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mysql 迁移

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

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mysql 迁移

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

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MySQL 迁移 dm

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...，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..."; 授予权限 -- 授予用户 dbTest 常规权限 grant "PUBLIC","RESOURCE","SOI","SVI","VTI" to "dbTest"; 迁移 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，如果是大小写敏感最好还是不要勾选...列超出定义 7）勾选需要迁移的数据库建议目的模式改为全大写，还是尽量用户名，模式名全大写并且一致 8）勾选要迁移的表 9）迁移迁移问题列长度超出定义问题解决 1）第一种

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mysql 迁移10

]# 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]#

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mysql 迁移2

新版master上安装并启动keepalived 安装并启动keepalived [root@new-master ~]# yum -y install ke...

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mysql 迁移4

[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

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mysql 迁移6

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 ~]#

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mysql 迁移7

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_

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mysql 迁移6

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 ~]#

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mysql 迁移8

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

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mysql 迁移7

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_

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mysql 迁移9

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

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mysql 迁移1

新版master上安装并启动keepalived 安装并启动keepalived [root@new-master ~]# yum -y install ke...

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mysql 迁移9

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

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mysql 迁移2

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

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mysql 迁移10

]# 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]#

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mysql 迁移3

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

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mysql 迁移8

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

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mysql 迁移11

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'...[100,/var/lib/mysql/new-master-slow.log]" vim /var/lib/zabbix/percona/scripts/get_mysql_stats_wrapper.sh.../ cat xtrabackup_binlog_pos_innodb chown -R mysql.mysql /var/lib/mysql/ 原文地址

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mysql 迁移12

/tmp/old /tmp/new id zabbix /etc/init.d/zabbix-agent restart zabbix_get -s new-master -p 10050 -k "mysql.slowlog...[100,/var/lib/mysql/new-master-slow.log]" vim /var/lib/zabbix/percona/scripts/get_mysql_stats_wrapper.sh...grep 120 /var/lib/zabbix/percona/scripts/get_mysql_stats_wrapper.sh yum install libev rpm -e xtrabackup...test_full_backup/2015-12-09_00-53-03/ >> restore.log 2>&1 & tail -f restore.log watch -n 2 du -sh /data/mysql.../ cat xtrabackup_binlog_pos_innodb chown -R mysql.mysql /var/lib/mysql/ 原文地址

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