connection node_2; connection node_1; CREATE TABLE t1 (f1 INTEGER NOT NULL PRIMARY KEY) engine=innodb; connect node_1a, 127.0.0.1, root, , test, $NODE_MYPORT_1; connection node_1; SET SESSION wsrep_reject_queries = ALL; ERROR HY000: Variable 'wsrep_reject_queries' is a GLOBAL variable and should be set with SET GLOBAL SET GLOBAL wsrep_reject_queries = ALL; SELECT * FROM t1; Got one of the listed errors SET GLOBAL wsrep_reject_queries = ALL_KILL; connection node_1a; SELECT * FROM t1; Got one of the listed errors connect node_1b, 127.0.0.1, root, , test, $NODE_MYPORT_1; SELECT * FROM t1; Got one of the listed errors connection node_2; SELECT VARIABLE_VALUE = 2 FROM INFORMATION_SCHEMA.GLOBAL_STATUS WHERE VARIABLE_NAME = 'wsrep_cluster_size'; VARIABLE_VALUE = 2 1 INSERT INTO t1 VALUES (1); connect node_1c, 127.0.0.1, root, , test, $NODE_MYPORT_1; SET GLOBAL wsrep_reject_queries = NONE; SELECT COUNT(*) AS EXPECT_1 FROM t1; EXPECT_1 1 DROP TABLE t1;