December 2011
Intermediate to advanced
426 pages
13h 30m
English
book
Power Systems Enterprise Servers with PowerVM Virtualization and RAS
by Dino Quintero, JinHoon Baek, Guillermo Diez, Hassan Elsetohy, Debra Francis, Bing He, Rajesh Jeyapaul, Anil Kalavakolanu, Tejaswini Kaujalgi, David Kgabo, Ricardo Puig, Vani Ramagiri
Content preview from Power Systems Enterprise Servers with PowerVM Virtualization and RAS
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Chapter 1. Introducing POWER7 Enterprise Server RAS and virtualization features 3
In the following section, we present a brief introduction to RAS and virtualization concepts for
IBM Power Systems servers.
1.2.1 Reliability, availability, and serviceability (RAS)
Hardware RAS is defined this way:
1
Reliability: How infrequently a defect or fault is seen in a server.
Availability: How infrequently the functionality of a system or application is impacted by a
fault or defect.
Serviceability: How well faults and their impacts are communicated to users and services,
and how efficiently and non-disruptively they are repaired.
Defined this way
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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.