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Please explain why :confused:
My guess would be because the HD movie files would be above 4 GB, and Fat32 drives wont allow files of that size to be stored on the drive.
Exactly. Because .mkv makes a single file for the entire film, it will be over the 4 GB limit of fat32. A VIDEO_TS folder has everything in nice 1 GB chunks, so that it works fine with fat32 formatted disks.
 
My guess would be because the HD movie files would be above 4 GB, and Fat32 drives wont allow files of that size to be stored on the drive.

that is right, i forge that Fat32 has a file size limit. now that Lion supports exFat and that format supports files larger than 4gb people could use that format if desired.
 
My next question and this seems like it should be simple. As I rip all my DVD's I want to store them on an external HD. How does this work with iTunes. I have a 2009 Mac Book Pro, with 113gb of music, and now 15gb of movies and that will grow very quickly. My internal HD is only 250 gb, and is rapidly getting very close to capacity. If I move all my movies to an external HD will iTunes just recognize that external when I plug it in, or are there steps I need to take to make sure it sees the files? I also have a TM and have read a few threads that suggest I could plug in my externals to it and have access to the files through streaming through the TM.

I have a folder organization in an external drive. I set HB to put the archived media in the appropriate folder. I can then play that archived media with VLC and AirPlay it throughout my wifi. Only if I want the convenience of having it on my iPad or other apple device do I import it to iTunes and synch it with a device. When I have viewed it I take it out of iTunes and off the device. It remains in my external library ready to be air played or imported and synched at a future time. This allows a robust media library and a modest sized iTunes library. Works for me YMMV
 
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