iptables --append INPUT --protocol tcp \
--source 192.168.126.129 --jump ACCEPT
iptables --apend INPUT --protocol tcp \
--source 192.168.126.130 --jump ACCEPT
iptables --append INPUT --protocol tcp \
--source 192.168.126.131 --jump ACCEPT
iptables-save> /etc/sysconfig/iptables-config
grant usage on *.* to sst@'%' identified by 'ssTT-488';
flush privileges;
修改后
[mysqld]
binlog_format = ROW
#bind-address = 192.168.126.129
default_storage_engine = innodb
innodb_autoinc_lock_mode = 2
innodb_flush_log_at_trx_commit = 0
innodb_buffer_pool_size = 122M
wsrep_provider=/usr/lib64/galera/libgalera_smm.so
wsrep_provider_options ="gcache.size = 300M; gcache.page_size = 300M"
wsrep_cluster_name ="MyCluster"
wsrep_cluster_address="gcomm://192.168.126.129"
wsrep_sst_method = rsync
wsrep_node_name = Node11
wsrep_node_address ="192.168.126.129"
wsrep_sst_auth=sst:ssTT-488 #节点N的数据库账户和密码--创建账号密码
wsrep_on=ON
[mysql_safe]
log-error = /var/log/mysqld.log
pid-file = /var/run/mysqld/mysqld.pid
swapon --summary
fallocate -l 512M /swapfile
dd if=/dev/zero of=/swapfile bs=1M count=512
chmod 600 /swapfile
ls -a / | grep swapfile
mkswap /swapfile
swapon /swapfile
vi /etc/fstab
/swapfile none swap defaults 0 0
swapon --summary
galera_new_cluster
show variables like 'character%';
set character_set_server = utf8;
set character_set_database = utf8;
cp /usr/share/mysql/wsrep.cnf /etc/my.cnf.d/
vi /etc/my.cnf.d/wsrep.cnf
garbd -a gcomm://192.168.126.129 -g MyCluster -d
journalctl -xe