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Conference decwet::ntaxp

Title:	Windows NT For Alpha AXP

Moderator:	TARKIN::LINEIBER

Created:	Mon Sep 27 1993
Last Modified:	Thu Jun 05 1997
Last Successful Update:	Fri Jun 06 1997
Number of topics:	1058
Total number of notes:	4567

1051.0. "Multi-CPU??" by CHOWDA::GLICKMAN (writing from Newport,RI) Thu May 22 1997 11:10

    My customer asked about this:
    
    	Multi-CPU Alpha running Windows NT 4.0. If one CPU goes back does
    the system keep running minus the one CPU or does the whole system
    go down.
    
    	And while I'm at it would the same apply for an Intel system?
    
    	Thanks.

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1051.1 DECWET::VOBA Thu May 22 1997 11:25 8

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1051.1		DECWET::VOBA		`Thu May 22 1997 11:25`	8
	Re .0, symmetric multi processor is not fault tolerant. That is true independent of the CPU architecture. An SMP system is not guaranteed not to crash when a CPU goes bad. Probability wise, miracles do happen on a quiet system. A well designed SMP system guarantees that the system will boot and functional despite a faulty CPU (which is isolated) and there is at least a functional CPU remains. --svb

    Re .0, symmetric multi processor is not fault tolerant.  That is true
    independent of the CPU architecture.  An SMP system is not guaranteed
    not to crash when a CPU goes bad.  Probability wise, miracles do happen
    on a quiet system.  A well designed SMP system guarantees that the
    system will boot and functional despite a faulty CPU (which is
    isolated) and there is at least a functional CPU remains.
    
    --svb