You want to change an existing Oracle Clusterware standard Cluster to an Oracle Flex Cluster There is Grid Naming Service (GNS) and Flex ASM configured right now. In what order do you need to take the following steps?
Stop Oracle Clusterware
Determine the current mode of the cluster
Ensure that the GNS is configured with a fixed VIP.
Change the mode of the cluster to be an Oracle Flex Cluster.
Use the Oracle Automatic Storage Management Configuration Assistant (ASMCA) to enable Oracle Flex ASM in the cluster