# 创建共享目录

[root@MiWiFi-RA69-srv ~]# mkdir /mnt/nfs

# 创建nfs共享

[root@MiWiFi-RA69-srv ~]# cat /etc/exports
/mnt/nfs *(rw,no_all_squash,no_root_squash,insecure,sync,no_wdelay)

# 启动服务

[root@MiWiFi-RA69-srv ~]# systemctl restart rpcbind.service
[root@MiWiFi-RA69-srv ~]# systemctl restart nfs.service

# 查看共享

[root@MiWiFi-RA69-srv ~]# showmount -e localhost
Export list for localhost:
/mnt/nfs *

# 客户端挂载

[root@MiWiFi-RA69-srv cifs]# showmount -e 192.168.31.183
Export list for 192.168.31.183:
/mnt/nfs *
[root@MiWiFi-RA69-srv cifs]# mkdir /mnt/nfs
[root@MiWiFi-RA69-srv cifs]# mount -t nfs 192.168.31.183:/mnt/nfs /mnt/nfs

[root@MiWiFi-RA69-srv cifs]# df -T
Filesystem              Type     1K-blocks      Used Available Use% Mounted on
devtmpfs                devtmpfs   1926528         0   1926528   0% /dev
tmpfs                   tmpfs      1809260        12   1809248   1% /dev/shm
tmpfs                   tmpfs      1809260    190492   1618768  11% /run
tmpfs                   tmpfs      1809260         0   1809260   0% /sys/fs/cgroup
/dev/xvda3              xfs       17814528  11200964   6613564  63% /
/dev/xvda1              xfs        1038336    133500    904836  13% /boot
tmpfs                   tmpfs       361852         0    361852   0% /run/user/0
//192.168.31.244/iso    cifs     209713148 133600280  76112868  64% /mnt/cifs
192.168.31.183:/mnt/nfs nfs4      17814528  15722496   2092032  89% /mnt/nfs

客户端性能问题参考：
https://help.aliyun.com/document_detail/184789.htm
如何修改同时发起的NFS请求数量 部分内容

echo "options sunrpc tcp_slot_table_entries=128" >> /etc/modprobe.d/sunrpc.conf
echo "options sunrpc tcp_max_slot_table_entries=128" >>  /etc/modprobe.d/sunrpc.conf
sysctl -w sunrpc.tcp_slot_table_entries=128