Handling ‘Overlapped Extent Allocation’ Errors
Posted September 28th, 2006 @ 09:45am by Erik J. Barzeski
Simple enough: you can delete the offending files. If they're not truly system critical, you'll at least be able to boot and restore them from a backup.
This problem has caused the downfall (necessitating reformatting - not complete death) my hard drives on a few occasions. Now I know how to fix it.