Sambuca... in pro-tools if you go to Windows --> Workspace you'll see a dialog that will show a "T" beside your Glyph drive... if you CAN'T set it to an "R" close pro tools. - Be sure the drive is formatted Mac OS Extended - Trash ALL Digidesign Database folders on the root of ALL drives on the system - Trash the contents of Macintosh HD/Library/Application Support/Digidesign/Databases/Volumes - Empty your trash - Re-start your mac And you should be able to operate that drive in "R" (Record Mode)