What is restsdk-serverd service for?

My Cloud OS 3 Personal & Network Attached Storage My Cloud
3

Please see the already running discussion on this issue in the New Firmware? thread starting around page 13.

http://community.wd.com/t5/My-Cloud/New-Firmware/td-p/901243/page/13

See user Rac8006’s post on page 13 of that thread for one possible way to resolve the issue.