> -----Original Message-----
> From: Peter Santos [mailto:psantos@(protected)]
snip
>  My other concern was raised by our sysadmin. With our
> SUN machine, if one of the
>  CPU boards crashes, the machine will not always crash
> (not sure about this ..), but
>  he mentioned that with Linux a failed CPU will always
> crash the machine .. any experience here?
Snip
If one of your CPU boards fails outright, I dare say the OS will crash
with it. Sun apparently does have some predictive failure technology
that allows the OS to monitor CPU cache problems and map out the CPU
preemptively, but that is only one of MANY things that could go wrong.

Commodity Intel boxes don't have that capability, you are right (some of
the Fujitsu super computers might).

My experience:
I've never had a modern Intel box (Dell 2650, 2850, 6650's and 2950's)
with a CPU or motherboard failure. It happens don't get me wrong, just
apparently not to me. On the other hand, when I was admin of a Sun E10K
and several smaller boxes we had MULTIPLE "CPU board" failures. I'm
investing in Linux on Intel based on my experience.

In my opinion IT IS FAR MORE LIKELY that you will experience a software
failure or other human failure that causes your server to crash or
malfunction than it is for your motherboards (good quality manufacturer)
to fail.

Andy

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