We have a SYS-121H-TNR (BIOS 2.1a, BMC: 1.02.22) that reboot spontaneously. The BMC SEL shows Fans went through assertion / deassertion. Do you have any solution to address the issue?
Please update the BIOS and BMC for this server to the latest 2.8 and 01.07.01 respectively.
https://www.supermicro.com/en/support/resources/downloadcenter/firmware/SYS-121H-TNR/BMC