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20MB. what?
Authored by: xoxota on Sep 29, '10 07:30:39AM

So, all this time I've been naively assuming that Snow Leopard had my back, vis-a-vis the automagical defragmentation of my hard drive. Now you're telling me it won't defrag files larger than 20MB?

I don't know about you, but that's about 90% of the files on my hard drive.

So I googled "How to defrag your mac hard drive". And got "about 621,000 results", all telling me that I don't need to do this, since Mac OSX will do it on it's own!

Seriously. How do I defrag my drive?

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20MB. what?
Authored by: asmeurer on Sep 29, '10 08:22:52AM

Maybe it's 90% of the space, but I kind of doubt it's 90% of the files.

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20MB. what?
Authored by: tokai on Sep 30, '10 02:26:29PM

You can buy the 3rd-party application iDefrag for a few bucks. It does its job well; at least for me.

The real problem with fragmentation isn't so much fragmented files as the files being cluttered all over the disk; causing lots of seeking back and forth on the drive. For that reason I regularly defragment and optimize my drive; else the hard disk in my Mac mini gets too noisy and annoying (you can hear it in a silent room when it seeks extremely on a frequent base).


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