March 2008
Intermediate to advanced
326 pages
10h 22m
English
Chapter 5. Storage controller 79 Figure 5- 8 Mapping MDisk Figure 5- 9 completes the end- to- end view by mapping the MDisk through the SVC to the attached host. Click MDisk . MDGroup . VDisk . host disk. Figure 5- 9 Host mapping 5.12 Using TPC to measure storage controller performance In this section, we provide a brief introduction to performance monitoring for the SVC back- end disk. When talking about storage controller performance, the back- end I/ O rate refers to the rate of I/ O between the storage controller cache and the storage arrays. In an SVC environment, back- end I/ O is also used to refer to the rate of I/ O between the SVC
Read now
Unlock full access