# # MW-284 Slave I/O retry on ER_COM_UNKNOWN_ERROR # --source include/galera_cluster.inc --source include/have_innodb.inc --connect node_3, 127.0.0.1, root, , test, $NODE_MYPORT_3 --disable_query_log --eval CHANGE MASTER TO MASTER_HOST='127.0.0.1', MASTER_PORT=$NODE_MYPORT_1, MASTER_USER='root', MASTER_CONNECT_RETRY=1; --enable_query_log --connection node_1 --let $wsrep_sync_wait_state= `SELECT @@global.wsrep_sync_wait;` CREATE TABLE t1 (f1 INTEGER) ENGINE=InnoDB; SET GLOBAL wsrep_provider_options='gmcast.isolate=1'; SET SESSION wsrep_on = OFF; --let $wait_condition = SELECT VARIABLE_VALUE = 'non-Primary' FROM INFORMATION_SCHEMA.GLOBAL_STATUS WHERE VARIABLE_NAME = 'wsrep_cluster_status' --source include/wait_condition.inc SET SESSION wsrep_on = ON; #wsrep_sync_wait is set to zero because when slave tries to connect it it ask for queries like SELECT UNIX_TIMESTAMP() on node 1 which will fail, causing #a warning in slave error log. SET global wsrep_sync_wait=0; --connection node_3 START SLAVE; --let $slave_param= Slave_IO_Running --let $slave_param_value= Connecting --source include/wait_for_slave_param.inc --connection node_1 SET GLOBAL wsrep_provider_options='gmcast.isolate=0'; # We expect the slave to reconnect and resume replication --connection node_3 --source include/wait_for_slave_to_start.inc --connection node_1 --source include/galera_wait_ready.inc INSERT INTO t1 VALUES (1); --connection node_3 --let $wait_condition = SELECT COUNT(*) = 1 FROM INFORMATION_SCHEMA.TABLES WHERE TABLE_NAME = 't1' --source include/wait_condition.inc --let $wait_condition = SELECT COUNT(*) > 0 FROM t1 --source include/wait_condition.inc # Cleanup --connection node_1 DROP TABLE t1; --eval SET global wsrep_sync_wait=$wsrep_sync_wait_state --connection node_3 --let $wait_condition = SELECT COUNT(*) = 0 FROM INFORMATION_SCHEMA.TABLES WHERE TABLE_NAME = 't1' --source include/wait_condition.inc STOP SLAVE; RESET SLAVE ALL; CALL mtr.add_suppression('failed registering on master'); CALL mtr.add_suppression('You need to use --log-bin to make --binlog-format work'); --connection node_1 RESET MASTER; CALL mtr.add_suppression('WSREP: Last Applied Action message in non-primary configuration from member'); --connection node_2 CALL mtr.add_suppression('WSREP: Last Applied Action message in non-primary configuration from member');