I have an HP ML10 gen 9 running 6.1.7-15284 update 3, setup as a 3617xs.  It's been fine and stable for over a year.  After reading about problems with recovery for RAID 5 arrays with larger disks, I bought an external USB drive (8TB WD) for backups and connected it.  I setup a USBCopy task for a shared folder directory and started it.    An hour later, I went to check on the task, but the web interface stopped working a minute after I logged in.  Everything would get stuck loading.  I