You can automate the startup of cluster members to facilitate the implementation of high availability in your topology. You can introduce cluster management software, such as IBM® Tivoli® System Automation for Multiplatforms, to detect server status and bring cluster members online when required.
When you want to set your cluster manager to manual mode, run the following command:
samctrl -M t
When you want to reinstate automatic mode, run the following command:
samctrl -M f