Errr, my mistake. I need to forward the XML port, not the interactive
port. After forwarding 8651 all works fine!
Regards,
Erich
Am 22.07.2014 15:44, schrieb Erich Focht:
Hello,
I am having similar issues.
A gmetad is running on another host, monitoring a cluster. Its grid name
is GangliaGrid. I created a gmetad.conf on my laptop, with a tunnel to
the remote host, forwarding its XML port (8652) to the localhost:8666.
Telnet to localhost 8666 shows that the remote gmetad answers fine to
queries like /...
The local gmetad (on the laptop) uses in its conf:
debug_level 1
setuid off
gridname LocalGrid
data_source GangliaGrid localhost:8666
trusted_hosts 127.0.0.1
xml_port 18651
interactive_port 18652
rrd_rootdir rrds
Unfortunately I see only timeouts.
Sources are ...
Source: [GangliaGrid, step 15] has 1 sources
127.0.0.1
Data thread 140659923203840 is monitoring [GangliaGrid] data source
127.0.0.1
poll() timeout from source 0 for [GangliaGrid] data source after 0 bytes
read
If I use the same ganglia grid name in both gmetad's, gmetad dies
immediately.
Any idea what's going on?
Best regards,
Erich
Am 23.06.2014 19:13, schrieb Rushton Martin:
I've just updated to ganglia 3.6.0 and am trying to get a grid of
grids configuration working. I started with the original grid which is
visible through gweb. I built a new gmetad.conf for the new grid and
that works fine when viewed from a new instance of gweb. The new grid
uses port 8655 for XML and 8656 for queries. Using telnet to dump the
XML also works fine and there are no obvious structural differences
between it and the output from the original gmetad. However, when I add
the line:
data_source Management localhost:8655
to the master gmetad, not only do I see no output but I see repeated
error messages in /var/log/messages:
Process XML (Management): XML_ParseBuffer() error at line 1: no
element found
I tried scanning the archives and saw similar (but not identical) errors
reported from a few years ago. I gather there was a known bug in gmetad
that caused inputs from other gmetads to be rejected. So:
1) Is the bug still there?
2) Is there a work around?
3) Have I misconfigured it?
Any advice gratefully received.
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