這篇文章將為大家詳細(xì)講解有關(guān)mysqldump如何實(shí)現(xiàn)全量和增量備份腳本,小編覺得挺實(shí)用的,因此分享給大家做個(gè)參考,希望大家閱讀完這篇文章后可以有所收獲。
#!/bin/bash # #mysql 全量備份腳本,建議在slave從庫上運(yùn)行,并開啟log_slave_updates=1 backupdir=/backup dateDIR=`date +%Y-%m-%d` logsindexPath=/usr/local/mysql/logs/ray-bin.index if [ ! -d $backupdir ];then mkdir -p $backupdir fi cd ${backupdir} if [ ! -d $dateDIR ];then mkdir -p $dateDIR fi for i in `mysql -uroot -p123456 -e "show databases" 2>&1 | grep -v -E "Database|Warning"` do mysqldump -uroot -p123456 --default-character-set=utf8 -q --flush-privileges --single-transaction --master-data=1 --flush-logs --routines --triggers --events --hex-blob -E -R -B testdb | gzip > ${backupdir}/${dateDIR}/mysql_back_${i}_${dateDIR}.sql.gz done binlog_rm=`tail -n 1 ${logsindexPath} | awk -F '/' '{print $NF}'` mysql -uroot -p123456 -e "purge binary logs to '${binlog_rm}'" |
#!/bin/bash #mysql 增量備份腳本,建議在slave從服務(wù)器上運(yùn)行,并開啟log_slave_updates=1 backupdir=/backup dateDIR=`date +%Y-%m-%d` logsIndexPath=/usr/local/mysql/logs/ray-bin.index mysqladmin -uroot -p123456 flush-logs binlog_cp=`head -n -1 ${logsIndexPath}` for i in ${binlog_cp} do mysql -uroot -p123456 -e "\! cp -p ${i} ${backupdir}/${dateDIR}/" done binlog_rm=`tail -n 1 ${logsIndexPath} | awk -F '/' '{print $NF}'` mysql -uroot -p123456 -e "purge binary logs to '${binlog_rm}'" |