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  • MySQL5.7主从-GTID-mysqldump,xtrabackup搭建

    1、两个空库,都是row+gtid,版本为MySQL5.7.22
    mydb1执行:
    (dba_user@localhost) [(none)]> show master status;
    +------------------+----------+--------------+------------------+------------------------------------------+
    | File             | Position | Binlog_Do_DB | Binlog_Ignore_DB | Executed_Gtid_Set                        |
    +------------------+----------+--------------+------------------+------------------------------------------+
    | mysql-bin.000005 |      154 |              |                  | 9831a804-8c25-11e8-9a69-000c2983201e:1-3 |
    +------------------+----------+--------------+------------------+------------------------------------------+
    1 row in set (0.01 sec)
    mydb2执行:
    (dba_user@localhost) [(none)]> reset master;
    (dba_user@localhost) [(none)]> set global GTID_PURGED='9831a804-8c25-11e8-9a69-000c2983201e:1-3';
    (dba_user@localhost) [(none)]> change master to master_host='192.168.1.101',master_port=3306,master_user='dba_user',master_password='msds007',master_auto_position=1;
    (dba_user@localhost) [(none)]> start slave;
    (dba_user@localhost) [(none)]> show slave statusG
    (dba_user@localhost) [(none)]> set global read_only=on;
    (dba_user@localhost) [(none)]> set global super_read_only=on;
     
    2、主库为已有数据库,使用mysqldump方式新搭建从库,都是row+gtid,版本为MySQL5.7.22
    mydb1执行:
    [root@mydb1 ~]# mysqldump -h192.168.1.101 -p3306 -udba_user -pmsds007 --single-transaction --master-data=2 test> test.sql
    出现warning不用理会
    mydb2执行:
    (dba_user@localhost) [test]> source /root/test.sql
    (dba_user@localhost) [test]> reset master;
    (dba_user@localhost) [test]> SET @@GLOBAL.GTID_PURGED='9831a804-8c25-11e8-9a69-000c2983201e:1-433';
    (dba_user@localhost) [(none)]> change master to master_host='192.168.1.101',master_port=3306,master_user='dba_user',master_password='msds007',master_auto_position=1;
    (dba_user@localhost) [(none)]> start slave;
    (dba_user@localhost) [(none)]> show slave statusG
    (dba_user@localhost) [(none)]> set global read_only=on;
    (dba_user@localhost) [(none)]> set global super_read_only=on;
     
    3、主库为已有数据库,使用xtrabackup方式新搭建从库,都是row+gtid,版本为MySQL5.7.22
    使用 my_full_backup.sh 进行备份
    使用 my_full_recover.sh 进行恢复
    mydb2执行:
    (dba_user@localhost) [test]> reset master;
    (dba_user@localhost) [test]> SET @@GLOBAL.GTID_PURGED='9831a804-8c25-11e8-9a69-000c2983201e:1-433';
    (dba_user@localhost) [(none)]> change master to master_host='192.168.1.101',master_port=3306,master_user='dba_user',master_password='msds007',master_auto_position=1;
    (dba_user@localhost) [(none)]> start slave;
    (dba_user@localhost) [(none)]> show slave statusG
    (dba_user@localhost) [(none)]> set global read_only=on;
    (dba_user@localhost) [(none)]> set global super_read_only=on;
     
     
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  • 原文地址:https://www.cnblogs.com/allenhu320/p/11316682.html
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