Install a new data tier node and configure the connection details to it. 
-  Perform a data-tier only install on a new data tier node. 
 This installs the monitor and domain log database as a service (named Sybase Unwired LogData Service). 
 
- Disable the cache, cluster and messaging database services.
 
- Connect to Unwired Server cluster from Sybase Control Center  and: 
- In the navigation pane, expand the default domain node, then click Connections.
 
- Click the Connections tab.
 
- For each connection (monitordb and domainlogdb), click Properties, then update the host and port values to reflect the connection properties of the new host node.
 
- Click Save.