xtrabackup 的使用

一、安装包准备

1. wget https://downloads.mysql.com/archives/get/p/23/file/mysql-community-libs-compat-5.7.30-1.el7.x86_64.rpm
2. wget https://downloads.mysql.com/archives/get/p/23/file/mysql-community-libs-5.7.30-1.el7.x86_64.rpm
3. wget https://downloads.mysql.com/archives/get/p/23/file/mysql-community-common-5.7.30-1.el7.x86_64.rpm
4. wget https://downloads.percona.com/downloads/Percona-XtraBackup-2.4/Percona-XtraBackup-2.4.4/binary/redhat/7/x86_64/percona-xtrabackup-24-2.4.4-1.el7.x86_64.rpm

二、安装

1. rpm -ivh mysql-community-common-5.7.30-1.el7.x86_64.rpm
2. rpm -ivh mysql-community-libs-5.7.30-1.el7.x86_64.rpm
3. rpm -ivh mysql-community-libs-compat-5.7.30-1.el7.x86_64.rpm
4. yum -y install percona-xtrabackup-24-2.4.4-1.el7.x86_64.rpm

三、全量备份

1. innobackupex --defaults-file=/etc/my.cnf --socket=/data/mysql/logs/mysql.sock --user=root --password=****** /data/backup/xbk_quanbei/$(date +%Y-%m-%d) --no-timestamp

四、增量备份

1. innobackupex --defaults=/etc/my.cnf --host=192.168.10.28 --port=3306 --user=root --password=****** --socket=/data/mysql/logs/mysql.sock --incremental /data/backup/xbk_zengliang/$(date+$(ls -tl /data/backup/xbk_quanbei/ |sed -n ‘2p’| awk ‘{print $9}’) --no-timestamp

五、恢复

1. innobackupex --apply-log --redo-only /data/backup/xbk_quanbei/2022-07-22/ --redo-only
2. innobackupex --apply-log --redo-only /data/backup/xbk_quanbei/2022-07-22/ --intremental-dir=/data/backup/xbk_zengliang/2022-07-22_10-35/
3. innobackupex --apply-log /data/backup/xbk_quanbei/2022-07-22/
4. innobackupex --copy-back /data/backup/xbk_quanbei/2022-07-22/