hdiutil create -size 100g -type SPARSEBUNDLE -nospotlight -volname "iMovie Events" -fs "Case-sensitive Journaled HFS+" -verbose iMovieEvents.sparsebundle
hdiutil create -size 100g -type SPARSEBUNDLE -nospotlight -volname "iMovie Events" -fs "Case-sensitive Journaled HFS+" -verbose iMovieEvents.sparsebundle