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Q: Time machine backup file size larger than size of backup hard drive.  Is something wrong?

My 3 TB external hard drive (My Book Studio) is my Time Machine drive.  But Finder says that backup.backupdb is 6.9 TB in size, or over twice the drive's capacity.  Should I assume that the drive is corrupt or failing and that I can't rely on Time Machine now?  Or is Finder measuring something other than the actual size of the file...?

MacBook Pro, OS X Mountain Lion (10.8.5)

Posted on Sep 25, 2013 12:25 PM

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Q: Time machine backup file size larger than size of backup hard drive.  Is something wrong?

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