EXT3 vs EXT 4, and data recovery

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2011/12/15 Luke Kuhn <lukekuhn at hotmail.com>:
> EXT 4 seems to support a MUCH faster fsck filesystem check, unless someone
> made big changes to fsck at about the same time (jaunty) that I changed to
> ext4.  This is a big deal for someone with one or more 2 TB disks in their
> home filessytem, for obvious reasons.

It's an ext4 feature. http://en.wikipedia.org/wiki/Ext4#Features