What is /dev/mapper/cos-root ? I am not sure why this keeps happening. /home is far from full, where all user data is stored. I clear out /tmp with tmpwatch, I removed old logs in /var/log and any unnecessary files.
Code:
Filesystem Size Used Avail Use% Mounted on
/dev/mapper/cos-root 400G 210G 191G 53% /
devtmpfs 9.8G 0 9.8G 0% /dev
tmpfs 9.8G 0 9.8G 0% /dev/shm
tmpfs 9.8G 1009M 8.8G 11% /run
tmpfs 9.8G 0 9.8G 0% /sys/fs/cgroup
/dev/sda1 243M 187M 43M 82% /boot
tmpfs 2.0G 0 2.0G 0% /run/user/0Code:
[root@test /]# du -sh /*
0 /bin
186M /boot
0 /dev
91M /etc
0 /home
0 /lib
0 /lib64
0 /media
0 /mnt
0 /opt
du: cannot access ‘/proc/6095/task/6095/fd/4’: No such file or directory
du: cannot access ‘/proc/6095/task/6095/fdinfo/4’: No such file or directory
du: cannot access ‘/proc/6095/fd/4’: No such file or directory
du: cannot access ‘/proc/6095/fdinfo/4’: No such file or directory
0 /proc
68K /root
1009M /run
0 /sbin
0 /srv
0 /sys
4.0K /tmp
1.6G /usr
208G /var
4.0K /test