[Beowulf] Acceptable rad limits for cluster rooms?
hahn at physics.mcmaster.ca
Mon Jun 19 09:32:10 EDT 2006
> OK, now to the gory details.
isn't the "kind" of radiation also really important? IANA-physicist,
but alphas are pretty inconsequential to metal-cased stuff, no?
> to get hit, and c) the data sits there a long time. Bear in mind, though,
> that the processor itself is probably pretty susceptible to SEU, and
> doesn't have ECC internally. Nor is the data and address bus
> protected. The same applies to most of the peripheral chips.
hmm, both AMD and Intel claim parity protection on internal buses;
I don't know whether this is just a marketing checkoff...
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