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IBM Power Systems 775 for AIX and Linux HPC Solution
book

IBM Power Systems 775 for AIX and Linux HPC Solution

by Dino Quintero, Kerry Bosworth, Puneet Chaudhary, Rodrigo Garcia da Silva, ByungUn Ha, Jose Higino, Marc-Eric Kahle, Tsuyoshi Kamenoue, James Pearson, Mark Perez, Fernando Pizzano, Robert Simon, Kai Sun
October 2012
Intermediate to advanced content levelIntermediate to advanced
358 pages
11h 26m
English
IBM Redbooks
Content preview from IBM Power Systems 775 for AIX and Linux HPC Solution
18 IBM Power Systems 775 for AIX and Linux HPC Solution
The links that are connected on the host side are called the Primary Up Stream (PUS) and
Primary Down Stream (PDS) links. The links on the cascaded side are called the Secondary
Up Stream
(SUS) and Secondary Down Stream (SDS) links.
The SuperNOVA US and downstream links each include two dedicated spare lanes. One of
these lanes is used to repair either a clock or data connection. The other lane is used only to
repair data signal defects. Each segment (host to SuperNOVA or SuperNOVA to SuperNOVA
connection) of a cascaded memory channel is independently deployed of their dedicated
spares per link. This deployment maximizes the ability to survive multiple interconnect hard
failures. The spar ...
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Publisher Resources

ISBN: 073843731XPurchase book