Try starting gmond with a -d10 command line parameter and see what the output tells out. I am guessing that Somewhere in your configuration one of the paths is wrong.
Brad >>> On 4/12/2010 at 10:51 AM, in message <c7e8c7c9.787c%[email protected]>, "Hernandez, Hugo (NIH/NIAID) [C]" <[email protected]> wrote: > Hello there, > I am trying to configure some custom metrics for our cluster. Initially, I > am creating the same python module example described on ganglia wiki ( > http://sourceforge.net/apps/trac/ganglia/wiki/ganglia_gmond_python_modules). > The only different I am doing by respect to the documentation is the > directory areas used for the python modules and the .pyconf files (I am using > the ones provided by Rocks Clusters 5.3). Also, I have changed the name of > the metric to tempHost by respect to the documentation. When I try to load > the graphs by restarting the gmond daemon script, I get the following error > message: > > Apr 12 12:18:32 rocks /usr/sbin/gmond[16637]: Unable to find the metric > information for 'tempHost'. Possible that the module has not been loaded. > > Looking for the loaded modules, I have: > > [r...@rocks ~]# lsof -p `pidof gmond` | grep ganglia > gmond 16637 nobody txt REG 104,1 80173 1173831 > /opt/ganglia/sbin/gmond > gmond 16637 nobody mem REG 104,1 117066 1076176 > /opt/ganglia/lib64/libganglia-3.1.2.so.0.0.0 > gmond 16637 nobody mem REG 104,1 117933 1076166 > /opt/ganglia/lib64/ganglia/modcpu.so > gmond 16637 nobody mem REG 104,1 115507 1076167 > /opt/ganglia/lib64/ganglia/moddisk.so > gmond 16637 nobody mem REG 104,1 115475 1076168 > /opt/ganglia/lib64/ganglia/modload.so > gmond 16637 nobody mem REG 104,1 116749 1076169 > /opt/ganglia/lib64/ganglia/modmem.so > gmond 16637 nobody mem REG 104,1 115853 1076171 > /opt/ganglia/lib64/ganglia/modnet.so > gmond 16637 nobody mem REG 104,1 115219 1076172 > /opt/ganglia/lib64/ganglia/modproc.so > gmond 16637 nobody mem REG 104,1 116461 1076174 > /opt/ganglia/lib64/ganglia/modsys.so > gmond 16637 nobody mem REG 104,1 26760 1076173 > /opt/ganglia/lib64/ganglia/modpython.so > > So I don*t understand why the module is loaded by the OS but the host is not > sending any data to generated the corresponding graph (with its corresponding > rrds information). I have cleaned out the rdds files and regenerated them > with the same result. We are running RHEL 5.4 with Rocks Clusters 5.3 and > Ganglia v3.1.2: > > [r...@rocks ~]# uname -a > Linux rocks.local 2.6.18-164.el5 #1 SMP Tue Aug 18 15:51:48 EDT 2009 x86_64 > x86_64 x86_64 GNU/Linux > > Any help will be really appreciated in order to solve this problem. > > Regards, > -Hugo > > > [r...@rocks ~]# python /opt/ganglia/lib64/ganglia/python_modules/hostTemppy > value for tempHost is 8 > > /opt/ganglia/lib64/ganglia/python_modules/hostTemp.py > def temp_handler(name): > acpi_file = "/proc/acpi/thermal_zone/THM0/temperature" > > try: > f = open(acpi_file, 'r') > > except IOError: > return 0 > > for l in f: > line = l.split() > > return int(line[1]) > > def metric_init(params): > global descriptors > > d1 = {'name': 'tempHost', > 'call_back': temp_handler, > 'time_max': 90, > 'value_type': 'uint', > 'units': 'C', > 'slope': 'both', > 'format': '%u', > 'description': 'Temperature of host', > 'groups': 'health'} > > descriptors = [d1] > > return descriptors > > def metric_cleanup(): > '''Clean up the metric module.''' > pass > > #This code is for debugging and unit testing > if __name__ == '__main__': > metric_init(None) > for d in descriptors: > v = d['call_back'](d['name']) > print 'value for %s is %u' % (d['name'], v) > > > /opt/ganglia/etc/conf.d/temp.pyconf > modules { > module { > name = "tempHost" > language = "python" > # The following params are examples only > # They are not actually used by the temp module > param RandomMax { > value = 600 > } > param ConstantValue { > value = 112 > } > } > } > > collection_group { > collect_every = 10 > time_threshold = 50 > metric { > name = "tempHost" > title = "Temperature" > value_threshold = 70 > } > } > > > -- > "Si seus esforços, foram vistos com indefrença, não desanime, que o sol faze > un espectacolo maravilhoso todas as manhãs cuando a maior parte das pessoas, > ainda estam durmindo" > > - Anónimo brasileiro > > Disclaimer: The information in this e-mail and any of its attachments is > confidential and may contain sensitive information. 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