Hi, By "IPMI web server seems to know that", I would assume the vendor has a web interface on the service process you can access. And that web service presumably says "sensor disabled" or something like that when you try to see a sensor reading?
There are various error codes and settings within a sensor reading to that IPMI can send to indicate the sensor is down/unavailable. FreeIPMI should be handling these and not returning a sensor reading to the user if appropriate. However, if FreeIPMI (and I'm assuming its a recent version) is not outputting that the sensor is unavailable, then there is a chance the sensor is returning a valid value successfully (b/c it's most common to get an error code). It's possible the vendor may be getting information outside of IPMI to determine a sensor is unavailable. There's always a chance I've missed something. Can look further if you're interested. Thanks, Al On Mon, 2017-07-31 at 16:48 +0000, Ludwinski, Richard D wrote: > I am wondering how you can determine if a sensor is active/enabled > using freeIPMI library. > > When the server is powered off the sensors are not active/enabled. > The IPMI web server seems to know that. When the server is powered > on, the web server then show the status correctly. But when I am > using the freeIPMI library and reading the sensors I do not know how > to determine if the data I am reading is valid or not. Any help in > pointing to the correct command(s) would be appreciated. > > Thank you, > > Richard Ludwinski > The Boeing Company > _______________________________________________ > Freeipmi-users mailing list > Freeipmi-users@gnu.org > https://lists.gnu.org/mailman/listinfo/freeipmi-users -- Albert Chu ch...@llnl.gov Computer Scientist High Performance Systems Division Lawrence Livermore National Laboratory _______________________________________________ Freeipmi-users mailing list Freeipmi-users@gnu.org https://lists.gnu.org/mailman/listinfo/freeipmi-users