centos 自动备份mysql数据库 - 搜集资料 - 耳语心听

centos 自动备份mysql数据库 - 搜集资料

2012/04/01 22:06 , mdy
Linux 服务器 , 评论(0) , 阅读(2500) , Via 本站原创
Tags: crontab

还是crontab 把它放入任务列表/usr/tmp/task :     51 14 * * * /usr/tmp/mysql_media_bak.sh

mysql_media_bak.sh   shell代码如下:
--------------代码开始---------------烦躁的分割线--------------------------------------------

#!/bin/sh
# mysql_media_bak.sh
db_user="webroot"
db_passwd="123123"
db_host="localhost"
db_name="media"
# the directory for story your backup file.
backup_dir="/var/www/html/media/mysql_bak"
# date format for backup file (dd-mm-yyyy)
time="$(date +"%Y-%m-%d-%H-%M-%S")"
# mysql, mysqldump and some other bin's path
MYSQL="/usr/bin/mysql"
MYSQLDUMP="/usr/bin/mysqldump"
GZIP="/bin/gzip"

$MYSQLDUMP -u $db_user -h $db_host -p$db_passwd $db_name | $GZIP -9 > "$backup_dir/$db_name"_"$time.gz"

---------------------代码结束---------------烦躁的分割线-------------------------------------------------------------

这个代码是备份整个数据库的所有数据库
#!/bin/sh
# mysql_backup.sh: backup mysql databases and keep newest 5 days backup.
#
# Last updated: 20 March 2006
# ----------------------------------------------------------------------
# This is a free shell script under GNU GPL version 2.0 or above
# Copyright (C) 2006 Sam Tang
# Feedback/comment/suggestions : http://www.real-blog.com/
# ----------------------------------------------------------------------
# your mysql login information
# db_user is mysql username
# db_passwd is mysql password
# db_host is mysql host
# -----------------------------
db_user="webroot"
db_passwd="123123"
db_host="localhost"
# the directory for story your backup file.
backup_dir="/var/www/html/media/mysql_bak"
# date format for backup file (dd-mm-yyyy)
time="$(date +"%d-%m-%Y")"
# mysql, mysqldump and some other bin's path
MYSQL="/usr/bin/mysql"
MYSQLDUMP="/usr/bin/mysqldump"
MKDIR="/bin/mkdir"
RM="/bin/rm"
MV="/bin/mv"
GZIP="/bin/gzip"
# check the directory for store backup is writeable
test ! -w $backup_dir && echo "Error: $backup_dir is un-writeable." && exit 0
# the directory for story the newest backup
test ! -d "$backup_dir/backup.0/" && $MKDIR "$backup_dir/backup.0/"
# get all databases
all_db="$($MYSQL -u $db_user -h $db_host -p$db_passwd -Bse 'show databases')"
for db in $all_db
do
$MYSQLDUMP -u $db_user -h $db_host -p$db_passwd $db | $GZIP -9 > "$backup_dir/backup.0/$time.$db.gz"
done
# delete the oldest backup
test -d "$backup_dir/backup.5/" && $RM -rf "$backup_dir/backup.5"
# rotate backup directory
for int in 4 3 2 1 0
do
if(test -d "$backup_dir"/backup."$int")
then
next_int=`expr $int + 1`
$MV "$backup_dir"/backup."$int" "$backup_dir"/backup."$next_int"
fi
done
exit 0;
---------------------所有数据库备份代码结束-------------------------------------------------------------------

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