chris@hydrogen:/$ sudo mount -a
chris@hydrogen:/$ df -h
Filesystem      Size  Used Avail Use% Mounted on
/dev/sda1       212G   30G  171G  15% /
none            4.0K     0  4.0K   0% /sys/fs/cgroup
udev             12G   12K   12G   1% /dev
tmpfs           2.4G  1.6M  2.4G   1% /run
none            5.0M     0  5.0M   0% /run/lock
none             12G  4.0K   12G   1% /run/shm
none            100M     0  100M   0% /run/user
/dev/sdb1       2.7T  2.3T  323G  88% /media/data1
/dev/sdc1       3.6T  3.1T  476G  87% /media/data2
/dev/sdd1       3.6T  3.5T   86G  98% /media/data3
/dev/sde1      1003K   17K  915K   2% /media/data4