>>Second, I get the feeling you've got a bit of a bee under your bonnet on this topic, since George Tasker (to name one person) has dismissed your conclusions. However, it's a long way to go from, "fragmentation seems to help in some tests I've done in VFP" to "fragmentation helps most applications most of the time". You'll need to do a (hell of a) lot of testing to establish that - testing that will need to be consistent and repeatable (i.e. the scientific method ;-)) Put some real numbers to your assertions.
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>>If you don't think developing a fragmenting algorithm would be hard, then try it. The first step would be to write a hard disk emulator and then simulate read/write operations to it.
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>What is the basis for your last statement?

The lack of an alternative - do you have another suggestion?