I have had my Unraid bow for about 2 months and so far i am enjoying it and it is doing what i want it to do. But i have one small concern which might be nothing.

 

At the moment i am running plex, sonarr, Radarr and jackett. Which all work fine.

 

But i have discovered that when there is nothing  happening and i have no downloads / file tranfers / and plex is disable that one or two of my hard drivers are still spinning and not my paritiy drive

 

I can manual turn them off  but i would like to know why they are spinning.

 

So is there a plugin or a command line that will allow me see what traffic is being pased to and from my HD's

OpenFiles or Active Streams plugins.  Additionally, this *can* happen via the CacheDirs plugin.

Thanks for your advice.  Using the two plug ins i was able to work out why my disk was still running.   Some reasin it through a film was still being used my plex.   Once i killed the link the disk want to sleep.