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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
508 DS8800 Performance Monitoring and Tuning
priority application is hindered by a lower priority application that competes for the same
system resources. This contention can occur when multiple applications request data from
the same drives. When IOPM encounters this situation, it delays lower priority I/O data to
assist the more critical I/O data in meeting its performance targets.
The WLM integration for the I/O Priority Manager is available with z/OS V1.11 and higher,
with the following necessary APARs: OA32298, OA34063, and OA34662.
With z/OS and zWLM software support, the user assigns application priorities through the
Workload Manager
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Publisher Resources

ISBN: 0738436836Purchase book