Ensure that you are familiar with the command-line interface
(CLI) messages.
When some commands complete successfully, textual output
is normally provided. However, some commands do not provide any output.
The phrase
No feedback is used to indicate that no
output is provided. If the command does not complete successfully,
an error is generated. For example, if the command has failed as a
result of the cluster being unstable, the following output is provided:
- CMMVC5786E The action failed because the cluster
is not in a stable state.