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 2. Exploring RAS and virtualization features in more detail 25
2.2.5 Memory RAS features
As defined in the IBM Power 770 and 780 (9117-MMB, 9179-MHB) Technical Overview and
Introduction, REDP-4639-00, and the IBM Power 795 (9119-FHB) Technical Overview and
Introduction, REDP-4640-00, IBM POWER7-based systems include a variety of protection
methods, which were already present in POWER6 servers, that are designed to prevent,
protect, or limit the consequences of memory errors in the system.
Memory error detection schemes
The following methods are the memory error detection schemes:
Hardware scrubbing
Hardware scrubbing is a method that is used to deal with intermittent errors. IBM POWER
processor-based systems periodically address all memor ...
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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.