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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126 Power Systems Enterprise Servers with PowerVM Virtualization and RAS
4.3.3 Planning guidelines and prerequisites
Implementing CHARM requires careful advanced planning and meeting all prerequisites. You
need to request the free pre-sales “I/O Optimization for RAS” services offering. The system
must have spare processor and memory capacity to allow a node to be taken offline for hot
repair or upgrade.
You must configure all critical I/O resources using an operating system multi-path I/O
redundancy configuration, for example, multi-path I/O (MPIO), SDDPCM, PowerPath, HDLM,
and so on).
You must configure redundant I/O paths through separate nodes ...
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