Hi, I hope you can help me and hope I am asking this question right.   I am running unRAID on an HP MicroServer Gen8 with Xeon E3-1220 V2, 4x SATA disks, and 1x SSD (cache).   I have noticed in the last 24 hours that my CPU usage has gone up from the normal baseline to a higher baseline (graph from system stats plugin): I am not a linux expert, but instead of just rebooting to clear it I thought it may be a good idea to ask why this has happened, so looked at the p