Environmental monitoring?

Chris Ross cross+freebsd at distal.com
Sat Feb 8 20:29:18 UTC 2014

  I have a SunFire v240.  When it's operating, it's only about as loud as any other server, except that it will periodically spin up all of the fans and sound like an airliner about to take off.  I'm wondering if this is due to some PROM-level temperature/fan monitoring/control.

  Is there anything in FreeBSD sparc64 (stable/10) for quering any environmental sensors in Sun hardware?  dmesg.boot for the server in question is attached.

                          - Chris

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