You must install the cluster software only for traditional high availability (HA) installations. The Sentinel HA appliance includes the cluster software and does not require manual installation.
Use the following procedure to set up the SLES High Availability Extension with a Sentinel-specific Resource Agents overlay:
Install the cluster software on each node.
Register each cluster node with the cluster manager.
Verify that each cluster node appears in the cluster management console.
NOTE:The OCF Resource Agent for Sentinel is a simple shell script that runs a variety of checks to verify if Sentinel is functional. If you do not use the OCF Resource Agent to monitor Sentinel, you must develop a similar monitoring solution for the local cluster environment. To develop your own, review the existing Resource Agent, stored in the Sentinelha.rpm file in the Sentinel download package.
Install the core SLE HAE software according to the SLE HAE Documentation. For information about installing SLES add-ons, see the Deployment Guide.
Repeat step 4 on all cluster nodes. The add-on will install the core cluster management and communications software, as well as many Resource Agents that are used to monitor cluster resources.
Install an additional RPM to provide the additional Sentinel-specific cluster Resource Agents. The HA RPM can be found in the novell-Sentinelha-<Sentinel_version>*.rpm file, stored in the default Sentinel download, which you unpacked to install the product.
On each cluster node, copy the novell-Sentinelha-<Sentinel_version>*.rpm file into the /tmp directory, then run the following commands:
cd /tmp
rpm -i novell-Sentinelha-<Sentinel_version>*.rpm