nfs 挂载不成功

错误：

# mount -t nfs 192.168.1.19:/work/nfs_root /mnt

rpcbind: server localhost not responding, timed out

RPC: failed to contact local rpcbind server (errno 5).

修改命令：

# mount -t nfs -o nolock 192.168.1.19:/work/nfs_root /mnt