Missing space on main drive

sofarsogood

Registered
My son's macbook has OSX 10.4.7, 60gb disk. He has had it for only a few months, and there is lots of missing space on the disk. The free space has dropped steadily from about 45GB to about 17GB, where it is now.

I am a unix guy, so I used find to look for large logfiles, and there were none. df reports 73% used, but when I use du to check directory sizes they only add up to 17G.

After searching through the forum I downloaded WhatSize and ran it. It confirmed just what I found, that the file system has 40G used, but the sum of all the directories is only 16G.

One other thing I noticed. When finder is displayed and I click back and forth between directories the free space counter goes down - for instance, if I go back and forth between applications and applications/utilities 3 or 4 times the free disk space drops .01 GB. This is repeatable.

Does this sound normal? I can't account for the 40+GB missing. My vm files are normal (64MB each). Missing space seems to be growing steadily. Does this sound normal?
 

Thanks for the suggestion. Actually I already found this posting and tried everything it suggested, but no luck. There are no large files, and WhatSize reports 40 GB used in the main FS, but the sum of sizes of all the dirs is only 16GB. The space is somehow being removed from the free list but not being added into the file system.

And I will try Onyx to see if it shows anything.
 
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