Just to follow-up with Sankar ensure the cabling has been certified for all the standard BICSI regulated tests as a cable hanging over an incandescent light or a poorly terminated patch panel can create a world of issues for you. If you are not sure or do not have tests showing this, I would spend the money to do so first.
Are you getting this error “Installer User Interface Mode Not Supported. The installer cannot run in this UI mode. To specify the interface mode, use the -i command-line option, followed by the UI mode identifier. The value UI mode identifiers...
The below trick might come handy when you have to add a new node to a cluster but you don't have or is unsure of the security password for the publisher. This procedure has been around for ages.
1) Login into the CLI of the Publisher.