Filesystem                   1K-blocks       Used Available Use% Mounted on
udev                          18504204          0  18504204   0% /dev
tmpfs                          3705956      10164   3695792   1% /run
/dev/mapper/ubuntu--vg-root  695159600  289781368 370043064  44% /
tmpfs                         18529772        228  18529544   1% /dev/shm
tmpfs                             5120          4      5116   1% /run/lock
tmpfs                         18529772          0  18529772   0% /sys/fs/cgroup
/dev/sdc1                       482922     130456    327532  29% /boot
/dev/sdb1                   1922197336 1694367248 130165116  93% /srv/bkup
/dev/sda                    3845041200 3019361052 630340272  83% /srv/wrk
tmpfs                          3705956         68   3705888   1% /run/user/1000
/dev/sdd1                   1922728752  979605848 845430848  54% /media/kim/SP2TB_Apr17