Steve,
it may seem strange, but that is the way gmond behaves.
If in all your gmond instances you specify a single unicast
headnode, the only place you will get the XML data payload
is the headnode. The other nodes dump the DTD and nothing else.
If you want to see the data on each of your workers locally, then
in gmond.conf specify a second send channel, ala:
udp_send_channel {
host = headnode
port = 8649
}
udp_send_channel {
host = 127.0.0.1
port = 8649
}
regards,
richard
-----Original Message-----
From: [EMAIL PROTECTED]
[mailto:[EMAIL PROTECTED] On Behalf Of Steve
Webb
Sent: 15 May 2006 19:56
To: [email protected]
Subject: [Ganglia-general] Newbie question - gmond not returning any
metrics
headnode (report01): runs gmetad, gmond and web-frontend and is working
fine.
workers (worker01, worker02, ...): runs gmond and runs fine, but when
telnetting to port 8459 (even from worker01 using localhost), I get no
metrics in the XML:
---------------------
[EMAIL PROTECTED] bin]# telnet localhost 8649
Trying 127.0.0.1...
Connected to localhost.localdomain (127.0.0.1).
Escape character is '^]'.
<?xml version="1.0" encoding="ISO-8859-1" standalone="yes"?> <!DOCTYPE
GANGLIA_XML [
<!ELEMENT GANGLIA_XML (GRID|CLUSTER|HOST)*>
<!ATTLIST GANGLIA_XML VERSION CDATA #REQUIRED>
<!ATTLIST GANGLIA_XML SOURCE CDATA #REQUIRED>
<!ELEMENT GRID (CLUSTER | GRID | HOSTS | METRICS)*>
<!ATTLIST GRID NAME CDATA #REQUIRED>
<!ATTLIST GRID AUTHORITY CDATA #REQUIRED>
<!ATTLIST GRID LOCALTIME CDATA #IMPLIED>
<!ELEMENT CLUSTER (HOST | HOSTS | METRICS)*>
<!ATTLIST CLUSTER NAME CDATA #REQUIRED>
<!ATTLIST CLUSTER OWNER CDATA #IMPLIED>
<!ATTLIST CLUSTER LATLONG CDATA #IMPLIED>
<!ATTLIST CLUSTER URL CDATA #IMPLIED>
<!ATTLIST CLUSTER LOCALTIME CDATA #REQUIRED>
<!ELEMENT HOST (METRIC)*>
<!ATTLIST HOST NAME CDATA #REQUIRED>
<!ATTLIST HOST IP CDATA #REQUIRED>
<!ATTLIST HOST LOCATION CDATA #IMPLIED>
<!ATTLIST HOST REPORTED CDATA #REQUIRED>
<!ATTLIST HOST TN CDATA #IMPLIED>
<!ATTLIST HOST TMAX CDATA #IMPLIED>
<!ATTLIST HOST DMAX CDATA #IMPLIED>
<!ATTLIST HOST GMOND_STARTED CDATA #IMPLIED>
<!ELEMENT METRIC EMPTY>
<!ATTLIST METRIC NAME CDATA #REQUIRED>
<!ATTLIST METRIC VAL CDATA #REQUIRED>
<!ATTLIST METRIC TYPE (string | int8 | uint8 | int16 | uint16 |
int32 | uint32 | float | double | timestamp) #REQUIRED>
<!ATTLIST METRIC UNITS CDATA #IMPLIED>
<!ATTLIST METRIC TN CDATA #IMPLIED>
<!ATTLIST METRIC TMAX CDATA #IMPLIED>
<!ATTLIST METRIC DMAX CDATA #IMPLIED>
<!ATTLIST METRIC SLOPE (zero | positive | negative | both |
unspecified) #IMPLIED>
<!ATTLIST METRIC SOURCE (gmond | gmetric) #REQUIRED>
<!ELEMENT HOSTS EMPTY>
<!ATTLIST HOSTS UP CDATA #REQUIRED>
<!ATTLIST HOSTS DOWN CDATA #REQUIRED>
<!ATTLIST HOSTS SOURCE (gmond | gmetric | gmetad) #REQUIRED>
<!ELEMENT METRICS EMPTY>
<!ATTLIST METRICS NAME CDATA #REQUIRED>
<!ATTLIST METRICS SUM CDATA #REQUIRED>
<!ATTLIST METRICS NUM CDATA #REQUIRED>
<!ATTLIST METRICS TYPE (string | int8 | uint8 | int16 | uint16 |
int32 | uint32 | float | double | timestamp) #REQUIRED>
<!ATTLIST METRICS UNITS CDATA #IMPLIED>
<!ATTLIST METRICS SLOPE (zero | positive | negative | both |
unspecified) #IMPLIED>
<!ATTLIST METRICS SOURCE (gmond | gmetric) #REQUIRED>
]>
<GANGLIA_XML VERSION="3.0.3" SOURCE="gmond">
<CLUSTER NAME="crawl" LOCALTIME="1147718840" OWNER="unspecified"
LATLONG="unspecified" URL="unspecified">
</CLUSTER>
</GANGLIA_XML>
Connection closed by foreign host.
[EMAIL PROTECTED] bin]# gstat
CLUSTER INFORMATION
Name: crawl
Hosts: 0
Gexec Hosts: 0
Dead Hosts: 0
Localtime: Mon May 15 12:47:46 2006
There are no hosts running gexec at this time
[EMAIL PROTECTED] bin]#
---------------------
I'm guessing that there's no multicast issues since I'm just trying to
get
gmond to tell me the locahost's stats, right? Nothing is even leaving
the
machine at this point, I'm just telnetting to the localhost's port and
asking for stats.
I compiled the source on report01 and then just copied gmond, gstats &
gmertic to the workers and started them up. Am I missing something on
the
workers to collect stats?
- Steve
--
EMAIL: (h) [EMAIL PROTECTED] WEB: http://badcheese.com/~steve
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