June 2003
Intermediate to advanced
464 pages
10h 33m
English
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11.7. Summary
High availability begins with defining the failure types for the application solution for which recovery is required, the speed with which the recovery should happen, and the various hardware, middleware, and application parts that constitute the high-availability solution.
The mainframe already has multiple levels of built-in hardware redundancy that contribute to its intrinsic high availability. You can configure the hardware so that the software can directly exploit various levels of hardware redundancy, such as the CPUs and channel paths to devices. Using z/VM virtualization, you can create various types of Linux configurations that provide software redundancy to an application. For example, you can configure hot-standby Linux ...
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