I upgraded a few IBM HS23 (7875G2M) blades' firmware (from 1.40 to 1.51) last week. After they booted up, I noticed there is a POST warning showing in the screen. Those blades do not have internal hard drives, as we install the ESXi on the USB drives. What the hell is the GPT corruption about!? … Continue reading False Alarm after IBM HS23 UEFI Firmware Upgrade