13518219792
1.centos7 安装（centos6 去官方下载相应版本即可）
2.使用备份（全备份）
innobackupex --user=root --password=123456 /home/backupdb/[root@master 2017-07-17_01-55-14]# pwd/home/backupdb/2017-07-17_01-55-14[root@master 2017-07-17_01-55-14]# lltotal 18456-rw-r----- 1 root root 417 Jul 17 01:55 backup-my.cnf-rw-r----- 1 root root 18874368 Jul 17 01:55 ibdata1drwxr-x--- 2 root root 4096 Jul 17 01:55 mysqldrwxr-x--- 2 root root 4096 Jul 17 01:55 performance_schemadrwxr-x--- 2 root root 19 Jul 17 01:55 test-rw-r----- 1 root root 113 Jul 17 01:55 xtrabackup_checkpoints-rw-r----- 1 root root 432 Jul 17 01:55 xtrabackup_info-rw-r----- 1 root root 2560 Jul 17 01:55 xtrabackup_logfile[root@master 2017-07-17_01-55-14]# 生成备份日志 innobackupex --user=root --password=123456 --apply-log /home/backupdb/2017-07-17_01-52-14 [root@master 2017-07-17_01-55-14]# lltotal 49172-rw-r----- 1 root root 417 Jul 17 01:55 backup-my.cnf-rw-r----- 1 root root 18874368 Jul 17 01:56 ibdata1-rw-r----- 1 root root 5242880 Jul 17 01:56 ib_logfile0-rw-r----- 1 root root 5242880 Jul 17 01:56 ib_logfile1-rw-r----- 1 root root 12582912 Jul 17 01:56 ibtmp1drwxr-x--- 2 root root 4096 Jul 17 01:55 mysqldrwxr-x--- 2 root root 4096 Jul 17 01:55 performance_schemadrwxr-x--- 2 root root 19 Jul 17 01:55 test-rw-r----- 1 root root 113 Jul 17 01:56 xtrabackup_checkpoints-rw-r----- 1 root root 432 Jul 17 01:55 xtrabackup_info-rw-r----- 1 root root 8388608 Jul 17 01:56 xtrabackup_logfile3.还原（全部还原）
[root@master 2017-07-17_01-55-14]# ps -ef |grep mysql mysql 2434 1 0 01:47 ? 00:00:00 /bin/sh /usr/bin/mysqld_safe --basedir=/usr mysql 2591 2434 0 01:47 ? 00:00:00 /usr/libexec/mysqld --basedir=/usr --datadir=/var/lib/mysql --plugin-dir=/usr/lib64/mysql/plugin --log-error=/var/log/mariadb/mariadb.log --pid-file=/var/run/mariadb/mariadb.pid --socket=/var/lib/mysql/mysql.sock root 2879 2126 0 01:57 pts/0 00:00:00 grep --color=auto mysql [root@master 2017-07-17_01-55-14]# cd /var/lib/mysql/ [root@master mysql]# ls aria_log.00000001 aria_log_control ibdata1 ib_logfile0 ib_logfile1 mysql mysql.sock performance_schema test [root@master mysql]# ll total 28700 -rw-rw---- 1 mysql mysql 16384 Jul 17 01:47 aria_log.00000001 -rw-rw---- 1 mysql mysql 52 Jul 17 01:47 aria_log_control -rw-rw---- 1 mysql mysql 18874368 Jul 17 01:47 ibdata1 -rw-rw---- 1 mysql mysql 5242880 Jul 17 01:47 ib_logfile0 -rw-rw---- 1 mysql mysql 5242880 Jul 17 01:47 ib_logfile1 drwx------ 2 mysql mysql 4096 Jul 17 01:47 mysql srwxrwxrwx 1 mysql mysql 0 Jul 17 01:47 mysql.sock drwx------ 2 mysql mysql 4096 Jul 17 01:47 performance_schema drwx------ 2 mysql mysql 6 Jul 17 01:47 test [root@master mysql]# rm -rf test [root@master mysql]# [root@master mysql]# systemctl stop mariadb [root@master mysql]# rm -rf /var/lib/mysql/* 还原并启动数据库 innobackupex --defaults-file=/etc/my.cnf --copy-back /home/backupdb/2017-07-17_01-55-14/ 默认还原过来的数据是root权限 数据库启动不起来 chown -R mysql.mysql /var/lib/mysql [root@master mysql]# systemctl start mariadb [root@master mysql]# mysql -uroot -p123456 Welcome to the MariaDB monitor. Commands end with ; or \g. Your MariaDB connection id is 2 Server version: 5.5.52-MariaDB MariaDB Server Copyright (c) 2000, 2016, Oracle, MariaDB Corporation Ab and others. Type 'help;' or '\h' for help. Type '\c' to clear the current input statement. MariaDB [(none)]> MariaDB [(none)]> show databases; +--------------------+ | Database | +--------------------+ | information_schema | | mysql | | performance_schema | | test | +--------------------+ 4 rows in set (0.00 sec) MariaDB [(none)]> 数据全部回来4.增量备份
mkdir -p /home/backupdb/{1,2,3} [root@master backupdb]# innobackupex --defaults-file=/etc/my.cnf --user=root --password=123456 /home/backupdb/1/ 如果数据库有改动可以增量备份 innobackupex --defaults-file=/etc/my.cnf --incremental /home/backupdb/2/ --incremental-basedir=/home/backupdb/1/2017-07-17_02-16-32/ --user=root --password=123456 --incremental 增量备份到那个目录 --incremental-basedir 基于哪个目录进行增量备份 假如数据库再次修改 innobackupex --defaults-file=/etc/my.cnf --incremental /home/backupdb/3/ --incremental-basedir=/home/backupdb/2/2017-07-17_02-19-47/ --user=root --password=1234565.增量备份的数据恢复
先恢复第一次全被的数据
2.增量恢复
innobackupex --apply-log --redo-only /home/backupdb/1/2017-07-17_02-16-32/ innobackupex --apply-log --redo-only /home/backupdb/1/2017-07-17_02-16-32/ --incremental-dir=/home/backupdb/2/2017-07-17_02-19-47/ innobackupex --apply-log --redo-only /home/backupdb/1/2017-07-17_02-16-32/ --incremental-dir=/home/backupdb/3/2017-07-17_02-23-41/3.恢复数据
innobackupex --copy-back /home/backupdb/1/2017-07-17_02-16-32/4.可以看出数据已经回来
[root@master mysql]# ll /var/lib/mysql/ total 18444 -rw-r----- 1 root root 18874368 Jul 17 02:41 ibdata1 drwxr-x--- 2 root root 4096 Jul 17 02:41 mysql drwxr-x--- 2 root root 4096 Jul 17 02:41 performance_schema drwxr-x--- 2 root root 19 Jul 17 02:41 test drwxr-x--- 2 root root 19 Jul 17 02:41 test02 -rw-r----- 1 root root 542 Jul 17 02:41 xtrabackup_info [root@master mysql]# chown -R mysql.mysql * [root@master mysql]#5.启动数据库
[root@master lib]# systemctl start mariadb [root@master lib]# mysql -uroot -p123456 Welcome to the MariaDB monitor. Commands end with ; or \g. Your MariaDB connection id is 2 Server version: 5.5.52-MariaDB MariaDB Server Copyright (c) 2000, 2016, Oracle, MariaDB Corporation Ab and others. Type 'help;' or '\h' for help. Type '\c' to clear the current input statement. MariaDB [(none)]> show databases; +--------------------+ | Database | +--------------------+ | information_schema | | mysql | | performance_schema | | test | | test02 | +--------------------+ 5 rows in set (0.00 sec) MariaDB [(none)]>extrabackup备份的时候 备份mysql的时候安装不兼容 这次
我是备份的mariadb
另外有需要云服务器可以了解下创新互联cdcxhl.cn，海内外云服务器15元起步，三天无理由+7*72小时售后在线，公司持有idc许可证，提供“云服务器、裸金属服务器、高防服务器、香港服务器、美国服务器、虚拟主机、免备案服务器”等云主机租用服务以及企业上云的综合解决方案，具有“安全稳定、简单易用、服务可用性高、性价比高”等特点与优势，专为企业上云打造定制，能够满足用户丰富、多元化的应用场景需求。
