Description of the illustration racad_vm_039.eps

This illustration shows a four-node cluster organized into two server pools—online and backoffice—plus the default free server pool. The online and backoffice server pools each contain two nodes. The values of the MIN_SIZE and MAX_SIZE server pool attributes are 2 and 3, respectively, for the online server pool, and the value of its IMPORTANCE server pool attribute is 10. The values of the MIN_SIZE and MAX_SIZE server pool attributes are 1 and 2, respectively, for the backoffice server pool, and the value of its IMPORTANCE server pool attribute is 5.

A database named dbsales runs in the online server pool, offering the browse, search, and salescart services. A database named dberp runs in the backoffice server pool and offers the inventory and shipping services.