--- percona_backup.sh   2017-01-26 15:42:47.000000000 +0200
+++ percona_backup.sh_  2017-01-26 15:42:58.000000000 +0200
@@ -2,7 +2,7 @@
 BACKUP_DATE=`date +%d-%m-%Y`
 BACKUP_BASE='/home/backup'
 # rm -f ${BACKUP_BASE}/${BACKUP_DATE}.tar.gz
-find ${BACKUP_BASE}/ -mtime +2 -delete
+find ${BACKUP_BASE}/ -mtime +1 -delete
 innobackupex --user=root --password=6swLHt8xzdfGjkQY --defaults-file=/home/mysql/my.cnf --no-lock --stream=tar ./ | gzip - > ${BACKUP_BASE}/${BACKUP_DATE}.tar.gz
 rm -f ${BACKUP_BASE}/current.tar.gz
 ln -s ${BACKUP_BASE}/${BACKUP_DATE}.tar.gz ${BACKUP_BASE}/current.tar.gz