Quick question.

Alexei Roudnev alex at relcom.net
Sun Aug 1 05:08:12 UTC 2004


2 CPU are not for redundancy, but they protects system from crazy process
spending 100% of one CPU (and system still have 50%of capacity).


>
>
>
> --On Saturday, July 31, 2004 20:51 -0700 Michel Py
> <michel at arneill-py.sacramento.ca.us> wrote:
>
>
> > For PCs I install dual Xeons on every production machine for example,
> > even though the CPU power needed for some is a 486; Intel processors do
> > die like anything else; a processor dying will typically lead to a
> > system crash, but it does reboot in single-processor mode when the
> > graveyard dude pushes the reset button. I also try do have RAID-10
> > arrays span over two raid cards; same as CPUs, a RAID card that dies
> > will likely crash the system but it will reboot in degraded mode.
>
> Eh really?  Whenever I've lost a second CPU (primary or secondary) the
> machine was a brick until the secondary CPU was gutted and for Piii
slotted
> systems a terminator board was installed in the secondary slot.
>
> What motherboard(s) you using that are holding up to failures like this?
>
> My experience has shown PSU and motherboard failures are faaaaar more
> common than CPUs.
>
>
> --
> Undocumented Features quote of the moment...
> "It's not the one bullet with your name on it that you
> have to worry about; it's the twenty thousand-odd rounds
> labeled `occupant.'"
>    --Murphy's Laws of Combat
>




More information about the NANOG mailing list