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 4.3. Adding or upgrading SVC node hardware
Page 58
58 SAN Volume Controller: Best Practices and Performance Guidelines There was no noticeable increase in CPU utilization in test B and test C. There was a slight reduction in CPU utilization when running test D. Figure 4- 1 SVC node CPU utilization during test runs Node 3 and node 4 were not used during this test. While there is a loss in performance when a node fails, and this test revealed our loss meant that we only saw 88.5% performance ( when compared to our best result, which is the normal SVC usage configuration), we conclude that it was still 21.3% better than direct- attached. 4.3 Adding or upgrading SVC node hardware If you have a cluster of six or fewer nodes of older hardware, ...
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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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