Hi, I've set up a HA Hot-Standby config according to docs but I can't figure
out why the servers doesn't listen on port 8000.
I thought that was the port configured for heartbeat. I'm a little confused and
would be very happy if someone could explain how this is supposed to work ?
I'm running KEA on RHEL 8 servers installed from KEA 2.0 repo using yum
install.
My HA config for primary server (pls ignore any missing parentheses ad this is
just an extract:
"library": "/usr/lib64/kea/hooks/libdhcp_ha.so",
"parameters": {
"high-availability": [{
"this-server-name": "tst-dhcp01",
"mode": "hot-standby",
"heartbeat-delay": 10000,
"max-response-delay": 10000,
"max-ack-delay": 5000,
"max-unacked-clients": 5,
"multi-threading": {
"enable-multi-threading": true,
"http-dedicated-listener": true,
"http-listener-threads": 4,
"http-client-threads": 4
},
"peers": [{
"name": "tst-dhcp01",
"url": "http://10.123.10.10:8000/";,
"role": "primary",
"auto-failover": true
},{
"name": "tst-dhcp02",
"url": "http://10.123.20.20:8000/";,
"role": "standby",
"auto-failover": true
}]
and for standby server:
"library": "/usr/lib64/kea/hooks/libdhcp_ha.so",
"parameters": {
"high-availability": [{
"this-server-name": "tst-dhcp02",
"mode": "hot-standby",
"heartbeat-delay": 10000,
"max-response-delay": 10000,
"max-ack-delay": 5000,
"max-unacked-clients": 5,
"multi-threading": {
"enable-multi-threading": true,
"http-dedicated-listener": true,
"http-listener-threads": 4,
"http-client-threads": 4
},
"peers": [{
"name": "tst-dhcp01",
"url": "http://10.123.10.10:8000/";,
"role": "primary",
"auto-failover": true
},{
"name": "tst-dhcp02",
"url": "http://10.123.20.20:8000/";,
"role": "standby",
"auto-failover": true
}] /* peers */
}] /* high-availability */
}
Kea-debug.log shows :
HA_HEARTBEAT_COMMUNICATIONS_FAILED failed to send heartbeat to tst-dhcp02
(http://10.123.20.20:8000/): Connection refused
HA_COMMUNICATION_INTERRUPTED communication with tst-dhcp02 is interrupted
And similar on the standby server but differet IP-address and name of course.
./PerW
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