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 5.1.1. ADT for DS4000
Page 62
62 SAN Volume Controller: Best Practices and Performance Guidelines 5.1 Controller affinity and preferred path In this section, we describe the architectural differences between common storage subsystems in terms of controller “ affinity” ( also referred to as preferred controller) and “ preferred path”. In this context, affinity refers to the controller in a dual- controller subsystem that has been assigned access to the back- end storage for a specific LUN under nominal conditions ( that is to say, both controllers are active). Preferred path refers to the host side connections that are physically connected to the controller that has the assigned affinity for the corresponding LUN being accessed. All storage ...
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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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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.