Chapter 7.1.1. Performance consideration
Page 99
Chapter 7. Managed disk groups 99 Figure 7- 1 Impact capacity for loss of a single array The following best practices are geared toward availability and do not consider the potential implications on performance. Therefore, there will always be valid reasons why these best practices cannot all be adhered to in all cases. As is always the case, performance needs to be considered in terms of specific application workload characteristics and requirements. In the following sections, we examine some of the effects that these practices have on performance. 7.1.1 Performance consideration Most applications meet performance objectives when average response times for random I/ O are in the 2- 15 millisecond ...
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