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centos5.6系统中mysql5.6主从环境配置安装方法
时间：2014-09-17 编辑：简简单单 来源：一聚教程网
mysql5.6主从环境配置安装
服务器配置:
10.1.1.231 master server
10.1.1.234 slave server
服务器系统为:centos5.6
软件包:
MySQL-client-5.6.13-1.linux_glibc2.5.x86_64.rpm
MySQL-devel-5.6.13-1.linux_glibc2.5.x86_64.rpm
MySQL-server-5.6.13-1.linux_glibc2.5.x86_64.rpm
MySQL-shared-5.6.13-1.linux_glibc2.5.x86_64.rpm
MySQL-shared-compat-5.6.13-1.linux_glibc2.5.x86_64.rpm
MySQL-test-5.6.13-1.linux_glibc2.5.x86_64.rpm
一、安装mysql
| 代码如下 | 复制代码 |
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rpm -ivh MySQL-test-5.6.13-1.linux_glibc2.5.x86_64.rpm |
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二、修改master和slave配置（部分参数要根据实际情况来调整）:
主库/etc/my.cnf配置:
| 代码如下 | 复制代码 |
| [client] port = 3306 socket = /state/partition1/mysql/mysql.sock default-character-set=utf8 [mysqld] server-id=1025 log-bin=mysql-master-bin binlog_format = mixed expire_logs_days=15 max_connections=1000 innodb_flush_log_at_trx_commit=1 sync_binlog=1 binlog-do-db=denovo_ng binlog-ignore-db=mysql,test,information_schema innodb_buffer_pool_size = 46673M skip-name-resolve datadir = /state/partition1/mysql/data port = 3306 socket = /state/partition1/mysql/mysql.sock key_buffer_size=16M max_allowed_packet=16M join_buffer_size = 512M sort_buffer_size = 256M read_rnd_buffer_size = 128M innodb_buffer_pool_size = 40960M sql_mode=NO_ENGINE_SUBSTITUTION,STRICT_TRANS_TABLES |
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从库/etc/my.cnf配置:
| 代码如下 | 复制代码 |
| [client] port = 3306 socket = /state/partition1/mysql/mysql.sock [mysqld] server-id=1052 datadir = /state/partition1/mysql/data port = 3306 socket = /state/partition1/mysql/mysql.sock user=mysql log-bin=mysql-slave-bin max_binlog_size=1000M binlog_format = mixed expire_logs_days=7 innodb_flush_log_at_trx_commit=1 sync_binlog=1 read_only=1 binlog-do-db=denovo_ng binlog-ignore-db=mysql,test,information_schema innodb_buffer_pool_size = 36673M skip-name-resolve max_connections=1000 max_user_connections=490 max_connect_errors=2 key_buffer_size=16M max_allowed_packet=16M join_buffer_size = 512M sort_buffer_size = 256M read_rnd_buffer_size = 128M innodb_buffer_pool_size = 40960M sql_mode=NO_ENGINE_SUBSTITUTION,STRICT_TRANS_TABLES |
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三、进行主从库账号授权:
主库:
| 代码如下 | 复制代码 |
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Slave_IO_Running: Yes Slave_SQL_Running: Yes 表明mysql主从库成功。 |
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接着我们再来看MHA实现mysql5.6主从切换之安装配置
基于这里的master/slave复制，我们这里介绍下MHA软件的安装与测试
一、安装MHA软件:
| 代码如下 | 复制代码 |
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wget http://mysql-master-ha.googlecode.com/files/mha4mysql-node-0.52-0.noarch.rpm rpm -ivh mha4mysql-manager-0.52-0.noarch.rpm
|
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二、配置基本环境:
1、配置master和slave之间可以ssh无密码登陆(这里略)
2、保证mha manager能登陆主从服务器的mysql
10.1.1.231上执行:
| 代码如下 | 复制代码 |
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grant all privileges on *.* to 'root'@'10.1.1.231' identified by 'rootpasswd'; |
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三、修改mha的manager配置文件:
| 代码如下 | 复制代码 |
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[root@localhost mha4mysql-manager-0.52]#mkdir /etc/masterha [server default] |
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四、检测配置:
检查ssh:
| 代码如下 | 复制代码 |
[root@localhost masterha]# masterha_check_ssh --conf=/etc/masterha/app1.cnf Fri Sep 12 15:23:25 2014 - [info] Reading default configuratoins from /etc/masterha_default.cnf.. Fri Sep 12 15:23:25 2014 - [info] Reading application default configurations from /etc/masterha/app1.cnf.. Fri Sep 12 15:23:25 2014 - [info] Reading server configurations from /etc/masterha/app1.cnf.. Fri Sep 12 15:23:25 2014 - [info] Starting SSH connection tests.. Fri Sep 12 15:23:32 2014 - [debug] Fri Sep 12 15:23:25 2014 - [debug] Connecting via SSH from root@10.1.1.231(10.1.1.231) to root@10.1.1.234(10.1.1.234).. Warning: untrusted X11 forwarding setup failed: xauth key data not generated Warning: No xauth data; using fake authentication data for X11 forwarding. Fri Sep 12 15:23:32 2014 - [debug] ok. Fri Sep 12 15:23:38 2014 - [debug] Fri Sep 12 15:23:26 2014 - [debug] Connecting via SSH from root@10.1.1.234(10.1.1.234) to root@10.1.1.231(10.1.1.231).. Warning: untrusted X11 forwarding setup failed: xauth key data not generated Warning: No xauth data; using fake authentication data for X11 forwarding. Warning: untrusted X11 forwarding setup failed: xauth key data not generated Warning: No xauth data; using fake authentication data for X11 forwarding. Fri Sep 12 15:23:38 2014 - [debug] ok. Fri Sep 12 15:23:38 2014 - [info] All SSH connection tests passed successfully. |
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检查mha启动状态:
| 代码如下 | 复制代码 |
| [root@localhost masterha]# masterha_check_status --conf=/etc/masterha/app1.cnf app1 (pid:11444) is running(0:PING_OK), master:10.1.1.231 |
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检查主从复制状态:
| 代码如下 | 复制代码 |
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Fri Sep 12 16:15:12 2014 - [info] Checking replication filtering settings.. Fri Sep 12 16:15:12 2014 - [info] binlog_do_db= denovo_ng, binlog_ignore_db= information_schema,mysql,test Fri Sep 12 16:15:12 2014 - [info] Replication filtering check ok. Fri Sep 12 16:15:12 2014 - [info] Starting SSH connection tests.. Fri Sep 12 16:15:25 2014 - [info] All SSH connection tests passed successfully. Fri Sep 12 16:15:25 2014 - [info] Checking MHA Node version.. Fri Sep 12 16:15:32 2014 - [info] Version check ok. Fri Sep 12 16:15:32 2014 - [info] Checking SSH publickey authentication and checking recovery script configurations on the current master.. Fri Sep 12 16:15:38 2014 - [info] Executing command: save_binary_logs --command=test --start_file=mysql-master-bin.000004 --start_pos=4 --binlog_dir=/state/partition1/mysql/data --output_file=/var/tmp/save_binary_logs_test --manager_version=0.52 Fri Sep 12 16:15:38 2014 - [info] Connecting to root@10.1.1.231(10.1.1.231).. Warning: untrusted X11 forwarding setup failed: xauth key data not generated Warning: No xauth data; using fake authentication data for X11 forwarding. Creating /var/tmp if not exists.. ok. Checking output directory is accessible or not.. ok. Binlog found at /state/partition1/mysql/data, up to mysql-master-bin.000004 Fri Sep 12 16:15:45 2014 - [info] Master setting check done. Fri Sep 12 16:15:45 2014 - [info] Checking SSH publickey authentication and checking recovery script configurations on all alive slave servers.. Fri Sep 12 16:15:45 2014 - [info] Executing command : apply_diff_relay_logs --command=test --slave_user=root --slave_host=10.1.1.234 --slave_ip=10.1.1.234 --slave_port=63306 --workdir=/var/tmp --target_version=5.6.13-log --manager_version=0.52 --relay_log_info=/state/partition1/mysql/data/relay-log.info --slave_pass=xxx Fri Sep 12 16:15:45 2014 - [info] Connecting to root@10.1.1.234(10.1.1.234).. Warning: untrusted X11 forwarding setup failed: xauth key data not generated Warning: No xauth data; using fake authentication data for X11 forwarding. Checking slave recovery environment settings.. Opening /state/partition1/mysql/data/relay-log.info ... ok. Relay log found at /state/partition1/mysql/data, up to compute-0-52-relay-bin.000007 Temporary relay log file is /state/partition1/mysql/data/compute-0-52-relay-bin.000007 Testing mysql connection and privileges..Warning: Using a password on the command line interface can be insecure. mysql: Unknown OS character set 'ISO-8859-15'. mysql: Switching to the default character set 'latin1'. done. Testing mysqlbinlog output.. done. Cleaning up test file(s).. done. Fri Sep 12 16:15:51 2014 - [info] Slaves settings check done. Fri Sep 12 16:15:51 2014 - [info] 10.1.1.231 (current master) +--10.1.1.234 Fri Sep 12 16:15:51 2014 - [info] Checking replication health on 10.1.1.234.. Fri Sep 12 16:15:51 2014 - [info] ok. Fri Sep 12 16:15:51 2014 - master_ip_failover_script is not defined. Fri Sep 12 16:15:51 2014 - shutdown_script is not defined. Fri Sep 12 16:15:51 2014 - [info] Got exit code 0 (Not master dead). MySQL Replication Health is OK. |
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