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  1. #1
    How do I defragment a volume?

    Member Since
    Dec 15, 2008
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    How do I defragment a volume?
    [useless background]
    So I've been messing around with sound file replacement in video games with my SD card, and been getting stupid staticy sounds. I checked with my friends in the same branch, and they all said the same thing-"you need to defrag your SD card".
    [/background]

    So I need do defragment my SD card. The problem is, I've been looking around for apps that will do this, and I'm coming up with nothing.

    Is there any free application that will defragment a volume on my macbook? I'm using 10.5.4 leopard (intel).

  2. #2
    How do I defragment a volume?
    MYmacROX's Avatar
    Member Since
    Mar 17, 2009
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    3,626
    Specs:
    2008 15" MBP Yosemite, 2012 21.5" iMac Yosemite
    iDefrag. Not free, but there is a free demo version.
    64GB iPhone 6, 64GB iPad Air 2.

    Reminder: Please include your Mac's specs. This will make it much easier for the other members to assist you.

  3. #3
    How do I defragment a volume?

    Member Since
    Mar 30, 2004
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    USA
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    4,744
    Specs:
    12" Apple PowerBook G4 (1.5GHz)
    Free option...back it up, and then just format it

  4. #4
    How do I defragment a volume?

    Member Since
    Dec 15, 2008
    Posts
    34
    iDefrag did not work, it was the first thing that came up and it refused to touch the volume. Same with the Drive Genius 3.0 demo.

    @Technologist: if that'll work...

  5. #5
    How do I defragment a volume?
    chscag's Avatar
    Member Since
    Jan 23, 2008
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    Fort Worth, Texas
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    Specs:
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    Neither iDefrag or Drive Genius will attempt to defrag a SD card, CF card, or any other type of removable flash media.

    You can erase and format it as suggested, but don't use Disk Utility as it will create two partitions on the SD card in the process. You'll wind up with a small 200 MB partition and the rest as a single large partition. That might render the card useless. If you really want to format it, use Disk Manager from Windows (as long as the card does not exceed 32 GB) and you should be OK.

    BTW, SD cards are normally formatted to FAT.

    Regards.

  6. #6
    How do I defragment a volume?

    Member Since
    Dec 15, 2008
    Posts
    34
    Basically every option takes virtually forever. And it refragments almost immediately. Urge to kill rising...

  7. #7
    How do I defragment a volume?
    weemax's Avatar
    Member Since
    Apr 30, 2010
    Location
    United Kingdom
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    Specs:
    Imac 21.5" 3.06GHz 4GB RAM NVIDIA GeForce 9400
    Quote Originally Posted by chscag View Post
    Neither iDefrag or Drive Genius will attempt to defrag a SD card, CF card, or any other type of removable flash media.

    You can erase and format it as suggested, but don't use Disk Utility as it will create two partitions on the SD card in the process. You'll wind up with a small 200 MB partition and the rest as a single large partition. That might render the card useless. If you really want to format it, use Disk Manager from Windows (as long as the card does not exceed 32 GB) and you should be OK.

    BTW, SD cards are normally formatted to FAT.

    Regards.
    Permanently?
    Imac 21.5" 3.06GHz * 16GB iPhone 4 OS5 * No apple knowledge

  8. #8
    How do I defragment a volume?
    cwa107's Avatar
    Member Since
    Dec 20, 2006
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    Lake Mary, Florida
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    Specs:
    15" MBP, Core i7/2GHz, 8GB RAM, 480GB Crucial M500 SSD
    Why would you defrag flash memory? There's no moving parts. It's not like you're waiting for the heads to jump back and forth across a platter. As I understand it, defragmenting any kind of flash shortens its usable life by doing lots of unnecessary writes.
    Liquid and computers don't mix. It might seem simple, but we see an incredible amount of people post here about spills. Keep drinks and other liquids away from your expensive electronics!

    https://youtu.be/KHZ8ek-6ccc

  9. #9
    How do I defragment a volume?
    chscag's Avatar
    Member Since
    Jan 23, 2008
    Location
    Fort Worth, Texas
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    45,216
    Specs:
    27" iMac i5, 3.2 GHz, iPad 3, iPhone 5c, iPhone 6+, 3 iPods, Yosemite
    To weemax:

    No. The damage to the card can be fixed but the process is convoluted and confusing and has to be done from a Windows command line prompt.

    But as cwa107 points out, flash media is not designed to be defragmented and can actually shorten its life.

    Regards.

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