Gathered following logs
=== Disk Space ===
=== Disk Space ===

=== Disk Space ===
Filesystem                      Size  Used Avail Use% Mounted on
/dev/mapper/mythbuntu--vg-root  455G  3,1G  429G   1% /
none                            4,0K     0  4,0K   0% /sys/fs/cgroup
udev                            2,0G  4,0K  2,0G   1% /dev
tmpfs                           393M  1,3M  392M   1% /run
none                            5,0M     0  5,0M   0% /run/lock
none                            2,0G   72K  2,0G   1% /run/shm
none                            100M   12K  100M   1% /run/user
/dev/sda1                       236M   35M  189M  16% /boot
/dev/sr0                        3,2G  3,2G     0 100% /media/calogero/ESD-ISO