Drive constantly working

[cpt_paranoia]

Sleep mode isn’t a solid blue, it’s a slowly pulsing blue, and occurs when the hard disk is actually stopped and parked. Solid blue will have the disk still spinning.

For the indexing and thumbnailing processes, here’s the ‘definitive’ thread:

http://community.wd.com/t5/WD-My-Cloud/Hidden-wdmc-directories-created-by-mcserver-and-photodbmerger/m-p/682091