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
IDC 或腾讯云 CVM 上 MySQL 数据库迁移。...检查数据库版本，可支持 MySQL 5.1/5.5/5.6/5.7 版本迁移上云；由于目前腾讯云 TencentDB 已不再支持 MySQL 5.1 版本，因此我们推荐您在迁移前完成 MySQL 5.1...当然您也可以选择使用 DTS 数据迁移工具直接从本地 MySQL 5.1 迁移至腾讯云 TencentDB for MySQL 5.5。...DTS 数据迁移任务分为冷备数据导出和增量数据同步两步，其中，冷备数据导出以及迁移后的数据对比过程会对源库负载产生一定的影响，建议在业务低峰期或在备库上做数据库迁移 开始搭建 1、准备源和目的环境 源：...注意：这里因为选择的是全量迁移，所以会把mysql的user表迁移过来，此时如果我们对cdb mysql 设置了root账号，等迁移完毕后，用root账号登录的时候的密码是我们自建mysql的root密码
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 - $TIMEFLM` -gt 120 ]; then [root@new-master mysql]# 修改之前是300,也就是5分钟,这个监控粒度太粗,所以改为...-4.013-3.el6.x86_64 has missing requires of libmysqlclient.so.16()(64bit) perl-DBD-MySQL-4.013-3.el6....x86_64 has missing requires of libmysqlclient.so.16(libmysqlclient_16)(64bit) php-mysql-5.3.3-40.el6_
要确保mysql 数据库的 datadir是清空的，否则会报错 [root@slave02 data]# cat restore.log nohup: ignoring input Warning:.../usr/bin/innobackupex version 2.3.2 based on MySQL server 5.6.24 Linux (x86_64) (revision id: 306a2e0...) Original data directory /var/lib/mysql is not empty!...) Original data directory /var/lib/mysql is not empty!...开头的文件 如： .bash_history .lesshst .mysql_history .viminfo 要指明删，如 rm -rf .bash_history .lesshst .mysql_history
新版master上安装并启动keepalived 安装并启动keepalived [root@new-master ~]# yum -y install ke...
myisam_recover_options [testuser@slave01 etc]$ 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 ~]#
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
]# 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
/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
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
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>
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
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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