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Your objective:
- To keep your web server available for internet browsers at all time and give your online customers the access speed they like to have.
- To keep your online customers getting all information of all the products at all time.
Solution:
To achieve objective 1, you will need ClusterBalancer
To achieve objective 2, you will need ClusterReplica
So, you pair up the web server and the SQL server. Install ClusterBalancer on the web server systems and ClusterReplica on the SQL server systems.
Now your system will look like this:
On you Web server, you install ClusterBalancer on both Web servers and setup Load Balance of 50% on each of the Primary and the Secondary systems.
On your SQL servers, ClusterReplica is installed on both systems.
Two advantages of this cluster systems of separate Web server and database servers:
- You can have Load Balance on the Web server and data replication on the database server at the same time (this is because ClusterBalancer and ClusterReplica cannot be installed on the same system).
- Because the cluster systems are run separately, the failover of one set of the
clustered systems will not affect the normal functioning of the other set.
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