3748@cbmvax.UUCP>
Date: 7 May 88 17:52:59 GMT
References: <30793@amdahl.uts.amdahl.com> <5888@well.UUCP> <861@imagine.PAWL.RPI.EDU>
Reply-To: grr@cbmvax.UUCP (George Robbins)
Organization: Commodore Technology, West Chester, PA
Lines: 26

In article <861@imagine.PAWL.RPI.EDU> jesup@pawl15.pawl.rpi.edu (Randell E. Jesup) writes:
> In article <5888@well.UUCP> ewhac@well.UUCP (Leo 'Bols Ewhac' Schwab) writes:
> >In article <30793@amdahl.uts.amdahl.com> kim@amdahl.uts.amdahl.com
> >(Kim DeVaughn) writes about how to make the fast filesystem work on
> >floppies.
>
> 	Even worse:  it's almost guaranteed to fail eventually, because as
> Steve Beats said at Devcon:  FFS doesn't understand removable media, therefor
> it probably doesn't dump buffers when a disk is removed.  This could cause
> disks to be destroyed if you EVER change disks (of course, it might not too.
> BUT DON'T TRUST IT NOT TO KILL DISKS IF YOU PLAY THESE TRICKS!)

I think Steve allows that the diskchange command would allow you to safely
remove the disks, however since the normal user has become habituated to
popping disks in and out like a electrified toaster, it quite likely you'ed
get burned at least a few times before the new rules sink in. 

I don't know how much sense using the FFS on floppies makes, however if you
want to try it, proceed with caution and pass the warnings along to your
friends in addition to any glowing "100 times faster" reports...


-- 
George Robbins - now working for,	uucp: {uunet|ihnp4|rutgers}!cbmvax!grr
but no way officially representing	arpa: cbmvax!grr@uunet.uu.net
Commodore, Engineering Department	fone: 215-431-9255 (only by moonlite)