Exchange with Chris Feist:
> Bug 1129842 - Improve documentation of fence agent installation
> This is a clone of BZ#886232
> This notes that when you don't install the fence agents package, a pcs stonith list gives no output.
> Have we added an error message here? If so, I probably don't need to document this behavior.
> If this is still true, I should add a note to the manual that if you have not installed the
> package you will get no output from this command.
Yes, now if there are no fence agents installed it says:
Error: No stonith agents available. Do you have fence agents installed?
I don't think you need to add any specific documentation about this, it's just a user misconfiguration.