具有 iDRAC9 固件版本 4.40.40.00(或更高版本)的 Integrated Dell Remote Access Controller 9 (iDRAC9) 的 Dell EMC PowerEdge 服务器需要两步降级路径才能安装较旧版本的 iDRAC9 固件。尝试将 iDRAC9 固件降级到 2021 年 2 月之前的固件版本时,固件更新将失败。在生命周期日志中,将在 iDRAC 重新启动期间记录信息 RAC0181 事件。
2021-07-29 13:04:38 65 SUP1901 Firmware update initializing.
2021-07-29 13:04:38 66 SUP1911 Firmware update initialization complete.
2021-07-29 13:04:38 67 SUP1904 Firmware update checksumming image.
2021-07-29 13:04:38 68 SUP1903 Firmware update verify image headers.
2021-07-29 13:04:49 69 SUP1905 Firmware update programming flash.
2021-07-29 13:05:23 70 SUP1906 Firmware update successful.
2021-07-29 13:08:20 72 RAC0182 The iDRAC firmware was rebooted with the following reason: user initiated.
2021-07-29 13:08:23 75 RAC0181 The iDRAC recovered from a firmware boot loader error with the following reason : Boot-time failover.
2021-07-30 03:36:12 315 SUP0517 Unable to update the Integrated Dell Remote Access Controller firmware to version 4.22.00.53 because the operation is not supported or the device is in a locked state.
在以下常见使用情形下,将遇到此降级问题: