AmigaActive (450/1263)

From:Neil Bothwick
Date:9 Jul 2001 at 10:43:02
Subject:Re: ReOrg/PFS3

Alan Buxey said,

> hi,

>> All this talk about defragging a PFS3 partition: somewhere along the line I
>> had gotten the impression that the way PFS works, a fragmented partition was
>> not a major problem ie. wouldn't happen very much, or would sort itself
>> out...

> you very very rarely need to defrag a PFS partition....but some people
> whove got too used to FFS think you do.

you can fragment a PFS3 partition, if you fill it up. If there isn't
sufficient contiguous free space to save a new copy of a file, it will
be fragmented whatever filesystem you use.

>> Obviously not, if someone's bothered to write a programme, but is there any
>> truth in what I had thought?

> you dont even need a special defragger....you just move files off the disk
> then put them back on..... so a simple copy script would do the
> job...safer ;-)

That's what PFS-Defrag does. But first it runs Diskvalid to determine
which files are fragmented and need to be copied. It also preserves all
protection bits, which a normal copy operation doesn't.

Cheers

Neil



Neil Bothwick - New Media Editor, Amiga Active Magazine

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