centos mysql定时备份

#!/bin/sh

DUMPDIR=xxx

DATE=`date '+%Y%m%d-%H%M'`

cd $DUMPDIR

#单表备份

#mysqldump -uxxx -pxxx --single-transaction --default-character-set=utf8 db table > xxx.sql

#vsdb全库备份

mysqldump -uxxx -pxxx --single-transaction --default-character-set=utf8 db > xxx.sql

if [[ $? == 0 ]];then

mv *.tar bak

tar czf $DATE.tar xxx.sql

if [[ $? == 0 ]];then

rm -f bak/*.tar

else

mv bak/*.tar ./

fi

fi

rm -f xxx.sql
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