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I am looking for a filesystem suited for a few (no more than 5 or so) large-ish files (ranging from 10GB-100GB). The files are already compressed (sparse support not needed).

The FS will be used to format a truecrypt container. The filesystem will occupy the entire container and the container will be sized to its contents.

I have been considering XFS for its large file handling but it does seem to provide more features than I need. Are there any really lightweight solutions or is XFS the way to go?

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Why not EXT4? It has the same extents structure for files as XFS. – Dan D. Sep 4 '13 at 7:29

You need a large block size to minimize seek times and improve throughoutput, in any case it is not htat clear that you will get a noticeable improvement. Read this:

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