shell实现mysql热备份

#!/bin/bash
#my.hc.sh

PATH=/usr/local/sbin:/usr/bin:/bin

BACKDIR = /backup/mysql
ROOTPASS = ********
DBLIST = `ls -p /var/lib/mysql | grep / | tr -d /`

rm -rf $BACKDIR
mkdir -p $BACKDIR

for dbname in $DBLIST
do
mysqlhotcopy $dbname -u root -p $ROOTPASS $BACKDIR | logger -t mysqlhotcopy
done

;