Filesystem      1K-blocks       Used Available Use% Mounted on
udev              4005916          0   4005916   0% /dev
tmpfs              805740       2104    803636   1% /run
/dev/md1        491893592  426552968  40330816  92% /
tmpfs             4028680     230672   3798008   6% /dev/shm
tmpfs                5120          4      5116   1% /run/lock
tmpfs             4028680          0   4028680   0% /sys/fs/cgroup
/dev/sdb4      2387910056 2194466644  72121532  97% /media/av2
/dev/md0           235691     183367     35848  84% /boot
/dev/sda4      2387910056 2146593128 119995048  95% /media/av1
tmpfs              805736        180    805556   1% /run/user/1000
tmpfs              805736          0    805736   0% /run/user/0