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 (SSVM, 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 and the Database (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 and the Database (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 and the Database to Run in the Cluster Environment (SAP With Informix)"

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 (SAP With Informix)"