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From Rohit Yadav <rohit.ya...@shapeblue.com>
Subject Re: Agent LB for CloudStack failed
Date Wed, 17 Jul 2019 00:41:11 GMT
Nicolas, can you have a look and comment? Thanks.

Regards,
Rohit Yadav

________________________________
From: li jerry <div8cn@hotmail.com>
Sent: Tuesday, July 16, 2019 6:50:40 AM
To: users@cloudstack.apache.org <users@cloudstack.apache.org>; dev@cloudstack.apache.org
<dev@cloudstack.apache.org>
Subject: Agent LB for CloudStack failed

Hello everyone

My kvm Agent LB on 4.11.2/4.11.3 failed. When the preferred managment node is forced to power
off, the agent will not immediately connect to the second management node.After 15 minutes,
the agent issues a "No route to host" error and connects to the second management node.

management node:
acs-mn01,172.17.1.141
acs-mn02,172.17.1.142

mysql db node:
acs-db01

kvmm agent node:
test-ceph-node01
test-ceph-node02
test-ceph-node03
test-ceph-node04


global seting

host=172.17.1.142,172.17.1.141
indirect.agent.lb.algorithm=roundrobin
indirect.agent.lb.check.interval=60


Partial agnet logs:

2019-07-15 23:22:39,340 DEBUG [cloud.agent.Agent] (UgentTask-5:null) (logid:) Sending ping:
Seq 1-19: { Cmd , MgmtId: -1, via: 1, Ver : v1, Flags: 11, [{"com.cloud.agent.api.PingRoutingWithNwGroupsCommand":{"newGroupStates":{},"_hostVmStateReport":{},"_gatewayAccessible":true,"_vnetAccessible":true,"hostType
":"Routing","hostId":1,"wait":0}}] }
2019-07-15 23:23:09,960 DEBUG [utils.nio.NioConnection] (Agent-NioConnectionHandler-1:null)
(logid:) Location 1: Socket Socket[addr=/172.17.1.142,port=8250,localport= 34854] closed on
read. Probably -1 returned: No route to host
2019-07-15 23:23:09,960 DEBUG [utils.nio.NioConnection] (Agent-NioConnectionHandler-1:null)
(logid:) Closing socket Socket[addr=/172.17.1.142,port=8250,localport=34854]
2019-07-15 23:23:09,961 DEBUG [cloud.agent.Agent] (Agent-Handler-4:null) (logid:a4e4de49)
Clearing watch list: 2
2019-07-15 23:23:09,962 INFO [cloud.agent.Agent] (Agent-Handler-4:null) (logid:a4e4de49) Lost
connection to host: 172.17.1.142. Attempting reconnection while we still have 0 commands in
Progress.
2019-07-15 23:23:09,963 INFO [utils.nio.NioClient] (Agent-Handler-4:null) (logid:a4e4de49)
NioClient connection closed
2019-07-15 23:23:09,964 INFO [cloud.agent.Agent] (Agent-Handler-4:null) (logid:a4e4de49) Reconnecting
to host:172.17.1.142
2019-07-15 23:23:09,964 INFO [utils.nio.NioClient] (Agent-Handler-4:null) (logid:a4e4de49)
Connecting to 172.17.1.142:8250
2019-07-15 23:23:12,972 ERROR [utils.nio.NioConnection] (Agent-Handler-4:null) (logid:a4e4de49)
Unable to initialize the threads.
java.net.NoRouteToHostException: No route to host
 At sun.nio.ch.Net.connect0(Native Method)
 At sun.nio.ch.Net.connect(Net.java:454)
 At sun.nio.ch.Net.connect(Net.java:446)
 At sun.nio.ch.SocketChannelImpl.connect(SocketChannelImpl.java:648)
 At com.cloud.utils.nio.NioClient.init(NioClient.java:56)
 At com.cloud.utils.nio.NioConnection.start(NioConnection.java:95)
 At com.cloud.agent.Agent.reconnect(Agent.java:517)
 At com.cloud.agent.Agent$ServerHandler.doTask(Agent.java:1091)
 At com.clo

rohit.yadav@shapeblue.comĀ 
www.shapeblue.com
Amadeus House, Floral Street, London  WC2E 9DPUK
@shapeblue
  
 

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