March 2008
Intermediate to advanced
326 pages
10h 22m
English
book
SAN Volume Controller: Best Practices and Performance Guidelines
by Jon Tate, Deon George, Thorsten Hoss, Ronda Hruby, Ian MacQuarrie, Barry Mellish, Peter Mescher
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Chapter 9.4.2. Global mirror guidelines
Page 159
Chapter 9. Copy services 159 unusually high. The peak workload must be evaluated by considering the average write workload over a period of one minute or less plus the required synchronization copy bandwidth. SVC uses some of the bandwidth for its internal SVC inter- cluster heartbeat. The amount of traffic depends on how many nodes are in each of the two clusters. Table 9- 2 shows the amount of traffic, in megabits per second, generated by different sizes of clusters. These numbers represent the total traffic between the two clusters, when no I/ O is taking place to mirrored VDisks. Half of the data is sent by one cluster, and half of the data is sent by the other cluster. The traffic will be divided ...
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O’Reilly covers everything we've got, with content to help us build a world-class technology community, upgrade the capabilities and competencies of our teams, and improve overall team performance as well as their engagement.Julian F.
I wanted to learn C and C++, but it didn't click for me until I picked up an O'Reilly book. When I went on the O’Reilly platform, I was astonished to find all the books there, plus live events and sandboxes so you could play around with the technology.Addison B.
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