有台服务器 iDRAC 固件由 2.40.40.40 升级 2.61.60.60 后，无法正常访问管理页面。
ping iDRAC 观察，每隔几分钟会失联，管理页面无法进入，不能执行固件回滚操作。
此时可以通过 SSH username@iDRAC 登入，使用命令行执行回滚。
注意，回滚操作只能回滚到上次版本，不能连续回滚。
C:\Users\Administrator>ssh [email protected]
[email protected]'s password:
/admin1-> racadm swinventory
-------------------------SOFTWARE INVENTORY------------------------
ComponentType = FIRMWARE
ElementName = Integrated Dell Remote Access Controller
FQDD = iDRAC.Embedded.1-1
InstallationDate = NA
Rollback Version = 2.40.40.40
-------------------------------------------------------------------
ComponentType = FIRMWARE
ElementName = Integrated Dell Remote Access Controller
FQDD = iDRAC.Embedded.1-1
InstallationDate = 2025-01-11T09:29:42Z
Current Version = 2.61.60.60
-------------------------------------------------------------------
/admin1-> racadm rollback iDRAC.Embedded.1-1
RAC1056: Rollback operation initiated successfully. To view the progress of the job, use the "racadm jobqueue view" command.
If the job is scheduled, the system will require a manual reboot.
To reboot the system manually, use the "racadm serveraction powercycle" command.
/admin1-> racadm jobqueue view
-------------------------JOB QUEUE------------------------
[Job ID=JID_366164263185]
Job Name=Firmware Rollback: iDRAC
Status=Completed
Start Time=[Not Applicable]
Expiration Time=[Not Applicable]
Message=[RED001: Job completed successfully.]
Percent Complete=[100]
----------------------------------------------------------
[Job ID=JID_366089058804]
Job Name=Firmware Update: iDRAC
Status=Completed
Start Time=[Not Applicable]
Expiration Time=[Not Applicable]
Message=[RED001: Job completed successfully.]
Percent Complete=[NA]
----------------------------------------------------------
[Job ID=JID_366077641374]
Job Name=Firmware Update: iDRAC
Status=Completed
Start Time=[Not Applicable]
Expiration Time=[Not Applicable]
Message=[RED001: Job completed successfully.]
Percent Complete=[NA]
----------------------------------------------------------
/admin1-> racadm getversion
Bios Version = 2.10.5
iDRAC Version = 2.40.40.40
Lifecycle Controller Version = 2.40.40.40
IDSDM Version = NA