Multiple cluster sizes on a single volume?

it's been 10 years and I've yet to hear of a filesystem that uses multiple cluster sizes on the same volume. Otoh, I don't see what benefit that could possibly give.

With multiple cluster sizes on the same volume, you can do tailpacking.

Ext-series filesystems had a different block and fragment size, but never actually used it. Quite possible that was removed in ext4, although I'm not really sure.

OLE Structured Storage actually uses two different block sizes (small block and big block).


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