节点 ip地址 hostname 系统版本 程序版本
node1 10.4.90.90 mysql1 db1 centos6.8 MariaDB10.0.21 node2 10.4.90.91 mysql2 db2 centos6.8 MariaDB10.0.21 node3 10.4.90.92 mysql3 db3 centos6.8 MariaDB10.0.21
停止防火墙
service iptables stop
chkconfig --level 2345 iptables off
关闭selinux
echo -e "#SELINUX=enforcing #SELINUXTYPE=targeted SELINUX=disabled SETLOCALDEFS=0" > /etc/selinux/config
1、Node1 Node2 Node3节点上安装ntpdate设置定时时间同步和ssh互相
安装ntp
yum install ntpdate
2.在crontab里面加入时钟同步
crontab -e
*/5 * * * * /usr/sbin/ntpdate pool.ntp.org >/dev/null 2>&1
/etc/init.d/crond restart
3.vim /etc/hosts
10.4.90.90 db1 mysql1 10.4.90.91 db2 mysql2 10.4.90.92 db3 mysql3
4.下面是在Node1 Node2 Node3节点上执行，让本机的公钥放到其他节点上
ssh-keygen -t rsa -f ~/.ssh/id_rsa -P '' awk '{if ($0!~/'"$(hostname)"'|localhost/)print $NF}' /etc/hosts |xargs -i ssh-copy-id -i ~/.ssh/id_rsa.pub root@{}
5.在Node1 Node2 Node3节点上安装基础的编译环境
rm -rf /etc/my.cnf rm -rf /etc/init.d/mysql* rm -rf /etc/init.d/php* rm -rf /etc/init.d/http* rm -rf /etc/php.ini yum -y remove httpd yum -y remove http yum -y remove php yum -y remove mysql yum -y remove mysqld yum -y remove mariadb yum -y remove mysql-libs yum -y install readline* gcc* xmlto kernel-devel yum* nc nmap perl screen vim* libaio psmisc wget lrzsz rsync perl-version pcre-devel perl-libs perl-Time-HiRes libtidy libtidy-devel perl-Pod-Simple iptraf sysstat libevent libevent-devel perl-Pod-Escapes perl-Module-Pluggable perl-DBI perl-ExtUtils-CBuilder perl-ExtUtils-MakeMaker tar rrdtool ntp* dos2unix setup* net-snmp-utils net-snmp-devel ruby ruby-devel php-snmp cmake net-snmp-perl net-snmp net-snmp-libs wget elinks make autoconf213 m4 gcc gcc-c++ automake autoconf fontconfig fontconfig-devel libjpeg libjpeg* libjpeg-devel libpng libpng-devel freetype freetype* freetype-devel libxml2 libxml2-devel libdhash libdhash-devel libxslt* zlib zlib-devel glibc glibc-devel glib2 glib2-devel bzip2 bzip2* libc-client libc-client-devel libicu-devel ncurses ncurses-devel xmlrpc-c xmlrpc-c-devel curl curl-devel e2fsprogs e2fsprogs-devel krb5-devel libidn libidn-devel openssl openssl-devel openldap openldap-devel openldap-clients openldap-servers gd gd-devel pam* gettext gettext-devel keyutils compat* mpfr cpp libgomp libstdc++-devel ppl cloog-ppl keyutils-libs-devel libcom_err-devel libsepol-devel libXpm* php-gd ncurses* libtool* patch unzip bison-devel bison libcom_err-devel libsepol-devel gtk* libselinux-devel libtiff* php-common policycoreutils telnet t1lib* nasm* git redhat-lsb-core lsof man net-tools strace sudo system-config-network-tui tcpdump zip bind-utils
6.在Node1 Node2 Node3节点上编译安装MariaDB Galera
rpm地址http://yum.mariadb.org/10.0.21/centos6-amd64/rpms/ cd /etc/yum.repos.d/ mkdir bak mv *.repo bak cp bak/CentOS-Base.repo . vim db.repo [mariadb] name = MariaDB baseurl = http://yum.mariadb.org/10.0.21/centos6-amd64 gpgkey=https://yum.mariadb.org/RPM-GPG-KEY-MariaDB gpgcheck=1 enabled=1
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我用的是和原始上产一样的版本 大家可以选址10.x其他的版本
yum clean all yum makecache yum install socat-1.7.2.4-1.el6.rf.x86_64.rpm yum install MariaDB-Galera-server MariaDB-client galera perl-DBD-MySQL
7.设置mysql密码
/etc/init.d/mysql start
mysqladmin -u root password 回车输入2次新密码
8.创建用于同步数据库的SST帐号
mysql -u root -p mysql> GRANT ALL PRIVILEGES ON *.* TO 'cluster'@'%' IDENTIFIED BY 'lookback' WITH GRANT OPTION; mysql> FLUSH PRIVILEGES; mysql> quit ###验证通过之后停止MariaDB /etc/init.d/mysql stop
9.第一次启动主节点，也就是就是node1 需要--wsrep-new-cluster参数，新节点加入有改写配置文件在启动就不需要加入这个参数了
/etc/init.d/mysql start --wsrep-new-cluster （记得node2启动加入集群后 才能修改配置文件的wsrep_cluster_address） 备注：node节点加入后用SHOW STATUS LIKE 'wsrep%'; 查询就能看到节点的存在
10.配置/etc/my.cnf.d/server.cnf
vim /etc/my.cnf.d/server.cnf [mariadb-10.0] wsrep_on=ON #开启wsrep服务 binlog_format=ROW #日志格式必须为ROW max_connections=128 default-storage-engine=innodb #默认引擎 innodb_autoinc_lock_mode=2 #指定innodb自增长列锁模式，2为交叉锁模式，多个语句能同时执行 innodb_locks_unsafe_for_binlog=1 query_cache_size=2048M query_cache_type=1 table_cache=1024M innodb_additional_mem_pool_size=8M innodb_flush_log_at_trx_commit=0 innodb_log_buffer_size=4M innodb_thread_concurrency=16 key_buffer_size=128M tmp_table_size=128M read_buffer_size=4M read_rnd_buffer_size=16M sort_buffer_size=32M max_connections=1024 bind-address=0.0.0.0 #绑定地址 datadir=/data/mysql #mysql的data存放地址 innodb_log_file_size=100M innodb_file_per_table innodb_flush_log_at_trx_commit=2 wsrep_provider=/usr/lib64/galera/libgalera_smm.so #定Galera库的路径和文件名 ###这里需要注意，如果集群是第一次启动请用当前配置，等其他节点启动起来后将下面两行的注释对换重启本节点就OK wsrep_cluster_address="gcomm://" #wsrep_cluster_address="gcomm://10.4.90.90,10.4.90.91" #协议地址来访问集群中的节点，默认端口 4567 mariadb-galera启动后可以查看4567是否启动 wsrep_cluster_name='cluster1' #为使用中的集群指定名称 wsrep_node_address='10.4.90.90' #同步节点的地址 每个节点配置为自己的IP wsrep_node_name='db1' #同步节点的名字 写本机节点名字 wsrep_sst_method=rsync #指定SST方式，支持RSYNC（最快，需要表锁）一种执行初始状态传输的方法。如果不指定的话，默认值是mysqldump，推荐设置为rsync或xtrabackup。 wsrep_sst_auth=cluster:lookback #同步时候用的用户和密码