connection node_2;
connection node_1;
connection node_3;
SELECT VARIABLE_VALUE LIKE '%[::1]%' FROM INFORMATION_SCHEMA.GLOBAL_STATUS WHERE VARIABLE_NAME = 'wsrep_incoming_addresses';
VARIABLE_VALUE LIKE '%[::1]%'
1
SELECT VARIABLE_VALUE = 3 FROM INFORMATION_SCHEMA.GLOBAL_STATUS WHERE VARIABLE_NAME = 'wsrep_cluster_size';
VARIABLE_VALUE = 3
1
connection node_2;
SET GLOBAL wsrep_provider_options='gmcast.isolate=1';
connection node_1;
CREATE TABLE t1 (f1 INTEGER NOT NULL PRIMARY KEY) ENGINE=InnoDB;
INSERT INTO t1 VALUES (1);
connection node_2;
SET GLOBAL wsrep_provider_options='gmcast.isolate=0';
SELECT COUNT(*) AS EXPECT_1 FROM t1;
EXPECT_1
1
DROP TABLE t1;