Ss Sep25 2:17 /usr/sbin/keepalived -D root 73610 0.0 0.0 112500 2908 ? S Sep25 2:21 \_ /usr/sbin/keepalived -D root 73611 0.0 0.0 112484 2064 ?
[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 127.0.0.1/8 scope host lo inet6 ::1/128 scope host valid_lft forever preferred_lft forever 2: 127.0.0.1/8 scope host lo inet6 ::1/128 scope host valid_lft forever preferred_lft forever 2:
halo 博客默认使用的是嵌入式数据库 H2 Database,因为需求变更需要将数据从 H2 迁移到 MySQL,可以采用下列方式进行数据迁移: 1. halo后台导出数据 2. 修改配置文件application.yaml,启用MySQL数据库 3. 重启 halo 程序 root@SH-Web ~/.halo # systemctl restart halo 4. 开始初始化,完成数据迁移 完成步骤4,点击安装,完成后即可访问站点,之前的文章数据都在
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
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 tablespace "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 ,比如 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: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
/usr/bin/innobackupex version 2.3.2 based on MySQL server 5.6.24 Linux (x86_64) (revision id: 306a2e0 /usr/bin/innobackupex version 2.3.2 based on MySQL server 5.6.24 Linux (x86_64) (revision id: 306a2e0 开头的文件 如: .bash_history .lesshst .mysql_history .viminfo 要指明删,如 rm -rf .bash_history .lesshst .mysql_history .viminfo 或 rm -rf .* 使用 ls -a 以确认 ---- 监测进展 [root@slave02 data]# watch -n 2 du -sh /data/mysql/ 每两秒看一下数据目录大小 nohup /usr/bin/innobackupex --copy-back /data/nfs/test_full_backup/2015-12-09_00-53-03/ >> restore.log 2>
Ss Sep25 2:17 /usr/sbin/keepalived -D root 73610 0.0 0.0 112500 2908 ? S Sep25 2:21 \_ /usr/sbin/keepalived -D root 73611 0.0 0.0 112484 2064 ?
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 x86_64.rpm warning: percona-xtrabackup-2.3.2-1.el6.x86_64.rpm: Header V4 DSA/SHA1 Signature, key ID cd2efd2a .16(libmysqlclient_16)(64bit) 2:postfix-2.6.6-6.el6_5.x86_64 has missing requires of mysql-libs sysbench x86_64.rpm warning: percona-xtrabackup-2.3.2-1.el6.x86_64.rpm: Header V4 DSA/SHA1 Signature, key ID cd2efd2a
nohup /usr/bin/innobackupex --copy-back /data/nfs/test_full_backup/2015-12-09_00-53-03/ >> restore.log 2> /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! /usr/bin/innobackupex version 2.3.2 based on MySQL server 5.6.24 Linux (x86_64) (revision id: 306a2e0 开头的文件 如: .bash_history .lesshst .mysql_history .viminfo 要指明删,如 rm -rf .bash_history .lesshst .mysql_history
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 ~]#
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 x86_64.rpm warning: percona-xtrabackup-2.3.2-1.el6.x86_64.rpm: Header V4 DSA/SHA1 Signature, key ID cd2efd2a .16(libmysqlclient_16)(64bit) 2:postfix-2.6.6-6.el6_5.x86_64 has missing requires of mysql-libs sysbench x86_64.rpm warning: percona-xtrabackup-2.3.2-1.el6.x86_64.rpm: Header V4 DSA/SHA1 Signature, key ID cd2efd2a
---- 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 03:08 wavedb drwx------ 2 mysql mysql 4096 Dec 9 03:08 mobildb drwx------ 2 mysql mysql 4096 Dec 9 02:45 mysql drwx------ 2 mysql mysql 4096 Dec 9 02:49 testdb drwx------ 2 mysql mysql ------ 2 mysql mysql 4096 Dec 9 02:52 functiondb drwx------ 2 mysql mysql 4096 Dec 9 02
vim /etc/keepalived/keepalived.conf [root@new-master ~]# /etc/init.d/keepalived reload ; watch -n .2 my.cnf --user=root --password=xxxxxxxxxx /data/nfs/test_full_backup >> /data/nfs/full_backup.log 2> [root@slave01 data]# cd /var/lib/mysql/ [root@slave01 mysql]# ls livedb slave01-relay-bin.000308 .000309 ibdata1 wavedb mysql-bin.000155 mysql-bin.000160 functiondb mysqltest_his slave01 ib_logfile2 mysql mysql-bin.000158 keydb [root@slave01 mysql]# rm -rf * [root@slave01 mysql
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 etc/my.cnf --user=root --password=xxxxxxxxxx /data/nfs/test_full_backup >> /data/nfs/full_backup.log 2> nohup /usr/bin/innobackupex --copy-back /data/nfs/test_full_backup/2015-12-09_00-53-03/ >> restore.log 2>
启动mysql并且开启同步 [root@slave02 mysql]# mysql -u root -p Enter password: Welcome to the MySQL monitor. =8299670; Query OK, 0 rows affected, 2 warnings (0.01 sec) mysql> show slave status\G ************** etc/my.cnf --user=root --password=xxxxxxxxxx /data/nfs/test_full_backup >> /data/nfs/full_backup.log 2> el6.x86_64.rpm rpm -ivh numactl-2.0.9-2.el6.x86_64.rpm rpm -ivh Percona-Server-client-56-5.6.27-rel75.0 &1 & tail -f restore.log watch -n 2 du -sh /data/mysql/ cat xtrabackup_binlog_pos_innodb chown -R mysql.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>
etc/my.cnf --user=root --password=xxxxxxxxxx /data/nfs/test_full_backup >> /data/nfs/full_backup.log 2> el6.x86_64.rpm rpm -ivh numactl-2.0.9-2.el6.x86_64.rpm rpm -ivh Percona-Server-client-56-5.6.27-rel75.0 [100,/var/lib/mysql/new-master-slow.log]" vim /var/lib/zabbix/percona/scripts/get_mysql_stats_wrapper.sh &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
更新slave mysql版本 [root@slave02 src]# rpm -e Percona-Server-client-51-5.1.73-rel14.11.603.rhel6.x86_64 -4.013-3.el6.x86_64 libmysqlclient.so.16()(64bit) is needed by (installed) php-mysql-5.3.3-40.el6_6. warning: Percona-Server-client-56-5.6.27-rel76.0.el6.x86_64.rpm: Header V4 DSA/SHA1 Signature, key ID cd2efd2a warning: Percona-Server-client-56-5.6.27-rel75.0.el6.x86_64.rpm: Header V4 DSA/SHA1 Signature, key ID cd2efd2a SONAME 'libfnv1a_udf.so'" mysql -e "CREATE FUNCTION fnv_64 RETURNS INTEGER SONAME 'libfnv_udf.so'" mysql