BES-53248 交换机不使用 EFOS 启动，而是使用 ONIE 启动

适用于

Broadcom 以太网交换机 53248 (BES-53248)

问题

• BES-53248 集群交换机在断电后未引导到 EFOS。
  • 这与维护活动、环境问题等有关。
  • 远程维护时，这可能会显示为挂起开关。
• 启动设备中缺少 EFOS 选项。示例： 

+----------------------------------------------------------------------------+
|*ONIE: Install OS                               |
| ONIE: Rescue                                 |
| ONIE: Uninstall OS                              |
| ONIE: Update ONIE                              |
| ONIE: Embed ONIE                               |
| DIAG: Diagnostic Mode                            |
| DIAG: Burn-In Mode                              |
|                                       |
|                                       |
|                                       |
|                                       |
+----------------------------------------------------------------------------+

• 从 BES 开关输出，报告了与 P3V（实时时钟电池）相关的低电压问题。示例：

(switch_name)# linuxsh

# ipmitool sel elist
 ...
 123 | 01/01/2025 | 01:01:01 | Voltage Volt_P3V_BAT | Lower Critical going low  | Asserted | Reading 0.54 < Threshold 2.53 Volts

# ipmitool sensor
...
Volt_P3V3_SUS    | 3.308      | Volts      | ok    | na        | 2.975     | na        | na        | 3.623     | na
Volt_P3V_BAT     | 1.793      | Volts      | cr    | na        | 2.528     | na        | na        | 3.616     | na

# ipmitool sdr
...
Volt_P3V3_SUS    | 3.31 Volts        | ok
Volt_P3V_BAT     | 1.79 Volts        | cr