September 2002
Intermediate to advanced
332 pages
11h 1m
English
Content preview from IBM eServer zSeries 900 Technical Guide
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62 IBM eServer zSeries 900 Technical Guide
Table 2-11 shows the relationship between MBA numbers and cluster numbers.
Table 2-11 MBA number to cluster number relationship
In order to get maximum I/O performance and availability, I/O cards should be equally
distributed over STIs, MBAs, and clusters. Channel paths defined to multipath devices should
also be equally distributed, when possible.
An understanding of the z900 CSS structure can help you to plan for maximum I/O availability
and performance.
2.6.4 Self Timed Interfaces
All z900 server models have 24 Self Timed Interfaces (STIs). Although 24 STIs are provided,
there can be up to 36 physical ...
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