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grant replication slave on *.* to backup@192.168.188.128 identified by "123456"; 
grant replication slave on *.* to backup@192.168.188.8 identified by "123456"; 
service mysql stop
server_id = 1
log-bin = mysql-bin
log-error=mysql-error
master-host = 192.168.188.8
master-user = backup
master-password = '123456'
master-port = 3306
master-connect-retry = 20
replicate-ignore-db= mysql
server_id = 2
log-bin = mysql-bin
log-error=mysql-error
master-host = 192.168.188.128
master-user = backup
master-password = '123456'
master-port = 3306
master-connect-retry = 20
replicate-ignore-db= mysql
stop slave;
reset slave;
start slave;
show slave status;


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