本地準備：

##安裝和RDS相同的mysql版本，拿mysql5.6為例

##安裝Xtrabackup 包

cd?/data/source

wget https://www.percona.com/downloads/XtraBackup/Percona-XtraBackup-2.4.8/binary/redhat/7/x86_64/percona-xtrabackup-24-2.4.8-1.el7.x86_64.rpm

yum install ?percona-xtrabackup-24-2.4.8-1.el7.x86_64.rpm

##去RDS控制臺下載備份包放到?/data/source 目錄下

##下載解壓腳本

wget http://oss.aliyuncs.com/aliyunecs/rds_backup_extract.sh?spm=5176.7741817.2.4.dzPsOP&file=rds_backup_extract.sh -O rds_backup_extract.sh

##準備一個backup-my.cnf

vim backup-my.cnf

# This MySQL optionsfilewas generated by innobackupex.

# The MySQL server

[mysqld]

innodb_checksum_algorithm=innodb

#innodb_log_checksum_algorithm=innodb

innodb_data_file_path=ibdata1:200M:autoextend

innodb_log_files_in_group=2innodb_log_file_size=524288000#innodb_fast_checksum=falseinnodb_page_size=16384#innodb_log_block_size=512innodb_undo_directory=.

innodb_undo_tablespaces=0#rds_encrypt_data=false#innodb_encrypt_algorithm=aes_128_ecb

##使用腳本還原

#!/bin/bash

db_dir=/data/source/mysql/data

systemctl stop mysqldps -ef | grep mysqld | grep -v grep | awk '{ print "kill -9 " $2}' |bash

#創(chuàng)建文件夾

cd/data/sourceif [ -d $db_dir ];then

rm -rf /data/source/mysqlecho "Delete directory '$db_dir'"

fi

mkdir -p $db_direcho "Create directory '$db_dir'"#解壓數(shù)據(jù)if [ $1 ];then

echo "Backup file is: '$1'"bash rds_backup_extract.sh -f $1 -C $db_direlseread-p "Please enter a backup file name:"bak_fileif [ $bak_file ];then

echo "Backup file is: '$bak_file'"bash rds_backup_extract.sh -f $bak_file -C $db_direlse

echo "Input error"exit0

fi

fi

echo "`ls -l $db_dir`"#還原數(shù)據(jù)庫

innobackupex--defaults-file=$db_dir/backup-my.cnf --apply-log $db_dirchown -R mysql:mysql $db_dircp -f backup-my.cnf $db_dir/backup-my.cnf

#啟動實例

mysqld_safe--defaults-file=$db_dir/backup-my.cnf --user=mysql --datadir=$db_dir > /tmp/mysql_demo.lo

g2>&1 &

sleep 10mysql_upgrade-uroot

#設(shè)置密碼while:doread-p "Please enter the root@% password:"passwordif [ $password ];then

echo "The root@% password is ‘$password’"breakelse

echo "Input error"

fi

donemysql-uroot <

GRANT ALL PRIVILEGES ON*.* TO 'root'@'%' IDENTIFIED BY '$password'WITH GRANT OPTION;

EOF

exit0

總結(jié)

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