Stephen, As a former member of U-dub CSE, I will gladly help out. Is there some IM protocol or IRC channel I can reach you on?
Rich(ard) On Thu, Aug 13, 2009 at 6:05 PM, Stephen Spencer<[email protected]> wrote: > I'm trying to revamp an existing Ganglia setup, hopefully being more > organized and open for future expansion about it, but am running into an > issue. > > Here's the setup (all nodes running 3.0.7): > > "webby" is the machine with a gmetad and the web frontend. > > "headnode1" is the headnode of cluster #1, also with gmetad. > > "n01" ... "n03" are nodes in cluster #1, on a private network, each with > gmond. > > (Looking ahead, I have another cluster I'd like to add to this grid, and > possibly more.) > > I set up the "gmond.conf" files on the nodes by creating a default conf file > and then editing it, setting the cluster name. > > Started 'gmond' on the three nodes, and 'telnet localhost 8649' produces the > XML that I expect to see: stats from all three nodes, wrapped in a <CLUSTER> > tag with the name I set. > > So far, so good. > > "headnode1" gets "gmetad" with a "data_source" line like this: > > data_source "grAPHics" n01.sub.domain.edu > > and one more modification from the default, adding the FQDN of "webby" in the > "trusted_hosts" section: > > trusted_hosts webby.domain.edu > > If I type "telnet n01 8649" from the "headnode1" command line I see the XML > stream I expect to see, and saw when I typed the same command on "n01." > > I'm also seeing the collected stats in /var/lib/ganglia/rrds. > > Issue #1: running "gmetad -d10" on "headnode1" gives me this message: > > Going to run as user ganglia > Sources are ... > Source: [grAPHics, step 15] has 1 sources > 10.0.25.1 > tcp_listen() on xml_port failed: Address already in use > > On to "webby," which I'm *hoping* will serve up the graphed statistics for > not only this cluster but other clusters as well. > > Its "gmetad.conf" file has a similar "data_source" line: > > data_source "grAPHics" headnode1.domain.edu > > The web frontend "conf.php" has the "$ganglia_ip" and "$ganglia_port" values > set, but that's definitely not right. > > Here, we have bigger problems / issues: > > - running "gmetad -d10" yields the following: > > Going to run as user ganglia > Sources are ... > Source: [grAPHics, step 15] has 1 sources > aaa.bbb.ccc.ddd <-- the correct IP address for "headnode1" > tcp_listen() on xml_port failed: Address already in use > > - can't telnet to "headnode1" on 8649 / 8650 / 8651 to retrieve XML > > - /var/log/messages contains lots of these: > > <date> <time> webby /usr/sbin/gmetad[29411]: data_thread() got no answer > from any [grAPHics] datasource > > - the web frontend, such as it is, displays no graphs. > <http://fusion.cs.washington.edu/ganglia/?m=&r=hour&s=descending&hc=4> > ('fusion.cs' is "webby") > > So. > > I've got questions: > > - do I need to run a webserver on 'headnode1' so that 'webby' can retrieve > XML from it? > - do I have the 'gmond.conf' files set up correctly on the nodes? > - do I have the 'gmetad.conf' files set up correctlyon the head node and on > the web frontend? > - how do the 'gmetad' processes communicate with each other? > > Can someone please help me? > > Thank you. > > -- > Stephen Spencer | [email protected] | 206-616-3281 > Graphics System Engineer, UW Computer Science Department > Chair, ACM SIGGRAPH Publications Committee > > ------------------------------------------------------------------------------ > Let Crystal Reports handle the reporting - Free Crystal Reports 2008 30-Day > trial. Simplify your report design, integration and deployment - and focus on > what you do best, core application coding. Discover what's new with > Crystal Reports now. http://p.sf.net/sfu/bobj-july > _______________________________________________ > Ganglia-general mailing list > [email protected] > https://lists.sourceforge.net/lists/listinfo/ganglia-general > -- Richard Edward Horner Engineer / Composer / Electric Guitar Virtuoso richhorner.com | rhosts.net | sabayonlinux.org ------------------------------------------------------------------------------ Let Crystal Reports handle the reporting - Free Crystal Reports 2008 30-Day trial. Simplify your report design, integration and deployment - and focus on what you do best, core application coding. Discover what's new with Crystal Reports now. http://p.sf.net/sfu/bobj-july _______________________________________________ Ganglia-general mailing list [email protected] https://lists.sourceforge.net/lists/listinfo/ganglia-general
