These commands can be used to help troubleshoot potential controller related issues with the RAP servers. RAP servers use MegaRAID storage adapters, these commands can be used to look up potential controller issues such as a failed BBU.
The MegaCLI commands are located in the /opt/MegaRAID/ directory.
Example command to check BBU status.
./storcli64 show
./storcli64 /c0 /bbu show
https://docs.broadcom.com/doc/12352476