A. Perform the upgrade on the active node of the cluster. When completed, the node reboots and then pushes the service package to the passive node automatically.
B. Perform the upgrade on the passive node of the cluster. When completed, the node reboots and then pushes the service package to the active node automatically.
C. On the clustering status page, disable the active node. Perform the upgrade on the disabled node. When completed and the node reboots, enable the node on the clustering status page.Repeat the process on the passive node.
D. On the clustering status page, disable the passive node. Perform the upgrade on the disabled node. When completed and the node reboots, enable the node on the clustering status page.Repeat the process on the active node.