Archive for the 'Systems Administration' Category

On Defragmenting OS X

Posted in Advanced, How To, Mid-level, Systems Administration, WGN Radio Show Notes | by gray - May 3rd, 2006

Jim called with a question about whether or not it’s safe to defragment an OS X G4 journaled hard drive. He has a sawtooth G4 tower.

OS X’s built-in disk optimization method, in fact, only works for volumes that are formatted in HFS+ and *have journaling turned on.* So, this means in most cases it’s not necessary to defrag your hard drive if you have journaling turned on with OS X 10.2 or later.

Apple has an informative article on OS X fragmentation located here:

http://docs.info.apple.com/article.html?artnum=25668

Want to optimize your Mac OS X 10.4.2 or later system? Try OnyX, a free utility available here:

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