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  1. #1
    Barefoot on the Moon! silver trophy
    Force Flow's Avatar
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    Defrag utilities for OSX

    You do guys know of any hard drive defrag utilities (for external drives) that are supported on a mac running OSX? Preferably freeware/opensource, but I'll take what I can get.

  2. #2
    ☆★☆★ silver trophy vgarcia's Avatar
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    Everything I've ever been told about OS X says that you don't need to defrag.

  3. #3
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    The O/S drive, no. And I agree there. But what about external drives?

  4. #4
    SitePoint Wizard dreamscape's Avatar
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    Any file less than 20MB, since OS X 10.3 it automatically defrags the file when you access it.

    Files you don't access a lot might become badly fragmented, but then who cares, you aren't accessing them and when you do, the system will defragment them.

    Files over 20 MB are the other problem, but most people don't have very many of these. Usually you only work with a lot of files that size or larger if you do video or audio work. Here, you'll either need a 3rd party tool, or more commonly people usually work on a project on an external drive, when they are done they archive it, and format the drive for the next project. No need to worry about fragmentation this way.

    As long as your external drive is the standard OS X format, then files under 20 MB should automatically be defragmented for you when accessed.

    However, should you require or need a 3rd party defragging app, there are some such as iDefrag and TechTool Pro.

  5. #5
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    Quote Originally Posted by Force Flow
    The O/S drive, no. And I agree there. But what about external drives?
    Don't bother. OSX, Linux, Unix and BSD don't need you to defrag. They have good filesystems, Fat32 and NTFS are chaotic.

  6. #6
    Barefoot on the Moon! silver trophy
    Force Flow's Avatar
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    Gotcha. Thanks guys


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