本文提供了一步一步的操作指南，用于升级SPARC Enterprise T5120服务器的系统固件。包括下载固件升级文件、使用sysfwdownload加载映像到Service Processor、验证FM版本等关键步骤。
1. Download firmware upgrade file, e.g. 139439-01.zip
2. use sysfwdownload to load the image to Service Processor(SP)
sysfwdownload Sun_System_Firmware-7_2_0-SPARC_Enterprise_T5120+T5220.pkg
3. poweroff the box
sc> poweroff
4. login console and make sure virtual keyswitch setting is in normal position.
sc> setkeyswitch -y normal
5. flash update the downloaded firmware image
sc> flashupdate -s 127.0.0.1
6. resetsc if sc is not reset automaticly.
sc> resetsc
NOTE:
The sysfwdownload utility is usually included in the firmware upgrade file.
Use sysfwdownload to verify the FM version.
[root@sunt5220a 139439-04]#>./sysfwdownload -g
7.2.2.e
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