The balance of the modules are best run after you backup your data, in case of unexpected problems. Scan, Integrity Check, and Benchtest run read and write tests on your hard drive. They check for bad blocks, the health of your hardware, and in Benchtest, test the drives read and write speeds. That's one good reason to make sure you have a good backup or copy of your drive on hand.Īs these tests sort of hammer on your drive, any electrical interruption or serious drive problem can result in data loss. The Duplicate module can create a backup for you, but as with many of these tools, it will not copy your current start-up drive unless you start from a different drive. Duplicate creates a bit-by-bit copy of your drive, so you must use a blank drive of equal or greater size to use it. Personally, I prefer Carbon Copy Cloner or SuperDuper! to backup my drives, but including a backup module in Drive Genius just makes sense. It's actually best to use the Drive Genius startup disk from which to run most of the tools. These tests chew through quite a bit of time, so make sure you run the programs when you don't need the machine for a number of hours. The problem I often solve using Drive Genius 3 is a slow drive and one that mysteriously is eating up space at a surprising rate. That's where DriveSlim and Defrag come in handy.ĭriveSlim is useful to search for large files, duplicate files over 1 MB, Unused Localizations (language files you don't need), Universal Binaries, and Cache and Temporary files you no longer need. I'm not quite sure I understand how it works though. I wasn't happy with the way DriveSlim displays the information, I found that it showed duplicates that were not, but only with files over 320 MB.
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