The volume-snap objects filled up all the disk space. #13595

df -h /var/mnt/longhorn
Filesystem      Size  Used Avail Use% Mounted on
/dev/vdb        3.9T  3.9T     0 100% /var/mnt/longhorn

ls -lh /var/mnt/longhorn/replicas/pvc-2db2c057-8ae6-4e14-bed3-1653fed504c2-f254ae4c/
total 3.9T
-rw-r--r--. 1 root root 2.0T Jul 23 06:19 volume-head-002.img
-rw-r--r--. 1 root root  178 Jul 23 02:31 volume-head-002.img.meta
-rw-r--r--. 1 root root 2.0T Jul 23 02:31 volume-snap-973c623f-d350-4d91-8ddc-59805869d391.img
-rw-r--r--. 1 root root  210 Jul 23 02:40 volume-snap-973c623f-d350-4d91-8ddc-59805869d391.img.meta
-rw-r--r--. 1 root root 2.0T Jul 23 06:19 volume-snap-d286491b-3008-490b-b5d0-3cbce280c3fc.img
-rw-r--r--. 1 root root  158 Jul 17 04:29 volume-snap-d286491b-3008-490b-b5d0-3cbce280c3fc.img.meta
-rw-r--r--. 1 root root  197 Jul 23 02:40 volume.meta