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Mac OS X  |  System / Utilities  |  Maintenance / Optimization  |  iDefrag

iDefrag

iDefrag - 1.04

defragmentation & disk optimization

All Time: (4.0)
Version 1.04: (5.0)
Selected Version: 1.04
Release Date: 2005-01-07
License: Update
Downloads (version 1.04): 1,814
Downloads (all versions): 144,825
Price: $30.00

Information Related to Version:

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Product Description:

Advanced Mac OS X disk defragmentation and optimization. Supports the very latest features of HFS+, including journaling, case sensitive filenames and adaptive hot file clustering (which means it won't mess-up the Hot Zone).

What's new in this version:

  • List RAIDs and other disks without partition maps in the volume list (previously, such disks would not have been detected as containing HFS filesystems).
  • Improved behaviour of skip large files option for Optimize algorithm.
  • Reduced the frequency of statistics updates and placed it under user control, improving performance for slower machines.
  • Fixed two (non-data-loss) crasher bugs.

Operating System Requirements:

This product is designed to run on the following operating systems:

  • Mac OS X 10.3

Additional Requirements:

  • Mac OS X 10.3 or higher

Screenshots:

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Feedback Summary:

Version 1.04:
Overall Rating: (5.0) Features: (4.0) Support: (4.0)
Ease of Use: (5.0) Quality / Stability: (5.0) Price: (3.0)
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iDefrag Usage TipA warning about iDefrag - Version: 1.7.1, 10/11/2009 11:27AM PST

(2 of 4 users found this comment useful)

jchayes369
Something you might want to consider: iDefrag will not run on a Mac that is running from a cd or dvd. In order for iDefrag to run it must be able to write its licensing key to a specific location in the copy of the Mac OS you booted on. It can't write to a cd or dvd and consequently it can't run when you boot from a typical cd, dvd, TechTool eDrive, etc. Consequently, the only way to iDefrag your normal boot disk is to create an additional bootable partition and start from that or create a "special" boot cd using Coriolis' CDMaker app. That's probably why CDMaker exists at all. That's a lot of garbage to deal with when the real problem is Coriolis System's excessively restrictive licensing scheme, which can prevent legitmately licensed users from performing legimate activities permitted by Coriolis' own license agreement.

Another thing to consider: iDefrag "optimization" really doesn't optimize that well. iDefrag "optimizes" by cramming all your system files together, app files together, data files together, which is a step in the right direction but not true optimization. True optimization involves putting all your Photoshop files together, all your iTunes files together, all your Final Cut files together, so that each application has the files it needs located nearby on the drive. iDefrag just doesn't do that. "Copy/format/copy back" processes do.
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iDefrag ReviewReally Good Solid Utility! - Version: 1.6.9, 7/30/2009 05:47AM PST

(6 of 6 users found this comment useful)

Jokyo777
I have been using this program since it was released. It has never damaged anything and has always improved the performance of my drives.

Apple say that defrag and optimazation is not needed in OSX and that is true ,IF all you do is check you mail each day and surf the net.

If however you do a lot of video work, moving big files about every day then it is indispensable. Not that you need to use it every day, it just depends how much data comes and goes through your drive. Another time would be after a system update. File all over the drive after that.

Also if you need to repartition a drive without losing data then you need to move files to one side of the drive first. This is the only program that does it reliably.

To answer the last poster no it does not do the same as Superduper will to an erased drive. It will make a perfect clone of the drive you are copying with all it's faults or graces.

After using Macs for 15 years everyday there are three programs that I can't live without and are a must.

1. DiskWarrior 2. Superduper 3. iDefrag. And this is not necessarily in the order of importance, it just depends which one saved my ass most recently! Lordy is that the trinity!
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iDefrag CommentaryiDefrag vs. SuperDuper - Version: 1.6.8, 6/8/2009 05:54AM PST

(2 of 6 users found this comment useful)

pendragon
I am not (yet) an iDefrag user, and my knowledge/understanding of defraging/optimization is nil, so I well understand if my question is off base.

SuperDuper allows me the option to erase a drive/volume prior to copying the backup. Doesn’t the erasing accomplish the same thing?

I know iDefrag has more bells and whistles (some are of no benefit to me) and it may defrag faster, but as I use/schedule SuperDuper while I sleep, I see no advantage there.

So for folks such as me, why use iDefrag?

No offense is intended to the developers, I just don’t understand.
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