MYSQL_USER=root
MYSQL_PASS=password
MYSQL_CONN="-u${MYSQL_USER} -p${MYSQL_PASS}"
SQL="SELECT schema_name FROM information_schema.schemata"
SQL="${SQL} WHERE schema_name NOT IN "
SQL="${SQL} ('information_schema','performance_schema','mysql','test','sys')"
DBLIST=`mysql ${MYSQL_CONN} -ANe"${SQL} 2>/dev/null"`
MYSQLDUMP_OPTIONS="--single-transaction --routines --triggers --master-data=2"
mysqldump ${MYSQL_CONN} ${MYSQLDUMP_OPTIONS} -B ${DBLIST} | gzip > DataFromServerA.sql.gz

MYSQL_USER=root
MYSQL_PASS=password
MYSQL_CONN="-u${MYSQL_USER} -p${MYSQL_PASS}"
SQL="SELECT schema_name FROM information_schema.schemata"
SQL="${SQL} WHERE schema_name NOT IN "
SQL="${SQL} ('information_schema','performance_schema','mysql','test','sys')"
DBLIST=`mysql ${MYSQL_CONN} -ANe"${SQL} 2>/dev/null"`
MYSQLDUMP_OPTIONS="--single-transaction --routines --triggers --dump-slave=2"
mysqldump ${MYSQL_CONN} ${MYSQLDUMP_OPTIONS} -B ${DBLIST} | gzip > DataFromServerA.sql.gz

less DataFromServerA.sql.gz | head -23 | tail -2

-- CHANGE MASTER TO MASTER_LOG_FILE='bin-log.001236', MASTER_LOG_POS=102938;

MYSQL_USER=root
MYSQL_PASS=password
MYSQL_CONN="-u${MYSQL_USER} -p${MYSQL_PASS}"
gzip -d < DataFromServerA.sql.gz | mysql ${MYSQL_CONN}

GRANT REPLICATION SLAVE,REPLICATION CLIENT
ON *.* TO 'cutover'@'%'
IDENTIFIED BY 'cutover';

CHANGE MASTER TO
master_host='10.20.30.40',
master_port=3306,
master_user='cutover',
master_password='cutover',
master_log_file='bin-log.001236',
master_log_pos=102938;
START SLAVE;
SLAVE SLAVE STATUSG

SET GLOBAL read_only = 1;
FLUSH TABLES;
FLUSH LOGS;

STOP SLAVE;
RESET SLAVE ALL;