Question: how to check llt status vcs?
Answer: Log in as superuser on the node galaxy.
Run the lltstat command on the node galaxy to view the status of LLT. ... 
Log in as superuser on the node nebula.
Run the lltstat command on the node nebula to view the status of LLT. ... 
To view additional information about LLT, run the lltstat -nvv command on each node.