mysqldump常用备份参数

#!/bin/sh

DUMP=/usr/bin/mysqldump 
OUT_DIR=/var/ftp/iips/mysqlbak	
LINUX_USER=root 		
DB_NAME=yfdmbd 		
DB_USER=root 			
DB_PASS=123456 			
DAYS=7 				
cd $OUT_DIR 			
date=`date +%Y_%m_%d` 		
OUT_SQL="$DB_NAME_$date.sql" 		
TAR_SQL="mysqldata_bak_$date.tar.gz" 	
$DUMP -u$DB_USER -p$DB_PASS $DB_NAME --default-character-set=utf8 --opt -Q -R --skip-lock-tables> $OUT_SQL #备份
tar -zczf $TAR_SQL ./$OUT_SQL		
rm $OUT_SQL 				
chown $LINUX_USER:$LINUX_USER $OUT_DIR/$TAR_SQL 	
find $OUT_DIR -name "mysqldata_bak*" -type f -mtime +$DAYS -exec rm {} \; 	#删除7天前的备份文件(注意：{} \;中间有空格)