1. A method for configuring a plurality of server systems, the method comprising: configuring the plurality of server systems as a first database having a group name and a group port, including: configuring each of the plurality of server systems with the group name and the group port; and registering each of the plurality of server systems with a system routing facility as being part of the first database; configuring a subset of the plurality of server systems as a second database having a subset name and a subset port, including: configuring each server system in the subset with the subset name and the subset port; and registering each server system in the subset with the system routing facility as being part of the second database in addition to the first database; wherein the first database is accessible by a client application via the group name and the group port for storage of data in the first database, and the second database is accessible by a client application via the subset name and the subset group for storage of data in the second database.