[Gllug] Error correcting memory

[Chris Bell]

On Tue 27 May, Mike Brodbelt wrote:
> 

> 
> Ordinary memory is fine :-). The ECC market is higher end server class
> machines, where the emphasis is on high availability and redundant
> everything. Stray alpha particles can supposedly flip bits from time to
> time, which could conceivably result in an OS crash. There's really no
> need for you to care unless you're shooting for 5 nines reliability.
> 
> I put ECC in my servers, but only because I'm overly paranoid, the cost
> differential isn't too high, and I'm not spending my own money :-).
> Economically speaking, there are definitely systems where if one crash
> is prevented over the lifetime of the machine, the cost differential has
> immediately more than paid for itself.
> 
> Mike.
> 
   I thought that about the only commonly available radiation tolerant
processors are the ARM range using CMOS technology. There are not many
servers that have used them, although I am not sure whether the new Intel
X-range is radiation tolerant.

-- 
Chris Bell



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