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 8.4.1. VDisk performance
Page 132
132 SAN Volume Controller: Best Practices and Performance Guidelines here, the SVC front- end cache mitigates the high latency at the back end, giving the user a good response time. Although there is no immediate issue with this VDisk, if the workload characteristics change and the VDisk becomes less cache friendly, you need to consider adding another MDisk to the MDG, making sure that it comes from another RAID array, and striping the VDisk across all three MDisks. Figure 8- 5 VDisk I/ O rate 8.4.1 VDisk performance It is vital that you constantly monitor systems when they are performing well so that you can establish baseline levels of good performance. Then, if performance as experienced by the user ...
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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.