Server Clusters
In case of a breakdown of a service, a different computer in the cluster will take over the application and serve the clients.
Server clusters may only be installed by administrators with the corresponding expertise.
In configuring the operating system (Windows Server) a virtual IP address is assigned to the cluster, which is then resolved to the physical IP addresses of the computers inside the cluster.
The installation of a server cluster requires at least one installed enaio® server.
The installation of a server cluster only differs in a few steps from the installation of individual servers and will therefore only be described briefly.
Install a server cluster as follows:
- Start enaio® on the installation computer and carry out steps 1 to 15 of the individual server installation.
All paths and options must be exactly identical to the computer for which you want to set up the cluster service; otherwise, the cluster service cannot take over operation for the failed server.
The Database dialog will open.
- Enter the information as described in step 16 of the individual server installation; however, select an existing server group and the option Additional cluster service.
- Click OK.
The Station name dialog will open.
- Specify the computer for which the cluster service is to be set up and click OK.
- Run the installation to the end.
- Adapt the asinit.cfg configuration file (see 'The Configuration File 'asinit.cfg'') to connect clients to a cluster.
This completes the installation.