I’m on a Raspberry Pi 3, with Linux osmc 4.14.78-4-osmc using an USB hard drive.
I installed the nfs server and mounted it on a client through fstab with
192.168.1.30:/series /mnt/series nfs4 nolock,rsize=16384,wsize=16384,intr,timeo=800,x-systemd.automount 0 0.
When I try to copy a file from the Raspberry to the client, I can see a normal speed during 4-5 seconds. After that, it stops failing completely.
On the Raspberry, I can see the load average increasing a lot (up to 3-4 and counting).
Everything is working as expected if I try to copy a file from the USB Drive to the Raspberry SD.
Any clue is appreciated?