【MySQL】Xtrabackup备份及恢复脚本

2025-04-05 技术教程 151

简介：
此备份脚本的策略是每周日和周三进去全备其余每天增量备份。

# 备份脚本XtraBackup.sh：#!/bin/bash# filename : XtraBackup.sh# Author : wangday=`date +%w`dt=`date +%Y%m%d`lastday=`date -d '1 days ago' +%Y%m%d`user=rootpwd='xxxxx'log=backuplog.`date +%Y%m%d`case $day in 0) # Sunday Full backup find /backup/ -name "xtra_*" -mtime +6 -exec rm -rf {} \; innobackupex --defaults-file=/etc/my.cnf --user=$user --password=$pwd --no-timestamp /backup/xtra_base_$dt > /tmp/$log 2>&1 ;; 1) # Monday Relatively Sunday's incremental backup innobackupex --defaults-file=/etc/my.cnf --user=$user --password=$pwd --no-timestamp --incremental /backup/xtra_inc_$dt --incremental-basedir=/backup/xtra_base_$lastday > /tmp/$log 2>&1 ;; 2) # Tuesday Compared with Monday's incremental backup innobackupex --defaults-file=/etc/my.cnf --user=$user --password=$pwd --no-timestamp --incremental /backup/xtra_inc_$dt --incremental-basedir=/backup/xtra_inc_$lastday > /tmp/$log 2>&1 ;; 3) # Wednesday Full backup find /backup/ -name "xtra_*" -mtime +6 -exec rm -rf {} \; innobackupex --defaults-file=/etc/my.cnf --user=$user --password=$pwd --no-timestamp /backup/xtra_base_$dt > /tmp/$log 2>&1 ;; 4) # Thursday Relatively Wednesday's incremental backup innobackupex --defaults-file=/etc/my.cnf --user=$user --password=$pwd --no-timestamp --incremental /backup/xtra_inc_$dt --incremental-basedir=/backup/xtra_base_$lastday > /tmp/$log 2>&1 ;; 5) # Friday Compared with Thursday's incremental backup innobackupex --defaults-file=/etc/my.cnf --user=$user --password=$pwd --no-timestamp --incremental /backup/xtra_inc_$dt --incremental-basedir=/backup/xtra_inc_$lastday > /tmp/$log 2>&1 ;; 6) # Saturday Compared with Friday's incremental backup innobackupex --defaults-file=/etc/my.cnf --user=$user --password=$pwd --no-timestamp --incremental /backup/xtra_inc_$dt --incremental-basedir=/backup/xtra_inc_$lastday > /tmp/$log 2>&1 ;; esac find /tmp -mtime +6 -type f -name 'backuplog.*' -exec rm -rf {} \;

# 全库恢复脚本 xtrabackup_recover.sh:#!/bin/bash# filename : xtrabackup_recover.sh# Author : wangday=`date +%w`dt=`date +%Y%m%d`lastday=`date -d '1 days ago' +%Y%m%d`lasttwoday=`date -d '2 days ago' +%Y%m%d`lastthreeday=`date -d '3 days ago' +%Y%m%d`user=rootpwd='xxxxxxx'log=recoverlog.`date +%Y%m%d`datefile=/mysqldatacase $day in 0) # Sunday Recover Database innobackupex --apply-log /backup/xtra_base_$dt > /tmp/$log 2>&1 service mysqld stop rm -rf $datefile/* innobackupex --defaults-file=/etc/my.cnf --copy-back /backup/xtra_base_$dt >> /tmp/$log 2>&1 chown -R mysql:mysql $datefile service mysqld start binlog=`cat /backup/xtra_base_$dt/xtrabackup_binlog_info|awk '{print $1}'` pos=`cat /backup/xtra_base_$dt/xtrabackup_binlog_info|awk '{print $2}'` mysqlbinlog --no-defaults --start-position=$pos /mysqllog/$binlog | mysql -u$user -p$pwd ;; 1) # Monday Recover Database innobackupex --apply-log --redo-only /backup/xtra_base_$lastday > /tmp/$log 2>&1 innobackupex --apply-log /backup/xtra_base_$lastday/ --incremental-dir=/backup/xtra_inc_$dt/ >> /tmp/$log 2>&1 innobackupex --apply-log /backup/xtra_base_$lastday >> /tmp/$log 2>&1 service mysqld stop rm -rf $datefile/* innobackupex --defaults-file=/etc/my.cnf --copy-back /backup/xtra_base_$lastday >> /tmp/$log 2>&1 chown -R mysql:mysql $datefile service mysqld start binlog=`cat /backup/xtra_base_$lastday/xtrabackup_binlog_info|awk '{print $1}'` pos=`cat /backup/xtra_base_$lastday/xtrabackup_binlog_info|awk '{print $2}'` mysqlbinlog --no-defaults --start-position=$pos /mysqllog/$binlog | mysql -u$user -p$pwd ;; 2) # Tuesday Recover Database innobackupex --apply-log --redo-only /backup/xtra_base_$lasttwoday > /tmp/$log 2>&1 innobackupex --apply-log --redo-only /backup/xtra_base_$lasttwoday/ --incremental-dir=/backup/xtra_inc_$lastday/ >> /tmp/$log 2>&innobackupex --apply-log /backup/xtra_base_$lasttwoday/ --incremental-dir=/backup/xtra_inc_$dt/ >> /tmp/$log 2>&1 innobackupex --apply-log /backup/xtra_base_$lasttwoday >> /tmp/$log 2>&1 service mysqld stop rm -rf $datefile/* innobackupex --defaults-file=/etc/my.cnf --copy-back /backup/xtra_base_$lasttwoday >> /tmp/$log 2>&1 chown -R mysql:mysql $datefile service mysqld start binlog=`cat /backup/xtra_base_$lasttwoday/xtrabackup_binlog_info|awk '{print $1}'` pos=`cat /backup/xtra_base_$lasttwoday/xtrabackup_binlog_info|awk '{print $2}'` mysqlbinlog --no-defaults --start-position=$pos /mysqllog/$binlog | mysql -u$user -p$pwd ;; 3) # Wednesday Recover Database innobackupex --apply-log /backup/xtra_base_$dt > /tmp/$log 2>&1 service mysqld stop rm -rf $datefile/* innobackupex --defaults-file=/etc/my.cnf --copy-back /backup/xtra_base_$dt >> /tmp/$log 2>&1 chown -R mysql:mysql $datefile service mysqld start binlog=`cat /backup/xtra_base_$dt/xtrabackup_binlog_info|awk '{print $1}'` pos=`cat /backup/xtra_base_$dt/xtrabackup_binlog_info|awk '{print $2}'` mysqlbinlog --no-defaults --start-position=$pos /mysqllog/$binlog | mysql -u$user -p$pwd ;; 4) # Thursday Recover Database innobackupex --apply-log --redo-only /backup/xtra_base_$lastday > /tmp/$log 2>&1 innobackupex --apply-log /backup/xtra_base_$lastday/ --incremental-dir=/backup/xtra_inc_$dt/ >> /tmp/$log 2>&1 innobackupex --apply-log /backup/xtra_base_$lastday >> /tmp/$log 2>&1 service mysqld stop rm -rf $datefile/* innobackupex --defaults-file=/etc/my.cnf --copy-back /backup/xtra_base_$lastday >> /tmp/$log 2>&1 chown -R mysql:mysql $datefile service mysqld start binlog=`cat /backup/xtra_base_$lastday/xtrabackup_binlog_info|awk '{print $1}'` pos=`cat /backup/xtra_base_$lastday/xtrabackup_binlog_info|awk '{print $2}'` mysqlbinlog --no-defaults --start-position=$pos /mysqllog/$binlog | mysql -u$user -p$pwd ;; 5) # Friday Recover Database innobackupex --apply-log --redo-only /backup/xtra_base_$lasttwoday > /tmp/$log 2>&1 innobackupex --apply-log --redo-only /backup/xtra_base_$lasttwoday/ --incremental-dir=/backup/xtra_inc_$lastday/ >> /tmp/$log 2>&innobackupex --apply-log /backup/xtra_base_$lasttwoday/ --incremental-dir=/backup/xtra_inc_$dt/ >> /tmp/$log 2>&1 innobackupex --apply-log /backup/xtra_base_$lasttwoday >> /tmp/$log 2>&1 service mysqld stop rm -rf $datefile/* innobackupex --defaults-file=/etc/my.cnf --copy-back /backup/xtra_base_$lasttwoday >> /tmp/$log 2>&1 chown -R mysql:mysql $datefile service mysqld start binlog=`cat /backup/xtra_base_$lasttwoday/xtrabackup_binlog_info|awk '{print $1}'` pos=`cat /backup/xtra_base_$lasttwoday/xtrabackup_binlog_info|awk '{print $2}'` mysqlbinlog --no-defaults --start-position=$pos /mysqllog/$binlog | mysql -u$user -p$pwd ;; 6) # Saturday Recover Database innobackupex --apply-log --redo-only /backup/xtra_base_$lastthreeday > /tmp/$log 2>&1 innobackupex --apply-log --redo-only /backup/xtra_base_$lastthreeday/ --incremental-dir=/backup/xtra_inc_$lasttwoday/ >> /tmp/$log 2>&1 innobackupex --apply-log --redo-only /backup/xtra_base_$lastthreeday/ --incremental-dir=/backup/xtra_inc_$lastday/ >> /tmp/$log 2>&1 innobackupex --apply-log /backup/xtra_base_$lastthreeday/ --incremental-dir=/backup/xtra_inc_$dt/ >> /tmp/$log 2>&1 innobackupex --apply-log /backup/xtra_base_$lastthreeday >> /tmp/$log 2>&1 service mysqld stop rm -rf $datefile/* innobackupex --defaults-file=/etc/my.cnf --copy-back /backup/xtra_base_$lastthreeday >> /tmp/$log 2>&1 chown -R mysql:mysql $datefile service mysqld start binlog=`cat /backup/xtra_base_$lastthreeday/xtrabackup_binlog_info|awk '{print $1}'` pos=`cat /backup/xtra_base_$lastthreeday/xtrabackup_binlog_info|awk '{print $2}'` mysqlbinlog --no-defaults --start-position=$pos /mysqllog/$binlog | mysql -u$user -p$pwd ;; esac find /tmp -mtime +6 -type f -name 'recoverlog.*' -exec rm -rf {} \;