Prepare the cluster environment for SAP and Informix: 

- Install Solaris 

- Install and configure the volume manager 

- Create disksets or disk groups 

- Create volumes and file systems 

- Install Sun Cluster and the data services 

- Set up public network monitoring (PNM) 

- Set up logical hosts and mount points - Configure the shared CCD (VxVM, 2-node only) 

- Set up HA-NFS, if necessary 

- Adjust kernel parameters 

- Create links for Informix - Create and modify the administrative file systems - Configure Sun Cluster HA for NFS - Configure swap space and paging space 

- Create user and group accounts 

"How to Prepare the Cluster Environment for SAP With Informix"

Install SAP and Informix: 

- Install SAP, Informix - Install other components as necessary, such as application servers - Install the SAP GUI 

- Shut down SAP and Informix 

"How to Install SAP With Informix"

Enable SAP and Informix to run in the cluster environment: 

- Modify the Informix configuration files 

- Set up the SAP central instance environment - Modify the SAP database user environment 

- Update /etc/services and create /usr/sap/tmp - Test the SAP installation

"How to Enable SAP With Informix to Run in the Cluster Environment"

Configure Sun Cluster HA for Informix: 

- Shut down SAP and Informix 

- Register and activate HA-Informix 

- Bring Informix under the control of HA-Informix 

- Start HA-Informix 

- Test switchover of the database 

"How to Configure Sun Cluster HA for Informix"

Configure Sun Cluster HA for SAP: 

- Register Sun Cluster HA for SAP - Configure Sun Cluster HA for SAP with hadsconfig(1M)

- Turn on Sun Cluster HA for SAP 

- Test switchover of SAP - Customize start and stop scripts for application servers - Set data service dependencies for SAP 

"How to Configure Sun Cluster HA for SAP (SAP With Informix)" and "How to Set a Data Service Dependency for SAP With Informix"