Parallels H-Sphere Documentation Administrator Guide


Load Balanced Server Clusters


Related Docs:   Load Balancing in H-Sphere

Last modified: 25 Dec 2007


WARNING: This documentation covers Parallels H-Sphere versions up to 3.1. For the latest up-to-date Parallels H-Sphere documentation, please proceed to the official Parallels site.

H-Sphere interface allows you to set master-slave relations between servers in Web and mail clusters. Please refer to the complete procedure of installation and configuration of load balanced cluster servers in H-Sphere.

To structure H-Sphere physical servers in a load balanced cluster, you need to perform the following steps:

  1. Add physical servers to H-Sphere.
  2. Create server groups on these servers, depending on their functionality. Servers that belong to the same cluster must have the same server group created on them.
  3. Create master servers:
    1. In the E. Manager -> Servers menu choose P. Servers.
    2. On the page which lists physical servers click the needed server name. Turn Load Balance Server on:
    3. On the Load Balanced Server page chose No master and click change.
    4. Add web or mail logical server group to each created physical server.
  4. Create slave servers. Enable Load Balanced Server for the rest of the servers choosing a master server for them:
  5. As the result, on the Physical Servers page you should have load balanced clusters visualized with master and slave servers clearly distinguished:

    Important: Logical servers can't be created on slave servers. Any number of slave mail servers can be created for master mail servers. Multiple slave servers for load balanced Web servers are implemented in H-Sphere 2.5 Beta 2 and up.

Related Docs:   Load Balancing in H-Sphere

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