Brocade交换机固件升级挂起、固件版本报告为"未知"

适用场景

Brocade 6510交换机

问题描述

• 从v7.4.1D -> v8.1.2k2 -> 8.2.3b执行FOS升级时、交换机停止响应。 
• 重新启动交换机将暂时启动它、但时间不足以收集supportsave。
• 运行任何命令时、交换机命令行界面将进入挂起状态。

• 在  固件下载过程中、交换机将进入无响应状态、 并且在重新启动 ssh
  连接后观察到以下错误：

Raslog Module Initialisation failed
rc=-1
**************************************************************
*
*
* Fabric OS has detected frequent switch reboot condition.   *
* Following actions can be taken to recover the switch:    *
* -
Use supportsave to collect supportsave data.        *
* - Contact Brocade support team for further assistance.    *
*
                          *
**************************************************************
sysmodAttach
open failed: No such device or address
sysconModel: : Illegal seek
can't get Sw Model= 1, default to SilkwormsysmodAttach open
failed: No such device or address
sysconModel: : Illegal seek
 

• firmwareshow 输出显示 未知 的FOS版本。

firmwareshow -v     :

CURRENT CONTEXT -- 0 , 128

Appl    Primary/Secondary Versions
------------------------------------------
FOS    v7.4.1d
     Unknown

WARNING: Firmwaredownload is in progress.

 

• Errdump 报告 处理器已重新启动-软件故障：内核发生故障。

errdump -a     :

2023/04/29-17:14:31, [HAM-1004], 44732, CHASSIS, INFO, brocadeswitch, Processor rebooted - Software Fault:Kernel Panic.
2023/04/29-18:01:42, [HAM-1004], 44735, CHASSIS, INFO, brocadeswitch, Processor rebooted - Software Fault:Kernel Panic.
 

• 如中所述 RAS log，存在读取故障，返回 输入/输出错误。
  ===
  rsync: read errors mapping"/etc/fabos/openssl.cnf": Input/output error (5)
  ===