OS : Rocky 8.8 ACS : 4.18.1 ACS management server listem 8250 port only from ipv6(tcp6) So SystemVMs can not connect to server.
How to Fix to listen on ipv4? 2023-10-04 00:18:10,281 INFO [cloud.agent.Agent] (main:null) Agent [id = 2 : type = PremiumSecondaryStorageResource : zone = 1 : pod = 1 : workers = 5 : host = 10.0.33.1 : port = 8250 2023-10-04 00:18:10,300 INFO [utils.nio.NioClient] (main:null) Connecting to 10.0.33.1:8250 2023-10-04 00:18:13,358 ERROR [utils.nio.NioConnection] (main:null) Unable to initialize the threads. java.net.NoRouteToHostException: No route to host at java.base/sun.nio.ch.Net.connect0(Native Method) at java.base/sun.nio.ch.Net.connect(Net.java:483) at java.base/sun.nio.ch.Net.connect(Net.java:472) at java.base/sun.nio.ch.SocketChannelImpl.connect(SocketChannelImpl.java:692) 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.start(Agent.java:283) at com.cloud.agent.AgentShell.launchNewAgent(AgentShell.java:454) at com.cloud.agent.AgentShell.launchAgentFromClassInfo(AgentShell.java:431) at com.cloud.agent.AgentShell.launchAgent(AgentShell.java:415) at com.cloud.agent.AgentShell.start(AgentShell.java:511) at com.cloud.agent.AgentShell.main(AgentShell.java:541) $ netstat -tulpn Active Internet connections (only servers) Proto Recv-Q Send-Q Local Address Foreign Address State PID/Program name tcp 0 0 0.0.0.0:892 0.0.0.0:* LISTEN 1533/rpc.mountd tcp 0 0 0.0.0.0:2049 0.0.0.0:* LISTEN - tcp 0 0 0.0.0.0:32803 0.0.0.0:* LISTEN - tcp 0 0 0.0.0.0:3306 0.0.0.0:* LISTEN 1127/mysqld tcp 0 0 0.0.0.0:111 0.0.0.0:* LISTEN 1/systemd tcp 0 0 0.0.0.0:662 0.0.0.0:* LISTEN 1532/rpc.statd tcp 0 0 0.0.0.0:22 0.0.0.0:* LISTEN 1036/sshd tcp6 0 0 :::8250 :::* LISTEN 1454/java tcp6 0 0 :::36667 :::* LISTEN 1454/java tcp6 0 0 :::892 :::* LISTEN 1533/rpc.mountd tcp6 0 0 :::41533 :::* LISTEN 1454/java tcp6 0 0 :::2049 :::* LISTEN - tcp6 0 0 :::9090 :::* LISTEN 1454/java tcp6 0 0 :::32803 :::* LISTEN - tcp6 0 0 :::33060 :::* LISTEN 1127/mysqld tcp6 0 0 :::111 :::* LISTEN 1/systemd tcp6 0 0 :::8080 :::* LISTEN 1454/java tcp6 0 0 :::662 :::* LISTEN 1532/rpc.statd tcp6 0 0 :::22 :::* LISTEN 1036/sshd