Chapter 11. Achieving Higher Availability
The mainframe enjoys the reputation as the most reliable server hardware on the market. One of your reasons for considering Linux on the mainframe might be the outlook of deploying highly available Linux application servers.
In contrast to what many people believe, high availability is not a matter of all or nothing. High availability is driven by trade-offs between business needs and costs. Before working towards high availability, it is important to have a clear idea of what exactly is required. For example, high-availability solutions are often not meant to cover disaster scenarios. In this chapter we examine some availability requirements in relation to what we mean by high availability.
This chapter ...
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