Path: utzoo!mnetor!uunet!husc6!uwvax!puff!avery
From: avery@puff.cs.wisc.edu (Aaron Avery)
Newsgroups: comp.sys.amiga.tech
Subject: Re: Fast File System for floppys ... how to.
Message-ID: <1681@puff.cs.wisc.edu>
Date: 7 May 88 19:03:06 GMT
References: <30793@amdahl.uts.amdahl.com> <5888@well.UUCP> <861@imagine.PAWL.RPI.EDU>
Reply-To: avery@puff.WISC.EDU (Aaron Avery)
Organization: U of Wisconsin CS Dept
Lines: 15

In article <861@imagine.PAWL.RPI.EDU> jesup@pawl15.pawl.rpi.edu (Randell E. Jesup) writes:
>	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 take it an explicit 'DiskChange' would not be sufficient to take care of this
since FFS 'doesn't understand removable media. But, do you know if FFS 
understands the ACTION_FLUSH packet? If so, a simple program which sends this
packet to the FFS could make changing disks 'safe(er)'.

-- 
Aaron Avery (avery@puff.cs.wisc.edu)
	    ({seismo,caip,allegra,harvard,rutgers,ihnp4}!uwvax!puff!avery)