Details
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Bug
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Status: Closed (View Workflow)
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Critical
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Resolution: Fixed
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10.2(EOL), 10.3(EOL), 10.4(EOL), 10.5, 10.6, 10.7(EOL), 10.8(EOL), 10.9(EOL), 10.11
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None
Description
1. 3 node galera cluster (vmc_a, vmc_b, vmc_c) + GTID Replication (vmc_d)slave
2. Major config parameters for vmc_a, vmc_b and vmc_d
vmc_a
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server-id=1
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gtid_domain_id=11
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wsrep_gtid_domain_id=100
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vmc_b
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server-id=2
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gtid_domain_id=12
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wsrep_gtid_domain_id=100
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vmc_c
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server-id=3
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gtid_domain_id=13
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wsrep_gtid_domain_id=100
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vmc_a : All write transactions will be routed to vmc_a node
vmc_a
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vmc_a
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MariaDB [(none)]> show global variables like '%gtid%';
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+------------------------+-------+
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| Variable_name | Value |
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+------------------------+-------+
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| gtid_binlog_pos | |
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| gtid_binlog_state | |
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| gtid_current_pos | |
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| gtid_domain_id | 11 |
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| gtid_ignore_duplicates | OFF |
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| gtid_slave_pos | |
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| gtid_strict_mode | OFF |
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| wsrep_gtid_domain_id | 100 |
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| wsrep_gtid_mode | OFF |
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+------------------------+-------+
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9 rows in set (0.01 sec)
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MariaDB [(none)]> create database test;
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Query OK, 1 row affected (0.02 sec)
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MariaDB [(none)]> show global variables like '%gtid%';
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+------------------------+--------+
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| Variable_name | Value |
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+------------------------+--------+
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| gtid_binlog_pos | 11-1-1 |
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| gtid_binlog_state | 11-1-1 |
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| gtid_current_pos | 11-1-1 |
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| gtid_domain_id | 11 |
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| gtid_ignore_duplicates | OFF |
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| gtid_slave_pos | |
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| gtid_strict_mode | OFF |
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| wsrep_gtid_domain_id | 100 |
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| wsrep_gtid_mode | OFF |
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+------------------------+--------+
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9 rows in set (0.01 sec)
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CREATE TABLE test.persons (
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Personid int NOT NULL AUTO_INCREMENT,
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LastName varchar(255) NOT NULL,
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FirstName varchar(255),
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Age int,
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PRIMARY KEY (Personid)
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);
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INSERT INTO test.persons (FirstName,LastName) VALUES ('Lars','Aonsen');
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INSERT INTO test.persons (FirstName,LastName) VALUES ('Mars','Monsed');
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INSERT INTO test.persons (FirstName,LastName) VALUES ('Nars','Monsee');
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MariaDB [(none)]> show global variables like '%gtid%'; +------------------------+--------+
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| Variable_name | Value |
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+------------------------+--------+
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| gtid_binlog_pos | 11-1-5 |
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| gtid_binlog_state | 11-1-5 |
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| gtid_current_pos | 11-1-5 |
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| gtid_domain_id | 11 |
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| gtid_ignore_duplicates | OFF |
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| gtid_slave_pos | |
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| gtid_strict_mode | OFF |
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| wsrep_gtid_domain_id | 100 |
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| wsrep_gtid_mode | OFF |
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+------------------------+--------+
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9 rows in set (0.00 sec)
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vmc_b
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MariaDB [(none)]> show global variables like '%gtid%';
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+------------------------+--------+
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| Variable_name | Value |
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+------------------------+--------+
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| gtid_binlog_pos | 12-1-5 |
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| gtid_binlog_state | 12-1-5 |
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| gtid_current_pos | |
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| gtid_domain_id | 12 |
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| gtid_ignore_duplicates | OFF |
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| gtid_slave_pos | |
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| gtid_strict_mode | OFF |
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| wsrep_gtid_domain_id | 100 |
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| wsrep_gtid_mode | OFF |
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+------------------------+--------+
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9 rows in set (0.00 sec)
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vmc_c
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MariaDB [(none)]> show global variables like '%gtid%';
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+------------------------+--------+
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| Variable_name | Value |
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+------------------------+--------+
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| gtid_binlog_pos | 13-1-5 |
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| gtid_binlog_state | 13-1-5 |
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| gtid_current_pos | |
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| gtid_domain_id | 13 |
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| gtid_ignore_duplicates | OFF |
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| gtid_slave_pos | |
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| gtid_strict_mode | OFF |
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| wsrep_gtid_domain_id | 100 |
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| wsrep_gtid_mode | OFF |
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+------------------------+--------+
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9 rows in set (0.00 sec)
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Lets take backup using mariabackup and *mysqldump *
mariabackup and mysqldump backup from vmc_c
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[root@vmc_c fullbackup]# mariabackup --backup --user=backup --password=backup --galera-info --target-dir=/tmp/fullbackup
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[root@vmc_c fullbackup]# mariabackup --prepare --target-dir=/tmp/fullbackup/
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[root@vmc_c fullbackup]# cat xtrabackup_binlog_info
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mysql_bin_c.000002 389
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[root@vmc_c fullbackup]# mysqldump -ubackup -pbackup --master-data=2 --all-databases >/tmp/fullbackup.sql
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[root@vmc_c fullbackup]# head -30 /tmp/fullbackup.sql
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-- MySQL dump 10.16 Distrib 10.2.32-MariaDB, for Linux (x86_64)
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--
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-- Host: localhost Database:
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-- ------------------------------------------------------
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-- Server version 10.2.32-MariaDB-log
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/*!40101 SET @OLD_CHARACTER_SET_CLIENT=@@CHARACTER_SET_CLIENT */;
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/*!40101 SET @OLD_CHARACTER_SET_RESULTS=@@CHARACTER_SET_RESULTS */;
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/*!40101 SET @OLD_COLLATION_CONNECTION=@@COLLATION_CONNECTION */;
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/*!40101 SET NAMES utf8 */;
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/*!40103 SET @OLD_TIME_ZONE=@@TIME_ZONE */;
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/*!40103 SET TIME_ZONE='+00:00' */;
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/*!40014 SET @OLD_UNIQUE_CHECKS=@@UNIQUE_CHECKS, UNIQUE_CHECKS=0 */;
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/*!40014 SET @OLD_FOREIGN_KEY_CHECKS=@@FOREIGN_KEY_CHECKS, FOREIGN_KEY_CHECKS=0 */;
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/*!40101 SET @OLD_SQL_MODE=@@SQL_MODE, SQL_MODE='NO_AUTO_VALUE_ON_ZERO' */;
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/*!40111 SET @OLD_SQL_NOTES=@@SQL_NOTES, SQL_NOTES=0 */;
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--
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-- Position to start replication or point-in-time recovery from
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--
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-- CHANGE MASTER TO MASTER_LOG_FILE='mysql_bin_c.000002', MASTER_LOG_POS=389;
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--
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-- GTID to start replication from
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--
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-- SET GLOBAL gtid_slave_pos='13-1-5';
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[root@vmc_c fullbackup]# cat xtrabackup_binlog_info
mysql_bin_c.000002 389
Attachments
Issue Links
- is blocked by
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MDEV-28134 Error_code: handler error HA_ERR_FOUND_DUPP_KEY with Multi DC Galera Cluster | GTID Replication
- Closed
- relates to
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MDEV-27524 Incorrect binlogs after Galera SST using rsync and mariabackup
- Closed
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MDEV-28583 Galera: binlogs disappear after rsync IST
- Closed
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MDEV-28758 Mariabackup copies binary logs to backup directory
- Closed
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MDEV-29171 changing the value of wsrep_gtid_domain_id with full cluster restart fails on some nodes
- Closed
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MDEV-31905 WSREP GTID MODE is inconsistent
- Closed