干货：MySQL增量备份脚本

#!/bin/sh
#author RuM
#date 2015-07-10
BAKDIR=/tmp/mysqlbak
BAKDIR_FULL=$BAKDIR/full
BAKDIR_ADD=$BAKDIR/add
CONF=/etc/my.cnf
passwd=123456
INNOBACKUPEX=/usr/bin/innobackupex

if [ -f "$INNOBACKUPEX" ]
     then
         if  [ -d "$BAKDIR" ]
              then
            echo "is ok"
              else
            mkdir $BAKDIR_FULL -p
            mkdir $BAKDIR_ADD -p 
        fi

files=`ls $BAKDIR_FULL`
        if [ -z "$files" ]
            then
                $INNOBACKUPEX  --defaults-file=$CONF  --user=root --password=$PASSWD  $BAKDIR_FULL
                FULLNAME=$(dir "$BAKDIR_FULL")
                $INNOBACKUPEX  --defaults-file=$CONF  --user=root --password=$PASSWD --incremental-basedir=$BAKDIR_FULL/$FULLNAME/ --incremental $BAKDIR_ADD
            else

                ADDNAME=$(ls -lt $BAKDIR_ADD |sed -n 2p|awk '{print $9}')
                $INNOBACKUPEX  --defaults-file=$CONF  --user=root --password=$PASSWD --incremental-basedir=$BAKDIR_ADD/$ADDNAME/ --incremental $BAKDIR_ADD
        fi
    else
        echo "is not install innobackupex"
fi