130 lines
2.3 KiB
Markdown
130 lines
2.3 KiB
Markdown
# 数据库服务器部署
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数据库服务器部署在192.168.0.69和192.168.0.70上，每台主机需安装如下软件包
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```
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Mariadb
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Ipvsadm
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Keepalived
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```
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## 安装mariadb-server
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双机均需要
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用root登录
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安装和配置数据库
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* 安装
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```
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apt update
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apt install mariadb-server
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mysql_secure_installaction
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```
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设置数据库的root用户的密码为Root123
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* 停服务
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```
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systemctl stop mariadb
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```
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* 将mysql数据库的数据目录复制到/d目录下
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```
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cp -a /var/lib/mysql /d
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```
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* 修改或添加 vi /etc/my.cnf, 内容如下
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```
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[client]
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port = 3306
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socket = /tmp/maria.sock
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[mysqld]
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port = 3306
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socket = /tmp/maria.sock
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skip-external-locking
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key_buffer_size = 256M
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max_allowed_packet = 1M
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table_open_cache = 256
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sort_buffer_size = 1M
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read_buffer_size = 1M
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read_rnd_buffer_size = 4M
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myisam_sort_buffer_size = 64M
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thread_cache_size = 8
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query_cache_size= 16M
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thread_concurrency = 4
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datadir=/d/mysql
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server-id=2
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log-bin=mysql-bin
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binlog_format=ROW
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log-slave-updates
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[mysqldump]
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quick
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max_allowed_packet = 16M
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[mysql]
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no-auto-rehash
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[myisamchk]
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key_buffer_size = 128M
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sort_buffer_size = 128M
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read_buffer = 2M
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write_buffer = 2M
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[mysqlhotcopy]
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interactive-timeout
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```
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server-id在两台机器上分别设置为1或2
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* 重启mariadb
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```
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systemctl start mariadb
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```
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## 安装ipvsadm
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```
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apt install ipvsadm
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```
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## 安装keepalived
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* 安装
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```
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apt install keepalived
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```
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* 配置
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在/etc/keepalived目录下，添加或修改keepalived.conf
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```
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! Configuration File for keepalived
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global_defs {
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notification_email {
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root@localhost
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ymq@localhost
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}
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notification_email_from ymq@localhost
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smtp_server 127.0.0.1
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smtp_connect_timeout 30
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router_id LVS_DEVEL
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}
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vrrp_instance VI_1 {
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state MASTER
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interface eth0
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virtual_router_id 90
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priority 100
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advert_int 1
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nopreempt
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authentication {
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auth_type PASS
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auth_pass 1111
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}
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virtual_ipaddress {
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192.168.0.68
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}
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}
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virtual_server 192.168.1.68 3306 {
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delay_loop 6
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lb_algo wrr
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lb_kind dr
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nat_mask 255.255.255.0
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persistence_timeout 50
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protocol TCP
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real_server 192.168.1.70 3306 {
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weight 1
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notify_down /etc/keepalived/mari.sh #当maridb停止时，执行的脚本
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TCP_CHECK {
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connect_timeout 3
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nb_get_retry 3
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delay_before_retry 3
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}
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}
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}
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```
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