Tuning an ext3 filesystem for storing large media files

I added a new hard disk to my MythTV box, specifically for storing movies copied from my DVD collection. Because this disk will be used for storing mostly files that will be in the 1-4GB size range, and because it is NOT going to be used as the root (/) drive of this computer, I set the sparse_super and largefile4 settings, plus reserved zero space for the superuser (-m 0) with the following command:

 
mkfs -t ext3 -m 0 -O sparse_super -T largefile4 /dev/sdb1

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