Am 30.05.2016 um 17:27 schrieb Guy COLIN: > > this is an update. I have sorted, filtered all data got previously. > in 61hours 108 triggerings. So as already said it means my 1wire device > directories were ok 99.75% of the time and wrong 0.25%. > When they are wrong the errors are the following > > 108 errors in /mnt/1wire > 50% missing humidity sensor 26.FFD8F1000000 (DS2438) > 50% LCD driver appears twice or even 3 times 29.1C9E09000000 (DS2408) > Double listing of devices means the "Search ROM" trickery fails. Most likely because it's very fragile on any bit. No checksums at all.
You don't have a star topology cabling, do you? Do you have homebrewn slaves in your bus? If not, how do you power the sensor and the LED driver board? With a local power supply, or using additional wires of the bus cable? How long is the bus cable and which cross section the wires have? > at same time 32 errors in /mnt/1wire/uncached or "owdir" output or > "owdir uncached" output > Okay, so your problem isn't related to the owfs daemon. Please do further tests with owdir and owread anyways. > However it's worth to say that during all this time I had no missing measure. > Do you bypass the measurement when the directory listing says the device isn't there? That would explain it. Kind regards Jan ------------------------------------------------------------------------------ What NetFlow Analyzer can do for you? Monitors network bandwidth and traffic patterns at an interface-level. Reveals which users, apps, and protocols are consuming the most bandwidth. Provides multi-vendor support for NetFlow, J-Flow, sFlow and other flows. Make informed decisions using capacity planning reports. https://ad.doubleclick.net/ddm/clk/305295220;132659582;e _______________________________________________ Owfs-developers mailing list Owfs-developers@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/owfs-developers