Nicolas, can you have a look and comment? Thanks. Regards, Rohit Yadav
________________________________ From: li jerry <div...@hotmail.com> Sent: Tuesday, July 16, 2019 6:50:40 AM To: us...@cloudstack.apache.org <us...@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.ya...@shapeblue.com www.shapeblue.com Amadeus House, Floral Street, London WC2E 9DPUK @shapeblue