挂载操作失败，但由于 NAT 服务转换 IP 地址，权限被拒绝
适用场景
- ONTAP 9
- Data ONTAP 7-模式
- 网络地址转换（ Network Address Translation ， NAT ）服务。
问题描述
- 尽管存储和客户端端的权限设置正确，但挂载操作仍会失败，并显示 "permission denied"
[root@linux1 ~]# mount -t nfs -o vers=3,tcp 10.20.30.40:/vol -vvvmount.nfs: timeout set for Mon Dec 7 16:28:48 2020mount.nfs: trying text-based options 'vers=3,tcp,addr=10.20.30.40'mount.nfs: prog 100003, trying vers=3, prot=6mount.nfs: trying 10.20.30.40 prog 100003 vers 3 prot TCP port 2049mount.nfs: prog 100005, trying vers=3, prot=6mount.nfs: trying 10.20.30.40 prog 100005 vers 3 prot TCP port 635mount.nfs: mount(2): Permission deniedmount.nfs: access denied by server while mounting 10.20.30.40:/vol- 环境中使用 NAT 服务来屏蔽客户端 IP 地址。