Your customer comes to you with a sysctl command that they found on the Internet. They want to apply this
to their cluster.
What should you do?
A. Consult with Isilon support to understand the effects and risks to the customer’s system.
B. Check the knowledge base to make sure the command is documented, and if so, apply it.
C. Apply the sysctl command to a single node to gauge the effect.
D. Warn the customer that this is not a supported command.