In one of my tiny (2 node) clusters, the gmond XML on 1 machines does
not report the correct hostname for the other machine. I'm trying to
figure out why.
How does gmond determine what goes in the <HOST NAME=""> attribute?
My gmond.conf includes:
udp_send_channel {
host = dev-1-dist1
port = 8649
ttl = 1
}
udp_send_channel {
host = dev-1-dist2
port = 8649
ttl = 1
}
On dev-1-dist2:
$ telnet localhost 8649 | grep HOST
<HOST NAME="dev-1-dist2.meteostar.local" IP="10.0.3.31"
REPORTED="1280503440" TN="16" TMAX="20" DMAX="0" LOCATION=""
GMOND_STARTED="1280502260">
<HOST NAME="dev-1-dist1.meteostar.local" IP="10.0.3.32"
REPORTED="1280503454" TN="2" TMAX="20" DMAX="0" LOCATION=""
GMOND_STARTED="1280502234">
On dev-1-dist1:
$ telnet localhost 8649 | grep HOST
<HOST NAME="10.0.3.31" IP="10.0.3.31" REPORTED="1280504565"
TN="1" TMAX="20" DMAX="0" LOCATION="unspecified"
GMOND_STARTED="1280504465">
<HOST NAME="dev-1-dist1.meteostar.local" IP="10.0.3.32"
REPORTED="1280504565" TN="1" TMAX="20" DMAX="0" LOCATION=""
GMOND_STARTED="1280504550">
Both machines use the same DNS servers, and there are correct reverse
lookup records for those IPs.
[r...@dev-1-dist1 software]# nslookup 10.0.3.32
Server: 10.0.0.5
Address: 10.0.0.5#53
32.3.0.10.in-addr.arpa name = dev-1-dist1.meteostar.local.
[r...@dev-1-dist1 software]# nslookup 10.0.3.31
Server: 10.0.0.5
Address: 10.0.0.5#53
31.3.0.10.in-addr.arpa name = dev-1-dist2.meteostar.local.
What else might I need to investigate?
thanks,
alex
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