OS support for fault tolerance (re-send)

[Rayson Ho]

(The email below did not show up on the online archive - resending...)

---------- Forwarded message ----------
From: Rayson Ho <raysonlogin at gmail.com>
Date: Tue, Feb 14, 2012 at 12:27 PM
Subject: Re: OS support for fault tolerance


On Tue, Feb 14, 2012 at 11:57 AM, Julian Elischer <julian at freebsd.org> wrote:
> but I'm interested in any answers people may have

The way other OSes handle this is by detecting any abnormal amounts of
faults (sometimes it's not the fault of the hardware - eg. when a
partical from the outerspace hits a core and flips the bit), then the
disable the core(s).

Solaris & mainframe (z/OS) handle it this way, but you should google
and find more info since I don't remember all the details.

Also, see this presentation: "Getting to know the Solaris Fault
Management Architecture (FMA)":
http://www.prefetch.net/presentations/SolarisFaultManagement_Presentation.pdf

Rayson

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