df-h 10 july 2019

Filesystem                             Size  Used Avail Use% Mounted on
udev                                   7.7G     0  7.7G   0% /dev
tmpfs                                  1.6G  4.3M  1.6G   1% /run
/dev/md0                               887G   30G  813G   4% /
tmpfs                                  7.7G     0  7.7G   0% /dev/shm
tmpfs                                  5.0M     0  5.0M   0% /run/lock
tmpfs                                  7.7G     0  7.7G   0% /sys/fs/cgroup
192.168.10.4:/volume1/backup_kbnjukut  1.8T  1.5T  276G  85% /mnt/backup
tmpfs                                  1.6G   28K  1.6G   1% /run/user/125
tmpfs                                  1.6G   60K  1.6G   1% /run/user/1000
tmpfs                                  1.6G     0  1.6G   0% /run/user/0