前言 有了keepalived和mysql upgrade的技术作基础，可以结合两者完成无逢升级 下面分享一下我的 Best Practice Of Mysql Migration ---- 概要 --...-- 准备工作 下面步骤最好作为准备工作，提前完成，这样可以更有效进行切换，和减少窗口期 挂载NFS 安装软件包的收集(mysql,xtrabackup,keepalived) 安装keepalived
参考链接 此处为语雀内容卡片，点击链接查看：MySQL 5.7.27 迁移 DM 8 · 语雀 迁移前准备 以下中的命名，密码都是可修改的，这里给出的就只是一个例子 创建表空间 # 创建表空间名为 dbTest...dbTest\dbTest.DBF create tablespace "dbTest" datafile 'Z:\fei\data\dm\dbTest\dbTest.DBF' size 2048; 创建用户并指定表空间...，索引表空间 # 创建用户，用户名为：dbTest，密码为：BHbz5xVImkj create user "dbTest" identified by "BHbz5xVImkj" -- 指定用户 dbTest...1）打开 dm 数据迁移工具 2）点击新建迁移 3）选择迁移方式 4）源数据库连接（mysql） 5）目的数据库连接（dm数据库） 6）选择迁移选项 保持对象名大小写：看情况选择，如果是大小写不敏感可以直接勾选...第一种：扩大字段的长度，例如：1.5倍 2）第二种（适用于 mysql 中 varchar 字段）：将 varchar 的字段类型替换成 nvarchar 步骤 在指定表页面中，选中出问题的表，点击转换
myisam_recover_options [testuser@slave01 etc]$ innodb_additional_mem_pool_size 也已经被弃用了,如果有要注释掉 ---- 将zabbit加入mysql...组以方便监控 [root@new-master mysql]# vim /etc/group [root@new-master mysql]# id zabbix uid=496(zabbix) gid...=493(zabbix) groups=493(zabbix),492(mysql) [root@new-master mysql]# /etc/init.d/zabbix-agent restart...]# ---------- [root@zabbix-server ~]# zabbix_get -s new-master -p 10050 -k "mysql.slowlog[100,/var/lib.../mysql/new-master-slow.log]" 2.98465 [root@zabbix-server ~]#
]# chown -R mysql.mysql /var/lib/mysql/ [root@slave02 mysql]# ll total 5916780 drwx------ 2 mysql mysql...---- 2 mysql mysql 36864 Dec 9 03:57 mysqltestt_db drwx------ 2 mysql mysql 4096 Dec 9 03...drwx------ 2 mysql mysql 4096 Dec 9 02:52 ijavadb drwx------ 2 mysql mysql 12288 Dec 9...4096 Dec 9 02:45 mysql drwx------ 2 mysql mysql 4096 Dec 9 02:49 testdb drwx------ 2 mysql mysql...mysql mysql 20480 Dec 9 03:08 /data/mysql/ [root@slave02 mysql]#
[root@slave01 data]# cd /var/lib/mysql/ [root@slave01 mysql]# ls livedb slave01-relay-bin.000308...javadb ijavadb mysql-bin.000154 mysql-bin.000159 relay-log.info backup-my.cnf slave01-relay-bin....000309 ibdata1 wavedb mysql-bin.000155 mysql-bin.000160 functiondb mysqltest_his slave01...-relay-bin.index ib_logfile0 master.info mysql-bin.000156 mysql-bin.index test mysqltestt_db...ib_logfile2 mysql mysql-bin.000158 keydb [root@slave01 mysql]# rm -rf * [root@slave01 mysql
修改zabbix统计数据过期时间 [root@new-master mysql]# vim /var/lib/zabbix/percona/scripts/get_mysql_stats_wrapper.sh...[root@new-master mysql]# grep 120 /var/lib/zabbix/percona/scripts/get_mysql_stats_wrapper.sh if...[ `expr $TIMENOW - $TIMEFLM` -gt 120 ]; then [root@new-master mysql]# 修改之前是300,也就是5分钟,这个监控粒度太粗,所以改为...-4.013-3.el6.x86_64 has missing requires of libmysqlclient.so.16()(64bit) perl-DBD-MySQL-4.013-3.el6....x86_64 has missing requires of libmysqlclient.so.16(libmysqlclient_16)(64bit) php-mysql-5.3.3-40.el6_
新版master上安装并启动keepalived 安装并启动keepalived [root@new-master ~]# yum -y install ke...
innobackupex: Backup created in directory '/data/nfs/test_full_backup/2015-12-09_00-53-03' innobackupex: MySQL...binlog position: filename 'mysql-bin.000004', position 8299670 151209 02:06:09 innobackupex: Connection
要确保mysql 数据库的 datadir是清空的，否则会报错 [root@slave02 data]# cat restore.log nohup: ignoring input Warning:.../usr/bin/innobackupex version 2.3.2 based on MySQL server 5.6.24 Linux (x86_64) (revision id: 306a2e0...) Original data directory /var/lib/mysql is not empty!...) Original data directory /var/lib/mysql is not empty!...开头的文件 如： .bash_history .lesshst .mysql_history .viminfo 要指明删，如 rm -rf .bash_history .lesshst .mysql_history
目的是为了降低业务风险，和数据丢失的风险 通过监控历史数据可以确定这个时间窗口 ---- 关闭原集群mha 由于集群软件在侦测到主服务器失效后会干预相关资源，造成备机身份切换和IP飘移，为了避免这种影响，要关掉集群 [mysql...masterha_check_status --conf=/etc/app1.cnf app1 (pid:18911) is running(0:PING_OK), master:origin-master [mysql...[mysql@slave02 bin]$ masterha_check_status --conf=/etc/app1.cnf app1 is stopped(2:NOT_RUNNING)....[mysql@slave02 bin]$ ps faux | grep manager mysql 27192 0.0 0.0 103244 864 pts/2 S+ 00:23...0:00 \_ grep manager [mysql@slave02 bin]$ ---- 关闭原slave上keepalived
关闭原集群mha 由于集群软件在侦测到主服务器失效后会干预相关资源，造成备机身份切换和IP飘移，为了避免这种影响，要关掉集群 [mysql@slave02 bin]$ masterha_check_status...--conf=/etc/app1.cnf app1 (pid:18911) is running(0:PING_OK), master:origin-master [mysql@slave02 bin...[mysql@slave02 bin]$ masterha_check_status --conf=/etc/app1.cnf app1 is stopped(2:NOT_RUNNING)....[mysql@slave02 bin]$ ps faux | grep manager mysql 27192 0.0 0.0 103244 864 pts/2 S+ 00:23...0:00 \_ grep manager [mysql@slave02 bin]$ ---- 关闭原slave上keepalived
更新slave mysql版本 [root@slave02 src]# rpm -e Percona-Server-client-51-5.1.73-rel14.11.603.rhel6.x86_64...rhel6.x86_64 Percona-Server-shared-51-5.1.73-rel14.11.603.rhel6.x86_64 error: Failed dependencies: mysql...-4.013-3.el6.x86_64 libmysqlclient.so.16()(64bit) is needed by (installed) php-mysql-5.3.3-40.el6_6....-4.013-3.el6.x86_64 libmysqlclient.so.16(libmysqlclient_16)(64bit) is needed by (installed) php-mysql...SONAME 'libfnv1a_udf.so'" mysql -e "CREATE FUNCTION fnv_64 RETURNS INTEGER SONAME 'libfnv_udf.so'" mysql
启动mysql并且开启同步 [root@slave02 mysql]# mysql -u root -p Enter password: Welcome to the MySQL monitor....Your MySQL connection id is 1 Server version: 5.6.27-75.0-log Percona Server (GPL), Release 75.0, Revision...mysql> show slave status\G Empty set (0.00 sec) mysql> CHANGE MASTER TO MASTER_HOST='192.168.66.100'...=8299670; Query OK, 0 rows affected, 2 warnings (0.01 sec) mysql> show slave status\G **************...hostname slave02 mysql>
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