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Date: Wed, 21 May 1997 02:08:00 -0700 (PDT)
From: Shawn Ramsey <shawn@luke.cpl.net>
To: Soren Dossing <sauber@netcom.com>
cc: questions@freebsd.org
Subject: Re: rm is slow
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> rm deletes files very slowly on my system, much slower than the files can
> be created. It takes more than an hour to delete one GB of files.
> 
> Why is that, and is there anything I can do to speed it up ? I use a P200
> system with a A2940UW controller. The freebsd version is 2.2.2 - are there
> any kernel configurations that I should set, to speed file deletion up.
> 
> Or do any utilities exist, that can delete files faster ?

Try mount -o async /dev/filesystem if you really want to speed things up,
but in a crash it CAN screw up your filesystem much better than default.