OES server is already installed and NCP is configured. For details, see OES 2018 SP2: NCP Server for Linux Administration Guide.
NSS Pools and volumes are already migrated to the new OES 2018 SP2 server. Use the cluster migrate resource_name node_name command to migrate the cluster pools and volumes. For details, see Using the Cluster Migrate Command
in the OES 2018 SP2: OES Cluster Services for Linux Administration Guide.
NCP (posix) volumes and non-cluster NSS volumes are already migrated to the new OES 2018 SP2 server. This can be done by unmounting the corresponding file system from the source machine and mounting it on the target machine.