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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 4. Logical configuration performance considerations 151
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򐂰 FCP PPRC connections:
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򐂰 FC-AL connections:
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In this case, the FCP PPRC ports share the adapter with FCP host ports. In general, sharing
the adapter bandwidth between PPRC and the host workload might lead to performance
issues especially during the PPRC full-copy operations. To avoid any possible interference
between PPRC and host workloads, you must use dedicated HAs for PPRC (or zGM data
mover) connections. For availability reasons, we advise that you spread the PPRC connection
across at least two HAs. The drawback of isolating the PPRC connections is that, with ...
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Publisher Resources

ISBN: 0738436836Purchase book