NFS LUN:120G
Used Storage: 50G（Only one VM on one lun.）
However
ESXi Configuration Storage Datastores
Used 90G
Free 30G
SSH：
du -h or ls -al -h
all files:only 50G
df -h
Size Used Available ...
120G 90G 20G ...
Storage：
NETAPP NAS
Could you help explain why this happens and what can be done to resolve this?