[Beowulf] Node Drop-Off

John Hearns john.hearns at streamline-computing.com
Mon Nov 13 03:21:23 EST 2006

Mark Hahn wrote:

> we (and the vendor) regard this as grounds for repair (usually
> the power supply).
I backup what Mark says.
a) attach a console to the machine, either a serial line or a 

b) run memtest on it, followed by CPUburn or some other 
compute-intensive task for a day or two

c) ask your vendor for support

You mention a BIOS upgrade - get through to technical support for your 
motherboard manufacturer, and get a clear statement of exactly what the 
BIOS upgrade does. Have memory timings or something changed - and check 
thet your memory is supported on that motherboard.

      John Hearns
      Senior HPC Engineer
      Streamline Computing,
      The Innovation Centre, Warwick Technology Park,
      Gallows Hill, Warwick CV34 6UW
      Office: 01926 623130 Mobile: 07841 231235
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