Skip to Main Content
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 14. Performance considerations for System z servers 527
The link between the director and the DS8000 can run at 1, 2, 4, or 8 Gbps.
If the channel is point-to-point connected to the DS8000 FICON port, the G field indicates the
speed that was negotiated between the FICON channel and the DS8000 port.
Figure 14-16 Channel Path Activity report
14.11.5 FICON director
The FICON director is the switch that is used to connect the host FICON channel to the
DS8000 FICON port. FICON director performance statistics are collected in the System
Management Facilities (SMF) record type 74 subtype 7. The FICON DIRECTOR ACTIVITY
report (Example 14-4 on page ...
Become an O’Reilly member and get unlimited access to this title plus top books and audiobooks from O’Reilly and nearly 200 top publishers, thousands of courses curated by job role, 150+ live events each month,
and much more.
Start your free trial

You might also like

IBM System Storage DS8000 Performance Monitoring and Tuning

IBM System Storage DS8000 Performance Monitoring and Tuning

Axel Westphal, Bert Dufrasne, Wilhelm Gardt, Jana Jamsek, Peter Kimmel, Flavio Morais, Paulus Usong, Alexander Warmuth, Kenta Yuge
IBM TotalStorage DS6000 Series: Performance Monitoring and Tuning

IBM TotalStorage DS6000 Series: Performance Monitoring and Tuning

Cathy Warrick, Craig Gordon, Benoit Granier, Keitaro Imai, Rosemary McCutchen, Brannen Proctor, Jim Sedgwick, Paulus Usong, Mary Ann Vandermark, John Wickes

Publisher Resources

ISBN: 0738436836Purchase book