Prevent Unity Dash from searching specific hard drive

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http://askubuntu.com – I have a hard drive that is exclusively used for storage of music, pictures, movies and that sort of thing. It contains no system files. To conserve power and reduce noise, I have set it to spin down after a certain period of time has passed without any activity. The problem is that whenever I search for anything in the Dash, the hard drive spins back up. I have tried to configure Zeitgeist to not include the hard drive when recording activity[1], but this policy does not seem to be respected. Even though my entire music library is located on the hard drive, I can still search through it via (HowTos)