[Beowulf] reboot without passing through BIOS?

Mark Hahn hahn at mcmaster.ca
Wed Jul 30 12:38:44 EDT 2008


> If one were to build nodes without ECC memory it would probably be a
> good idea to reboot them from time to time to clean out whatever bad
> bits might have accumulated.

that's pretty cynical, but I suppose also true ;)

> made me wonder if it is really necessary.  Is there a way to configure a
> machine to reboot by having the OS pass control directly to the boot
> loader, and so skip the BIOS?  An additional reason for being able to do

well, there's kexec, which I believe has gotten more mainstream recently.
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