How to gather controller logs on Power Edge 12G server from Life cycle controller
Instructions
Step 1 Install USB flash drive in the server
Step 2 Reboot the server and press F2 during the POST to enter BIOS

Step 3 Under BIOS go to Device Settings > RAID Controller > Controller Management

Step 4 Click Save Debug Log (Make sure you have a USB key plugged to the server)

Step 5 On the next screen it will show up your USB device where you can save the file.