On 22 Jun 2010, at 15:54, David S. Madole wrote: > On 6/22/2010 10:36 AM, Chris Boot wrote: >> I just acquired a new UPS and have been trying to get it to work with NUT. >> It's an Eaton/Powerware 9120 700i with both USB and RS-232 interfaces. >> >> So I moved on to try the serial port instead. Here the UPS also regularly >> loses the connection but at least it doesn't lock the UPS right up - maybe >> that was a fluke. If I restart the driver, the communication is regained for >> a few minutes but then drops again. Below are excerpts from running >> '/lib/nut/bcmxcp -DDD -a pw9120'. >> > I had a similar problem using bcmxcp with an HP3000 XP unit. > > Ultimately what fixed it was adding: > > pollinterval = 5 > > to the definition for the unit in ups.conf. > > A value as low as 3 (compared to the default 2) seemed to be enough to fix > the problem, I went to 5 for some extra margin. I think that sometimes the > poll cycle takes more than two seconds and the next poll somehow steps on the > tail of the previous one. Not sure if this is the same thing you are > experiencing, but the symptom is the same.
Well that seems to have made it less frequent, but it still loses comms at least every few hours. So where do I go from here? Cheers, Chris -- Chris Boot [email protected] _______________________________________________ Nut-upsuser mailing list [email protected] http://lists.alioth.debian.org/mailman/listinfo/nut-upsuser
