Mysql5.6.22双向复制+KeepAlived如何配置mysql的高可用

小编给大家分享一下Mysql5.6.22双向复制+KeepAlived如何配置mysql的高可用，希望大家阅读完这篇文章之后都有所收获，下面让我们一起去探讨吧！此处)折叠或打开 [root@xxt01 ~]#groupadd mysql[root@xxt01 ~]#useradd -g mysql -s /sbin/nologin -d /opt/mysql mysql2.3 检查 mysql账号
此处)折叠或打开 [root@xxt01 ~]#mkdir -p /usr/local/mysql[root@xxt01 ~]#mkdir -p /usr/local/mysql/data2.4.1 执行cmake：
此处)折叠或打开 mysql> show master status;
+———————+———-+————–+——————+——————-+
| File | Position | Binlog_Do_DB | Binlog_Ignore_DB | Executed_Gtid_Set |
+———————+———-+————–+——————+——————-+
| mysql-binlog.000002 | 624556 | | | |
+———————+———-+————–+——————+——————-+
1 row in set (0.00 sec)

mysql>master 同步操作，参数Slave_IO_Running和Slave_SQL_Running为YES时表示成功，同时无其他错误
点击(此处)折叠或打开 mysql> grant replication slave on *.* to ‘slave’@’10.6.0.203’ identified by ‘123456’;Query OK, 0 rows affected (0.00 sec)
mysql> flush privileges;Query OK, 0 rows affected (0.00 sec)
mysql> change master to master_host=’10.6.0.204′,master_user=’slave’,master_password=’123456′,master_log_file=’mysql-binl免费主机域名og.000002′,master_log_pos=624556;Query OK, 0 rows affected, 2 warnings (0.01 sec)
mysql> start slave;Query OK, 0 rows affected (0.01 sec)mysql> show slave statusG;
*************************** 1. row ***************************
Slave_IO_State: Waiting for master to send event
Master_Host: 10.6.0.204
Master_User: slave
Master_Port: 3306
Connect_Retry: 60
Master_Log_File: mysql-binlog.000002
Read_Master_Log_Pos: 624556
Relay_Log_File: xxt01-relay-bin.000002
Relay_Log_Pos: 286
Relay_Master_Log_File: mysql-binlog.000002
Slave_IO_Running: Yes
Slave_SQL_Running: Yes
Replicate_Do_DB:
Replicate_Ignore_DB:
Replicate_Do_Table:
Replicate_Ignore_Table:
Replicate_Wild_Do_Table:
Replicate_Wild_Ignore_Table:
Last_Errno: 0
Last_Error:
Skip_Counter: 0
Exec_Master_Log_Pos: 624556
Relay_Log_Space: 459
Until_Condition: None
Until_Log_File:
Until_Log_Pos: 0
Master_SSL_Allowed: No
Master_SSL_CA_File:
Master_SSL_CA_Path:
Master_SSL_Cert:
Master_SSL_Cipher:
Master_SSL_Key:
Seconds_Behind_Master: 0
Master_SSL_Verify_Server_Cert: No
Last_IO_Errno: 0
Last_IO_Error:
Last_SQL_Errno: 0
Last_SQL_Error:
Replicate_Ignore_Server_Ids:
Master_Server_Id: 2
Master_UUID: aa208c56-216f-11e6-ace3-000c29065661
Master_Info_File: /usr/local/mysql/data/master.info
SQL_Delay: 0
SQL_Remaining_Delay: NULL
Slave_SQL_Running_State: Slave has read all relay log; waiting for the slave I/O thread to update it
Master_Retry_Count: 86400
Master_Bind:
Last_IO_Error_Timestamp:
Last_SQL_Error_Timestamp:
Master_SSL_Crl:
Master_SSL_Crlpath:
Retrieved_Gtid_Set:
Executed_Gtid_Set:
Auto_Position: 0
1 row in set (0.00 sec)
服务安装，同时保持master和slave服务配置相同。

点击(此处)折叠或打开 [root@xxt01 ~]# tar zxf keepalived-1.2.15.tar.gz[root@xxt01 keepalived-1.2.15]# ./configure –prefix=/usr/local/keepalived[root@xxt01 keepalived-1.2.15]# make && make install[root@xxt01 etc]# cp -a /usr/local/keepalived/etc/rc.d/init.d/keepalived /etc/init.d/[root@xxt01 etc]# cp -a /usr/local/keepalived/etc/sysconfig/keepalived /etc/sysconfig/[root@xxt01 etc]# mkdir /etc/keepalived/[root@xxt01 etc]# cp -a /usr/local/keepalived/etc/keepalived/keepalived.conf /etc/keepalived/[root@xxt01 etc]# cp -a /usr/local/keepalived/sbin/keepalived /usr/sbin/4.1 修改203的 /etc/keepalived/keepalived.conf 文件
点击(此处)折叠或打开 ! Configuration File for keepalived
global_defs {notification_email {acassen@firewall.locfailover@firewall.locsysadmin@firewall.loc}notification_email_from Alexandre.Cassen@firewall.locsmtp_server 192.168.200.1smtp_connect_timeout 30router_id LVS_DEVEL}
vrrp_instance VI_1 {state MASTERinterface eth0virtual_router_id 51priority 100advert_int 1authentication {auth_type PASSauth_pass 1111}virtual_ipaddress {10.6.0.205}}
# set mysqldvirtual_server 10.6.0.205 3306 {delay_loop 6lb_algo wrrlb_kind DRpersistence_timeout 50protocol TCP
real_server 10.6.0.203 3306 {weight 3notify_down /etc/keepalived/killkeepalived.shTCP_CHECK {connect_timeout 10nb_get_retry 3delay_before_retry 3connect_port 3306}}}4.2配置 killkeepalived.sh
点击(此处)折叠或打开 [root@xxt01 etc]# vi /etc/keepalived/killkeepalived.sh#!/bin/shpkill keepalived4.3 分别检查mater和slave的/var/log/message日志，分别做启停mysqld服务测试，信息如下表示服务正常。

点击(此处)折叠或打开 203 master 服务器May 24 15:47:38 xxt01 Keepalived_vrrp[14242]: Configuration is using : 63545 BytesMay 24 15:47:38 xxt01 Keepalived_vrrp[14242]: Using LinkWatch kernel netlink reflector…May 24 15:47:38 xxt01 Keepalived_vrrp[14242]: VRRP sockpool: [ifindex(2), proto(112), unicast(0), fd(10,11)]May 24 15:47:38 xxt01 Keepalived_healthcheckers[14241]: Using LinkWatch kernel netlink reflector…May 24 15:47:38 xxt01 Keepalived_healthcheckers[14241]: Activating healthchecker for service [10.6.0.203]:3306May 24 15:47:39 xxt01 Keepalived_vrrp[14242]: VRRP_Instance(VI_1) Transition to MASTER STATEMay 24 15:47:40 xxt01 Keepalived_vrrp[14242]: VRRP_Instance(VI_1) Entering MASTER STATEMay 24 15:47:40 xxt01 Keepalived_vrrp[14242]: VRRP_Instance(VI_1) setting protocol VIPs.May 24 15:47:40 xxt01 Keepalived_healthcheckers[14241]: Netlink reflector reports IP 10.6.0.205 addedMay 24 15:47:40 xxt01 Keepalived_vrrp[14242]: VRRP_Instance(VI_1) Sending gratuitous ARPs on eth0 for 10.6.0.205May 24 15:47:45 xxt01 Keepalived_vrrp[14242]: VRRP_Instance(VI_1) Sending gratuitous ARPs on eth0 for 10.6.0.205May 24 15:56:27 xxt01 Keepalived_vrrp[14242]: VRRP_Instance(VI_1) Received higher prio advertMay 24 15:56:27 xxt01 Keepalived_vrrp[14242]: VRRP_Instance(VI_1) Entering BACKUP STATEMay 24 15:56:27 xxt01 Keepalived_vrrp[14242]: VRRP_Instance(VI_1) removing protocol VIPs.May 24 15:56:27 xxt01 Keepalived_healthcheckers[14241]: Netlink reflector reports IP 10.6.0.205 removedMay 24 16:01:28 xxt01 Keepalived_vrrp[14242]: VRRP_Instance(VI_1) Transition to MASTER STATEMay 24 16:01:29 xxt01 Keepalived_vrrp[14242]: VRRP_Instance(VI_1) Entering MASTER STATEMay 24 16:01:29 xxt01 Keepalived_vrrp[14242]: VRRP_Instance(VI_1) setting protocol VIPs.May 24 16:01:29 xxt01 Keepalived_vrrp[14242]: VRRP_Instance(VI_1) Sending gratuitous ARPs on eth0 for 10.6.0.205May 24 16:01:29 xxt01 Keepalived_healthcheckers[14241]: Netlink reflector reports IP 10.6.0.205 addedMay 24 16:01:34 xxt01 Keepalived_vrrp[14242]: VRRP_Instance(VI_1) Sending gratuitous ARPs on eth0 for 10.6.0.205May 24 16:08:36 xxt01 Keepalived_vrrp[14242]: VRRP_Instance(VI_1) Received higher prio advertMay 24 16:08:36 xxt01 Keepalived_vrrp[14242]: VRRP_Instance(VI_1) Entering BACKUP STATEMay 24 16:08:36 xxt01 Keepalived_vrrp[14242]: VRRP_Instance(VI_1) removing protocol VIPs.May 24 16:08:36 xxt01 Keepalived_healthcheckers[14241]: Netlink reflector reports IP 10.6.0.205 removed
204 slave 服务器May 24 16:08:36 xxt02 Keepalived[15014]: Starting Keepalived v1.2.15 (05/24,2016)May 24 16:08:36 xxt02 Keepalived[15015]: Starting Healthcheck child process, pid=15016May 24 16:08:36 xxt02 Keepalived[15015]: Starting VRRP child process, pid=15017May 24 16:08:36 xxt02 Keepalived_healthcheckers[15016]: Netlink reflector reports IP 10.6.0.204 addedMay 24 16:08:36 xxt02 Keepalived_healthcheckers[15016]: Netlink reflector reports IP fe80::20c:29ff:fe06:5661 addedMay 24 16:08:36 xxt02 Keepalived_healthcheckers[15016]: Registering Kernel netlink reflectorMay 24 16:08:36 xxt02 Keepalived_healthcheckers[15016]: Registering Kernel netlink command channelMay 24 16:08:36 xxt02 Keepalived_vrrp[15017]: Netlink reflector reports IP 10.6.0.204 addedMay 24 16:08:36 xxt02 Keepalived_vrrp[15017]: Netlink reflector reports IP fe80::20c:29ff:fe06:5661 addedMay 24 16:08:36 xxt02 Keepalived_vrrp[15017]: Registering Kernel netlink reflectorMay 24 16:08:36 xxt02 Keepalived_healthcheckers[15016]: Opening file ‘/etc/keepalived/keepalived.conf’.May 24 16:08:36 xxt02 Keepalived_vrrp[15017]: Registering Kernel netlink command channelMay 24 16:08:36 xxt02 Keepalived_healthcheckers[15016]: Configuration is using : 11978 BytesMay 24 16:08:36 xxt02 Keepalived_vrrp[15017]: Registering gratuitous ARP shared channelMay 24 16:08:36 xxt02 Keepalived_vrrp[15017]: Opening file ‘/etc/keepalived/keepalived.conf’.May 24 16:08:36 xxt02 Keepalived_vrrp[15017]: Configuration is using : 63545 BytesMay 24 16:08:36 xxt02 Keepalived_vrrp[15017]: Using LinkWatch kernel netlink reflector…May 24 16:08:36 xxt02 Keepalived_healthcheckers[15016]: Using LinkWatch kernel netlink reflector…May 24 16:08:36 xxt02 Keepalived_healthcheckers[15016]: Activating healthchecker for service [10.6.0.204]:3306May 24 16:08:36 xxt02 Keepalived_vrrp[15017]: VRRP sockpool: [ifindex(2), proto(112), unicast(0), fd(10,11)]May 24 16:08:36 xxt02 Keepalived_vrrp[15017]: VRRP_Instance(VI_1) Transition to MASTER STATEMay 24 16:08:36 xxt02 Keepalived_vrrp[15017]: VRRP_Instance(VI_1) Received lower prio advert, forcing new electionMay 24 16:08:37 xxt02 Keepalived_vrrp[15017]: VRRP_Instance(VI_1) Entering MASTER STATEMay 24 16:08:37 xxt02 Keepalived_vrrp[15017]: VRRP_Instance(VI_1) setting protocol VIPs.May 24 16:08:37 xxt02 Keepalived_healthcheckers[15016]: Netlink reflector reports IP 10.6.0.205 addedMay 24 16:08:37 xxt02 Keepalived_vrrp[15017]: VRRP_Instance(VI_1) Sending gratuitous ARPs on eth0 for 10.6.0.205May 24 16:08:42 xxt02 Keepalived_vrrp[15017]: VRRP_Instance(VI_1) Sending gratuitous ARPs on eth0 for 10.6.0.205May 24 16:10:14 xxt02 yum[15023]: Installed: 2:nmap-5.51-3.el6.x86_644.4检查服务

点击(此处)折叠或打开 [root@xxt01 mysql]# nmap 10.6.0.205
Starting Nmap 5.51 ( http://nmap.org ) at 2016-05-24 16:14 CSTmass_dns: warning: Unable to determine any DNS servers. Reverse DNS is disabled. Try using –system-dns or specify valid servers with –dns-serversNmap scan report for 10.6.0.205Host is up (0.00029s latency).Not shown: 998 closed portsPORT STATE SERVICE111/tcp open rpcbind3306/tcp open mysqlMAC Address: 00:0C:29:06:56:61 (VMware)
Nmap done: 1 IP address (1 host up) scanned in 1.21 seconds[root@xxt01 mysql]# nmap 10.6.0.203
Starting Nmap 5.51 ( http://nmap.org ) at 2016-05-24 16:15 CSTmass_dns: warning: Unable to determine any DNS servers. Reverse DNS is disabled. Try using –system-dns or specify valid servers with –dns-serversNmap scan report for 10.6.0.203Host is 免费主机域名up (0.0000050s latency).Not shown: 998 closed portsPORT STATE SERVICE111/tcp open rpcbind3306/tcp open mysql
Nmap done: 1 IP address (1 host up) scanned in 0.08 seconds[root@xxt01 mysql]#

[root@xxt01 mysql]# nmap 10.6.0.205
Starting Nmap 5.51 ( http://nmap.org ) at 2016-05-24 16:14 CSTmass_dns: warning: Unable to determine any DNS servers. Reverse DNS is disabled. Try using –system-dns or specify valid servers with –dns-serversNmap scan report for 10.6.0.205Host is up (0.00029s latency).Not shown: 998 closed portsPORT STATE SERVICE111/tcp open rpcbind3306/tcp open mysqlMAC Address: 00:0C:29:06:56:61 (VMware)
Nmap done: 1 IP address (1 host up) scanned in 1.21 seconds[root@xxt01 mysql]# nmap 10.6.0.203
Starting Nmap 5.51 ( http://nmap.org ) at 2016-05-24 16:15 CSTmass_dns: warning: Unable to determine any DNS servers. Reverse DNS is disabled. Try using –system-dns or specify valid servers with –dns-serversNmap scan report for 10.6.0.203Host is up (0.0000050s latency).Not shown: 998 closed portsPORT STATE SERVICE111/tcp open rpcbind3306/tcp open mysql
Nmap done: 1 IP address (1 host up) scanned in 0.08 seconds[root@xxt01 mysql]#看完了这篇文章，相信你对“Mysql5.6.22双向复制+KeepAlived如何配置mysql的高可用”有了一定的了解，如果想了解更多相关知识，欢迎关注云技术行业资讯频道，感谢各位的阅读！

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