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36 IBM ^ xSeries 440 Planning and Installation Guide
2.1 xSeries 440 application solutions
The x440 is an ideal platform for customers running mission-critical applications.
There are a number of ways the x440 can be deployed in specific application
solution environments. These include:
Server consolidation
Enterprise applications
Infrastructure applications
Clustering
2.1.1 Server consolidation
Server consolidation is a process of centralizing business computing workloads
to reduce cost, complexity, network traffic, management overhead and, in
general, to simplify the existing IT infrastructure and provide a foundation for new
solution investment and implementation.
Server consolidation is discussed in detail in 2.4, “Server consolidation” on
page 51.
Server consolidation solutions can be divided into two groups: those where no
more than four-way SMP is needed, and those that will take advantage of more
CPUs.
Four-way configurations
The four-way configurations would most likely be good candidates for
traditional messaging/collaboration environments such as Microsoft
Exchange and Lotus Domino. These applications do not scale well beyond a
four-way SMP configuration. It is an optimal platform for customers who
intend to migrate from Exchange 5.5 to Exchange 2000 using new features of
Exchange 2000 such as the support for more databases. Many customers
have distributed Exchange and Lotus Domino sites, which is costly and
difficult to manage. Here, the x440 can be a very attractive platform to
consolidate distributed sites into a central site.
Many ISPs are running different Internet applications and mail systems on
several servers. In most cases, they run applications on several servers to get
better I/O. The four-way x440 server connected to an RXE-100 fulfills this
requirement and ISPs can continue servicing the customers by consolidating
to an x440 server.
Although many applications such as file, print, and terminal servers do not
scale well beyond two processors, the four-way x440 can be a good platform
on which to consolidate those distributed applications. For example, using