I have the same issue with my new WD EX4100 nas which I purchased this February. The cpu is continuously in very high utilization. The process restsdk-server has the very most utilization. I leaved the server without any access and action for many weeks to see how it reacts but still, it is in 100% cpu utilization.
This is really unbelievable. I have never seen such a thing working for itself for many weeks and does not stop. This command doesn’t stop the process.
/usr/local/modules/restsdk/bin/restsdk-server stop
I have disconnected the nas from the network for a long period, but the restsdk-server process is still running and running in high utilization.
Any new idea how I can bring this server to be silent?
Thanks for any help.