[Beowulf] IB symbol error thresholds for health check scripts ?

Christopher Samuel samuel at unimelb.edu.au
Mon Dec 13 14:43:19 PST 2010


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Hi folks,

We run a bunch of health checks [1] on a compute node through
Torque [2] and if they fail the node gets knocked offline.

One of the checks we do is to check that there are no symbol
errors on the IB link. However, I'm wondering if simply saying
a single error is too brutal for this - what do other people do
about these ?

cheers!
Chris

[1] - for the record we check things like - amount of RAM,
failed DIMMs (via IPMI on IBM or memlog on SGI), number of
cores, number and speed of CPUs, LDAP OK, home directories
accessible, etc.

[2] - checks run prior to a job start, after a job exits
      and every 7.5 minutes (every 10 mom intervals).

- -- 
 Christopher Samuel - Senior Systems Administrator
 VLSCI - Victorian Life Sciences Computational Initiative
 Email: samuel at unimelb.edu.au Phone: +61 (0)3 903 55545
         http://www.vlsci.unimelb.edu.au/

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