标签：Galera 10.0 Mariadb wsrep etc conf mysql Ububtu mariadb
1. 环境准备
| 主机名 |
IP |
| mysql1 |
10.0.0.10 |
| mysql2 |
10.0.0.11 |
| mysql3 |
10.0.0.12 |
| mysql4 |
10.0.0.13 |
ubuntu22.04
1.1 更改主机名
hostnamectl set-hostname mysql1
hostnamectl set-hostname mysql2
hostnamectl set-hostname mysql3
hostnamectl set-hostname mysql4
1.2 配置hosts解析
cat >> /etc/hosts << EOF
10.0.0.10 mysql1
10.0.0.11 mysql2
10.0.0.12 mysql3
10.0.0.13 mysql4
EOF
1.3 配置apt源
cat > /etc/apt/sources.list << EOF
deb https://mirrors.tuna.tsinghua.edu.cn/ubuntu/ jammy main restricted universe multiverse
deb https://mirrors.tuna.tsinghua.edu.cn/ubuntu/ jammy-updates main restricted universe multiverse
deb https://mirrors.tuna.tsinghua.edu.cn/ubuntu/ jammy-backports main restricted universe multiverse
deb https://mirrors.tuna.tsinghua.edu.cn/ubuntu/ jammy-security main restricted universe multiverse
EOF
# 加载
apt update
2. 安装软件包
apt install -y mariadb-server
3. 编辑配置文件
cd /etc/mysql/mariadb.conf.d/
# 配置启动文件
vim 50-server.cnf
[client]
socket=/var/run/mysqld/mysql.sock
[mysqld]
server-id=1
datadir=/var/lib/mysql
socket=/var/run/mysqld/mysql.sock
log-error=/var/log/mysqld.log
pid-file=/var/run/mysqld/mysqld.pid
binlog_expire_logs_seconds=604800
skip-external-locking
skip-name-resolve
max_connections=5000
connect_timeout=5
wait_timeout=600
max_allowed_packet=16M
thread_cache_size=128
sort_buffer_size=4M
bulk_insert_buffer_size=16M
tmp_table_size=32M
max_heap_table_size=32M
character-set-client-handshake = FALSE
character-set-server = utf8mb4
collation-server = utf8mb4_unicode_ci
init_connect='SET NAMES utf8mb4'
# 配置集群文件
vim 60-galera.cnf
[galera]
wsrep_causal_reads=ON
wsrep_provider_options="gcache.size=128M"
wsrep_certify_nonPK=ON
log-bin=/data/mariadb/binlog/mysql-bin
log_slave_updates=1
query_cache_size=0
wsrep_on=ON
wsrep_provider=/usr/lib/galera/libgalera_smm.so
wsrep_cluster_name=MGC-Cluster
wsrep_cluster_address=gcomm://10.0.0.10,10.0.0.11,10.0.0.12
wsrep_node_name=mysql1
wsrep_node_address=10.0.0.10
wsrep_sst_method=xtrabackup-v2
wsrep_sst_method=rsync
binlog_format=row
default_storage_engine=InnoDB
innodb_autoinc_lock_mode=2
wsrep_slave_threads=8
innodb_flush_log_at_trx_commit=0
innodb_buffer_pool_size=500M
mkdir -pv /data/mariadb/binlog/
chown -R mysql.mysql /data/
4. 引导 GRC 集群
# ubuntu会安装启动服务，这里需要先停止服务
systemctl stop mariadb
galera_new_cluster
mysql
show status like 'wsrep%';
5. 加入集群
5.1 拷贝集群文件
scp 10.0.0.10:/etc/mysql/mariadb.conf.d/50-server.cnf /etc/mysql/mariadb.conf.d/
scp 10.0.0.10:/etc/mysql/mariadb.conf.d/60-galera.cnf /etc/mysql/mariadb.conf.d/
5.2 准备集群文件
mkdir -pv /data/mariadb/binlog/
chown -R mysql.mysql /data/
5.3 编辑配置文件
sed -i "s/mysql1/mysql2/g" /etc/mysql/mariadb.conf.d/60-galera.cnf
sed -i "s/wsrep_node_address=10.0.0.10/wsrep_node_address=10.0.0.11/g" /etc/mysql/mariadb.conf.d/60-galera.cnf
5.4 启动数据库并验证
systemctl restart mariadb
mysql
show status like 'wsrep%';
5.5 拷贝集群文件
scp 10.0.0.10:/etc/mysql/mariadb.conf.d/50-server.cnf /etc/mysql/mariadb.conf.d/
scp 10.0.0.10:/etc/mysql/mariadb.conf.d/60-galera.cnf /etc/mysql/mariadb.conf.d/
5.6 准备集群文件
mkdir -pv /data/mariadb/binlog/
chown -R mysql.mysql /data/
5.7 编辑配置文件
sed -i "s/mysql1/mysql3/g" /etc/mysql/mariadb.conf.d/60-galera.cnf
sed -i "s/wsrep_node_address=10.0.0.10/wsrep_node_address=10.0.0.12/g" /etc/mysql/mariadb.conf.d/60-galera.cnf
5.8 启动数据库并验证
systemctl restart mariadb
mysql
show status like 'wsrep%';
6. 验证集群同步性
create database t1;
create database t2;
create database t3;
show databases;
7. 加入新节点
7.1 重新定义集群文件
cd /etc/mysql/mariadb.conf.d/
# 配置集群文件
vim 60-galera.cnf
[galera]
wsrep_causal_reads=ON
wsrep_provider_options="gcache.size=128M"
wsrep_certify_nonPK=ON
log-bin=/data/mariadb/binlog/mysql-bin
log_slave_updates=1
query_cache_size=0
wsrep_on=ON
wsrep_provider=/usr/lib/galera/libgalera_smm.so
wsrep_cluster_name=MGC-Cluster
wsrep_cluster_address=gcomm://10.0.0.10,10.0.0.11,10.0.0.12,10.0.0.13
wsrep_node_name=mysql1
wsrep_node_address=10.0.0.10
wsrep_sst_method=xtrabackup-v2
wsrep_sst_method=rsync
binlog_format=row
default_storage_engine=InnoDB
innodb_autoinc_lock_mode=2
wsrep_slave_threads=8
innodb_flush_log_at_trx_commit=0
innodb_buffer_pool_size=500M
for i in {2..4};do scp /etc/mysql/mariadb.conf.d/60-galera.cnf root@mysql$i:/etc/mysql/mariadb.conf.d;done
sed -i "s/mysql1/mysql2/g" /etc/mysql/mariadb.conf.d/60-galera.cnf
sed -i "s/wsrep_node_address=10.0.0.10/wsrep_node_address=10.0.0.11/g" /etc/mysql/mariadb.conf.d/60-galera.cnf
systemctl restart mariadb
sed -i "s/mysql1/mysql3/g" /etc/mysql/mariadb.conf.d/60-galera.cnf
sed -i "s/wsrep_node_address=10.0.0.10/wsrep_node_address=10.0.0.12/g" /etc/mysql/mariadb.conf.d/60-galera.cnf
systemctl restart mariadb
sed -i "s/mysql1/mysql4/g" /etc/mysql/mariadb.conf.d/60-galera.cnf
sed -i "s/wsrep_node_address=10.0.0.10/wsrep_node_address=10.0.0.13/g" /etc/mysql/mariadb.conf.d/60-galera.cnf
7.2 准备集群文件
mkdir -pv /data/mariadb/binlog/
chown -R mysql.mysql /data/
7.3 启动数据库并验证
systemctl restart mariadb
mysql
show status like 'wsrep%';
标签：Galera,
10.0,
Mariadb,
wsrep,
etc,
conf,
mysql,
Ububtu,
mariadb
From： https://www.cnblogs.com/wsxier/p/16911091.html