server1% wc *
...
8484374 56684310 2050292731 total
server1% du .
2007440 .
server1% du -h .
2.0G .
I rsynced that dir to another server and did a quick check to make sure I had all the data:
server2% wc *
...
8484374 56684310 2050292731 total
server2% du .
660872 .
server2% du -h .
646M .
It took a quite bunch of digging and checking before I remembered server2 has a ZFS disk with compression turned on.
