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mysqldump實現(xiàn)增備，其實就是復(fù)制日志
全備腳本：
#! /bin/bash
# mysql 全量備份腳本，建議在slave上運行，并開啟log_slave_updates=1
mkdir /backup
cd /backup
datadir=`date +"%y-%m-%d"`
mkdir -p $datadir/data
path=/usr/local/mysql/data
for i in `mysql -uroot -p123456 -e "show databases" |grep -v "Database"`
do
mysqldump -uroot -p123456 --defaultes-character-set=utf8 -q --lock-all-tables --flush-logs -E -R --triggers -B $i |gzip > /backup/$datadir/data/${i}_${datadir}.sql.gz
#mysqldump -uroot -ptiancity --opt --single-transaction --flush-logs -E -R -C --triggers $i |gzip > "/backup/$datadir/data/${i}_${datadir}.sql.gz"
done
binlog_rm=`tail -n 1 /app/mysql/data/mysql-bin.index |sed 's/\/app\/mysql\/data\///'`
mysql -uroot -p123456 -e "purge binary logs to '$binlog_rm'"
增備腳本：
#! /bin/bash
# mysql 增量備份腳本，其實就是復(fù)制二進制日志，
cd /backup
datadir=`date +"%y-%m-%d"`
mkdir -p $datadir/data
path=/usr/local/mysql/data
mysqladmin -uroot -p12334 flush-logs
# mysql -uroot -p12334 -e "flush logs"
binlog_cp=`head -n -1 $path/mysql-bin.index |sed 's/\/app\/mysql\/data\///'`
for i in $binlog_cp
do
cp $path/$i /backup/$datadir/data/
done
binlog_rm=`tail -n 1 /app/mysql/data/mysql-bin.index |sed 's/\/app\/mysql\/data\///'`
mysql -uroot -p12334 -e "purge binary logs to '$binlog_rm'"
本文出自 “沒有傘的孩子必須努力奔跑” 博客，請務(wù)必保留此出處http://634871.blog.51cto.com/624871/1428337
