Comments:	Authenticated sender is <alaric+abwillms AT sdps DOT demon DOT co DOT uk>
From:	"Alaric B. Williams" <alaric AT abwillms DOT demon DOT co DOT uk>
To:	Mark Habersack <grendel AT hoth DOT amu DOT edu DOT pl>
Date:	Tue, 22 Apr 1997 20:59:46 +0000
MIME-Version:	1.0
Subject:	Re: Usage of directory entries
Reply-to:	alaric AT abwillms DOT demon DOT co DOT uk
CC:	Matthias DOT Paul AT post DOT rwth-aachen DOT de, opendos-developer AT delorie DOT com
In-reply-to:	<199704210823.KAA17896@math.amu.edu.pl>
References:	<861394882 DOT 116759 DOT 0 AT abwillms DOT demon DOT co DOT uk>
Message-ID:	<861739004.1127939.0@abwillms.demon.co.uk>

On 21 Apr 97 at 10:24, Mark Habersack wrote:
> Once upon a time (on 18 Apr 97 at 21:24) Alaric B. Williams said:

> > Fragmentation can be solved by moving fragmented files (found when the filer
> > notes that accessing a certain file has entailed a lot of extent seeks) into
> > contiguous areas from time to time, a sort of background defrag that works
> > on individual files when it feels the need.

> Slooow! It seems really slow!

Mark thinks all my ideas will be really slow! Peasant! Grr!!! (Only
joking - best of friends really :-)

Seriously, stop and think about it. The defrag thread can run purely 
in idle time, ie it's at a REALLY LOW priority. OTOH, it sits there
invisibly sorting the disks out - so disk access is FAST and NICE!
What's more, it might find disk errors and things while it's at it,
and raise suitable alerts.


ABW
--
Alaric B. Williams (alaric AT abwillms DOT demon DOT co DOT uk)

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