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how to defrag WDE OSX Main Disk w/out decrypting

Created: 09 Mar 2011

Is there any safe way to optimize and defrag  my HD which is encrytped as WDE.  I am running the latest OSX.  I know I can decrypt, defrag, and encrypt, but that will take days.  If that is the only way then I will do so, but I am hoping for a better way.  Drive Genious now says I have 27% defragmentation and the system is not as snappy as it used to.