image used space


Sep 21, 2016
i have a vm its image is vmdk.
in th vm when i used df -h the used space of hard disk is about 5 gig

peiman@s1:/var/www/html$ df -h
Filesystem               Size  Used Avail Use% Mounted on
udev                     3.9G     0  3.9G   0% /dev
tmpfs                    798M  640K  798M   1% /run
/dev/mapper/s1--vg-root  314G  4.9G  293G   2% /
tmpfs                    3.9G     0  3.9G   0% /dev/shm
tmpfs                    5.0M     0  5.0M   0% /run/lock
tmpfs                    3.9G     0  3.9G   0% /sys/fs/cgroup
tmpfs                    798M     0  798M   0% /run/user/1000

but when i use ls in main server

root@:/var/lib/vz/images/101# ls -l
total 15510700
-rw-r----- 1 root root 15920594944 Jun  7 21:52 vm-101-disk-0.vmdk

it used about 15 gig.
how can i clean the vm hard disk to reduce the 15 gig to a lower value !?


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