> Quick question how does the cluster know when a master fails is the a ping if > so what port does that use?
Once the live and backup brokers discover each other they connect to each other via TCP. When that TCP connection breaks the backup essentially knows the live is dead. Your <discovery-group> and <broadcast-group> are configured to use UDP multicast. Is that supported in your cloud environment? Justin ----- Original Message ----- From: "mtod" <m...@thetods.net> To: users@activemq.apache.org Sent: Friday, May 12, 2017 10:47:55 AM Subject: Re: Artemis 2.0 cluster fail over issue Thanks for the response. 3 systems running on AWS Windows 2016 I just trimed it down removing any SSL until I can get this working. I followed the https://github.com/apache/activemq-artemis/tree/master/examples/features/ha/replicated-transaction-failover example. Quick question how does the cluster know when a master fails is the a ping if so what port does that use? Thanks for looking at this. Mike Server1 - Master <configuration xmlns="urn:activemq" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="urn:activemq /schema/artemis-configuration.xsd"> <core xmlns="urn:activemq:core" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="urn:activemq:core "> <name>fmibroker</name> <persistence-enabled>true</persistence-enabled> <jmx-management-enabled>true</jmx-management-enabled> <journal-type>NIO</journal-type> <paging-directory>./data/paging</paging-directory> <bindings-directory>./data/bindings</bindings-directory> <journal-directory>./data/journal</journal-directory> <large-messages-directory>./data/large-messages</large-messages-directory> <journal-datasync>true</journal-datasync> <journal-min-files>2</journal-min-files> <journal-pool-files>-1</journal-pool-files> <journal-buffer-timeout>1488000</journal-buffer-timeout> <connectors> <connector name="netty_connector">tcp://10.121.51.121:61616</connector> </connectors> <disk-scan-period>5000</disk-scan-period> <max-disk-usage>90</max-disk-usage> <global-max-size>100Mb</global-max-size> <acceptors> <acceptor name="netty_acceptor">tcp://10.121.51.121:61616?tcpSendBufferSize=1048576;tcpReceiveBufferSize=1048576;protocols=CORE,AMQP,STOMP,HORNETQ,MQTT,OPENWIRE</acceptor> </acceptors> <cluster-user>xxxxx</cluster-user> <cluster-password>xxxxx</cluster-password> <broadcast-groups> <broadcast-group name="bg-group1"> <group-address>${udp-address:231.7.7.7}</group-address> <group-port>9876</group-port> <broadcast-period>5000</broadcast-period> <connector-ref>netty_connector</connector-ref> </broadcast-group> </broadcast-groups> <discovery-groups> <discovery-group name="dg-group1"> <group-address>${udp-address:231.7.7.7}</group-address> <group-port>9876</group-port> <refresh-timeout>10000</refresh-timeout> </discovery-group> </discovery-groups> <cluster-connections> <cluster-connection name="fmieastcluster"> <connector-ref>netty_connector</connector-ref> <retry-interval>1000</retry-interval> <message-load-balancing>ON_DEMAND</message-load-balancing> <max-hops>1</max-hops> <discovery-group-ref discovery-group-name="dg-group1"/> </cluster-connection> </cluster-connections> <ha-policy> <replication> <master> <cluster-name>fmieastcluster</cluster-name> <group-name>useast</group-name> <check-for-live-server>true</check-for-live-server> </master> </replication> </ha-policy> <management-address>jms.queue.activemq.management</management-address> <security-settings> <security-setting match="jms.queue.activemq.management"> <permission type="manage" roles="admin" /> </security-setting> <security-setting match="#"> <permission type="createNonDurableQueue" roles="admin"/> <permission type="deleteNonDurableQueue" roles="admin"/> <permission type="createDurableQueue" roles="admin"/> <permission type="deleteDurableQueue" roles="admin"/> <permission type="createAddress" roles="admin"/> <permission type="deleteAddress" roles="admin"/> <permission type="consume" roles="admin"/> <permission type="browse" roles="admin"/> <permission type="send" roles="admin"/> <permission type="manage" roles="admin"/> </security-setting> </security-settings> <address-settings> <address-setting match="activemq.management#"> <dead-letter-address>DLQ</dead-letter-address> <expiry-address>ExpiryQueue</expiry-address> <redelivery-delay>0</redelivery-delay> <max-size-bytes>-1</max-size-bytes> <message-counter-history-day-limit>10</message-counter-history-day-limit> <address-full-policy>PAGE</address-full-policy> <auto-create-queues>true</auto-create-queues> <auto-create-addresses>true</auto-create-addresses> <auto-create-jms-queues>true</auto-create-jms-queues> <auto-create-jms-topics>true</auto-create-jms-topics> </address-setting> <address-setting match="#"> <dead-letter-address>DLQ</dead-letter-address> <expiry-address>ExpiryQueue</expiry-address> <redelivery-delay>0</redelivery-delay> <max-size-bytes>-1</max-size-bytes> <message-counter-history-day-limit>10</message-counter-history-day-limit> <address-full-policy>PAGE</address-full-policy> <auto-create-queues>true</auto-create-queues> <auto-create-addresses>true</auto-create-addresses> <auto-create-jms-queues>true</auto-create-jms-queues> <auto-create-jms-topics>true</auto-create-jms-topics> </address-setting> </address-settings> <addresses> <address name="DLQ"> <anycast> <queue name="DLQ" /> </anycast> </address> <address name="ExpiryQueue"> <anycast> <queue name="ExpiryQueue" /> </anycast> </address> </addresses> </core> </configuration> Server2 - Slave <configuration xmlns="urn:activemq" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="urn:activemq /schema/artemis-configuration.xsd"> <core xmlns="urn:activemq:core" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="urn:activemq:core "> <name>fmibroker</name> <persistence-enabled>true</persistence-enabled> <jmx-management-enabled>true</jmx-management-enabled> <journal-type>NIO</journal-type> <paging-directory>./data/paging</paging-directory> <bindings-directory>./data/bindings</bindings-directory> <journal-directory>./data/journal</journal-directory> <large-messages-directory>./data/large-messages</large-messages-directory> <journal-datasync>true</journal-datasync> <journal-min-files>2</journal-min-files> <journal-pool-files>-1</journal-pool-files> <journal-buffer-timeout>1364000</journal-buffer-timeout> <connectors> <connector name="netty_connector">tcp://10.121.49.225:61616</connector> </connectors> <disk-scan-period>5000</disk-scan-period> <max-disk-usage>90</max-disk-usage> <global-max-size>100Mb</global-max-size> <acceptors> <acceptor name="netty_acceptor">tcp://10.121.49.225:61616?tcpSendBufferSize=1048576;tcpReceiveBufferSize=1048576;protocols=CORE,AMQP,STOMP,HORNETQ,MQTT,OPENWIRE</acceptor> </acceptors> <cluster-user>xxxxx</cluster-user> <cluster-password>xxxxx</cluster-password> <broadcast-groups> <broadcast-group name="bg-group1"> <group-address>${udp-address:231.7.7.7}</group-address> <group-port>9876</group-port> <broadcast-period>5000</broadcast-period> <connector-ref>netty_connector</connector-ref> </broadcast-group> </broadcast-groups> <discovery-groups> <discovery-group name="dg-group1"> <group-address>${udp-address:231.7.7.7}</group-address> <group-port>9876</group-port> <refresh-timeout>10000</refresh-timeout> </discovery-group> </discovery-groups> <cluster-connections> <cluster-connection name="fmieastcluster"> <connector-ref>netty_connector</connector-ref> <retry-interval>1000</retry-interval> <message-load-balancing>ON_DEMAND</message-load-balancing> <max-hops>1</max-hops> <discovery-group-ref discovery-group-name="dg-group1"/> </cluster-connection> </cluster-connections> <ha-policy> <replication> <slave> <cluster-name>fmieastcluster</cluster-name> <group-name>useast</group-name> <allow-failback>true</allow-failback> </slave> </replication> </ha-policy> <security-settings> <security-setting match="jms.queue.hornetq.management"> <permission type="manage" roles="admin" /> </security-setting> <security-setting match="#"> <permission type="createNonDurableQueue" roles="admin"/> <permission type="deleteNonDurableQueue" roles="admin"/> <permission type="createDurableQueue" roles="admin"/> <permission type="deleteDurableQueue" roles="admin"/> <permission type="createAddress" roles="admin"/> <permission type="deleteAddress" roles="admin"/> <permission type="consume" roles="admin"/> <permission type="browse" roles="admin"/> <permission type="send" roles="admin"/> <permission type="manage" roles="admin"/> </security-setting> </security-settings> <address-settings> <address-setting match="activemq.management#"> <dead-letter-address>DLQ</dead-letter-address> <expiry-address>ExpiryQueue</expiry-address> <redelivery-delay>0</redelivery-delay> <max-size-bytes>-1</max-size-bytes> <message-counter-history-day-limit>10</message-counter-history-day-limit> <address-full-policy>PAGE</address-full-policy> <auto-create-queues>true</auto-create-queues> <auto-create-addresses>true</auto-create-addresses> <auto-create-jms-queues>true</auto-create-jms-queues> <auto-create-jms-topics>true</auto-create-jms-topics> </address-setting> <address-setting match="#"> <dead-letter-address>DLQ</dead-letter-address> <expiry-address>ExpiryQueue</expiry-address> <redelivery-delay>0</redelivery-delay> <max-size-bytes>-1</max-size-bytes> <message-counter-history-day-limit>10</message-counter-history-day-limit> <address-full-policy>PAGE</address-full-policy> <auto-create-queues>true</auto-create-queues> <auto-create-addresses>true</auto-create-addresses> <auto-create-jms-queues>true</auto-create-jms-queues> <auto-create-jms-topics>true</auto-create-jms-topics> </address-setting> </address-settings> <addresses> <address name="DLQ"> <anycast> <queue name="DLQ" /> </anycast> </address> <address name="ExpiryQueue"> <anycast> <queue name="ExpiryQueue" /> </anycast> </address> </addresses> </core> </configuration> Server3 - Slave <configuration xmlns="urn:activemq" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="urn:activemq /schema/artemis-configuration.xsd"> <core xmlns="urn:activemq:core" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="urn:activemq:core "> <name>fmibroker</name> <persistence-enabled>true</persistence-enabled> <jmx-management-enabled>true</jmx-management-enabled> <journal-type>NIO</journal-type> <paging-directory>./data/paging</paging-directory> <bindings-directory>./data/bindings</bindings-directory> <journal-directory>./data/journal</journal-directory> <large-messages-directory>./data/large-messages</large-messages-directory> <journal-datasync>true</journal-datasync> <journal-min-files>2</journal-min-files> <journal-pool-files>-1</journal-pool-files> <journal-buffer-timeout>1488000</journal-buffer-timeout> <connectors> <connector name="netty_connector">tcp://10.121.44.48:61616</connector> </connectors> <disk-scan-period>5000</disk-scan-period> <max-disk-usage>90</max-disk-usage> <global-max-size>100Mb</global-max-size> <acceptors> <acceptor name="netty_acceptor">tcp://10.121.44.48:61616?tcpSendBufferSize=1048576;tcpReceiveBufferSize=1048576;protocols=CORE,AMQP,STOMP,HORNETQ,MQTT,OPENWIRE</acceptor> </acceptors> <cluster-user>xxxxx</cluster-user> <cluster-password>xxxxx</cluster-password> <broadcast-groups> <broadcast-group name="bg-group1"> <group-address>${udp-address:231.7.7.7}</group-address> <group-port>9876</group-port> <broadcast-period>5000</broadcast-period> <connector-ref>netty_connector</connector-ref> </broadcast-group> </broadcast-groups> <discovery-groups> <discovery-group name="dg-group1"> <group-address>${udp-address:231.7.7.7}</group-address> <group-port>9876</group-port> <refresh-timeout>10000</refresh-timeout> </discovery-group> </discovery-groups> <cluster-connections> <cluster-connection name="fmieastcluster"> <connector-ref>netty_connector</connector-ref> <retry-interval>1000</retry-interval> <message-load-balancing>ON_DEMAND</message-load-balancing> <max-hops>1</max-hops> <discovery-group-ref discovery-group-name="dg-group1"/> </cluster-connection> </cluster-connections> <ha-policy> <replication> <slave> <cluster-name>fmieastcluster</cluster-name> <group-name>useast</group-name> <allow-failback>true</allow-failback> </slave> </replication> </ha-policy> <management-address>jms.queue.activemq.management</management-address> <security-settings> <security-setting match="jms.queue.activemq.management"> <permission type="manage" roles="admin" /> </security-setting> <security-setting match="#"> <permission type="createNonDurableQueue" roles="admin"/> <permission type="deleteNonDurableQueue" roles="admin"/> <permission type="createDurableQueue" roles="admin"/> <permission type="deleteDurableQueue" roles="admin"/> <permission type="createAddress" roles="admin"/> <permission type="deleteAddress" roles="admin"/> <permission type="consume" roles="admin"/> <permission type="browse" roles="admin"/> <permission type="send" roles="admin"/> <permission type="manage" roles="admin"/> </security-setting> </security-settings> <address-settings> <address-setting match="activemq.management#"> <dead-letter-address>DLQ</dead-letter-address> <expiry-address>ExpiryQueue</expiry-address> <redelivery-delay>0</redelivery-delay> <max-size-bytes>-1</max-size-bytes> <message-counter-history-day-limit>10</message-counter-history-day-limit> <address-full-policy>PAGE</address-full-policy> <auto-create-queues>true</auto-create-queues> <auto-create-addresses>true</auto-create-addresses> <auto-create-jms-queues>true</auto-create-jms-queues> <auto-create-jms-topics>true</auto-create-jms-topics> </address-setting> <address-setting match="#"> <dead-letter-address>DLQ</dead-letter-address> <expiry-address>ExpiryQueue</expiry-address> <redelivery-delay>0</redelivery-delay> <max-size-bytes>-1</max-size-bytes> <message-counter-history-day-limit>10</message-counter-history-day-limit> <address-full-policy>PAGE</address-full-policy> <auto-create-queues>true</auto-create-queues> <auto-create-addresses>true</auto-create-addresses> <auto-create-jms-queues>true</auto-create-jms-queues> <auto-create-jms-topics>true</auto-create-jms-topics> </address-setting> </address-settings> <addresses> <address name="DLQ"> <anycast> <queue name="DLQ" /> </anycast> </address> <address name="ExpiryQueue"> <anycast> <queue name="ExpiryQueue" /> </anycast> </address> </addresses> </core> </configuration> -- View this message in context: http://activemq.2283324.n4.nabble.com/Artemis-2-0-cluster-fail-over-issue-tp4726002p4726064.html Sent from the ActiveMQ - 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