FAS8300 系统中意外断电触发接管

• 观察到两个意外的系统重新启动。
• 在第一次重新启动期间，系统恢复，并且回馈成功。
• 在第一次重新启动期间，BMC 日志中没有明显的硬件故障信息或死机信息。
• 控制器报告同时失去了两个电源（PSU1 和 PSU2）的直流电源，导致节点自动重新启动并触发接管。

BMC console log
Entity Presence PSU1_VIN_TYPE_DC | Absent | Asserted
Entity Presence PSU2_VIN_TYPE_DC | Absent | Asserted
System Firmware Progress | Secondary CPU Initialization | Asserted
System Firmware Progress | USB resource configuration | Asserted
System Firmware Progress | PCI resource configuration | Asserted
System Firmware Progress | Video initialization | Asserted
System Firmware Progress | Keyboard controller initialization | Asserted
System Firmware Progress | Hard-disk initialization | Asserted
System Firmware Progress | Hard-disk initialization | Asserted
System Event |  | Asserted

• 在第二次重新启动期间，即使在电源重新启动后，系统也无法开机（system power off/on）。
• 系统电源状态仍为"Host power is off" 
  通过 BMC 发出的命令（例如 system power on、system console）未得到响应。

BMC Log:

BMC > system power status
Host power is off
BMC > system power off
Current power is off, no action is taken
BMC  system power status
Host power is off
BMC >system power on
BMC > system console
　→Pressing the enter key gives no output.
BMC > system power status
Host power is off
BMC >