我有一个运行 18.10 的存储服务器，今天内核更新了，由于它运行的是 AMD CPU，我认为它会给我带来好处。安装很顺利，但之后从该服务器获取存储的其他服务器无法连接。错误消息是：
Job for nfs-server.service canceled.
这是我的 nfs-kernel-service 的状态：
nfs-server.service - NFS server and services
Loaded: loaded (/lib/systemd/system/nfs-server.service; enabled; vendor preset: enabled)
Active: failed (Result: exit-code) since Fri 2019-05-17 06:54:19 UTC; 2min 16s ago
Process: 2732 ExecStopPost=/usr/sbin/exportfs -f (code=exited, status=0/SUCCESS)
Process: 2731 ExecStopPost=/usr/sbin/exportfs -au (code=exited, status=0/SUCCESS)
Process: 2729 ExecStartPre=/usr/sbin/exportfs -r (code=exited, status=1/FAILURE)
May 17 06:54:19 filestorage systemd[1]: Starting NFS server and services...
May 17 06:54:19 filestorage exportfs[2729]: exportfs: Failed to stat /mnt/storage/proxmox: No such file or directory
May 17 06:54:19 filestorage exportfs[2729]: exportfs: Failed to stat /mnt/storage/mainstorage: No such file or directory
May 17 06:54:19 filestorage systemd[1]: nfs-server.service: Control process exited, code=exited status=1
May 17 06:54:19 filestorage systemd[1]: nfs-server.service: Failed with result 'exit-code'.
May 17 06:54:19 filestorage systemd[1]: Stopped NFS server and services.
我该怎么做才能挽救它？