I've been searching all over for a potential fix to a sudden problem I am having w/ UNRAID 6.10.3. It keeps reporting a sudden power button press and graceful shutdown. The power button isn't getting pressed and I've done extensive diagnostic testing and on the server and cannot find a problem. The only reported hardware issues are w/ the Smart Array Battery, which I am getting a replacement for.
I also ran Memtest and even went as far as to install TrueNAS and verified that the server does not initiate a shutdown in any other situation except being booted into UNRAID. I reinstalled the OS on the flash drive and attempted to use two additional flash drives, but the issue persists.
I would appreciate any other suggestions for troubleshooting this issue. It's a HPE Proliant DL380 Gen9 w/ 2x Xeon processors and 64GB RAM.