[Beowulf] Supercomputers face growing resilience problems

Hearns, John john.hearns at mclaren.com
Fri Nov 23 01:22:49 PST 2012


On 22/11/12 21:39, Hearns, John wrote:

> How often have you run a parallel shell to grep through logs on a 
> buch of nodes to look for a certain string or a certain event?

That's what remote syslog is for. :-)


But of course.
The SGI ICE clusters I manage use remote syslog on the nodes to log all events to the rack leaders.
It is a nice architecture.
So yes, I don't spawn off parallel shells that often - I grep through the rack leader's logs.


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