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 4.2. Node shutdown and node failure
Page 56
56 SAN Volume Controller: Best Practices and Performance Guidelines 4.1 Determining I/ O Groups TotalStorage Productivity Center ( TPC) can help you monitor the CPU performance of each node in an I/ O Group. CPU performance is related to I/ O performance, and when the CPUs become consistently 70% busy, you must consider either: Adding more nodes to the cluster and moving part of the workload onto the new nodes Move some VDisk to another I/ O Group if the other I/ O Group is not busy To see how busy your CPUs are, you can use the TPC performance report by selecting “ CPU Utilization”. Several of the activities that affect CPU utilization are: VDisk activity: The preferred node is responsible for ...
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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.
I’ve been on the O’Reilly platform for more than eight years. I use a couple of learning platforms, but I'm on O'Reilly more than anybody else. When you're there, you start learning. I'm never disappointed.Amir M.
I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.