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DS8800 Performance Monitoring and Tuning
book

DS8800 Performance Monitoring and Tuning

by Gero Schmidt, Bertrand Dufrasne, Jana Jamsek, Peter Kimmel, Hiroaki Matsuno, Flavio Morais, Lindsay Oxenham, Antonio Rainero, Denis Senin
July 2012
Intermediate to advanced content levelIntermediate to advanced
726 pages
26h 28m
English
IBM Redbooks
Content preview from DS8800 Performance Monitoring and Tuning
Chapter 7. Practical performance management 241
Figure 7-4 Storage device: Physical view
The amount of available information or metrics depends on the type of subsystem involved.
The SMI-S standard does not require vendors to provide detailed performance data. For the
DS8000, IBM provides extensions to the standard that include much more information than
the information that is required by the SMI-S standard. Therefore, the NAPI is used.
The DS8000 interacts with the NAPI in the following ways:
򐂰 Access method used: Enterprise Storage Server Network Interface (ESSNI)
򐂰 Failover:
For the communication with a DS8000, Tivoli Storage Productivit
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Publisher Resources

ISBN: 0738436836Purchase book