[15:20:58 root@root ~] vi redis_backup_rdb.sh
#!/bin/bash
#********************************************************************
#Author:            yp
#QQ:                1415320214
#Date:              2020-10-22
#FileName：         redis_backup_rdb.sh
#URL:               https://me.csdn.net/u014578909
#Description：      The test script
#Copyright (C):    2020 All rights reserved
#********************************************************************

. /etc/init.d/functions
RESULT=`redis-cli -a 123456 --no-auth-warning info Persistence |grep rdb_bgsave_in_progress|sed -nr 's/.*:([0-9]+).*/\1/p'`
PASSWD=123456
HOSTNAME=127.0.0.1
DATE=`date +%F_%H-%M-%S`
DIR=/data/redis
BACKUP=/backup/redis-rdb

redis-cli -a $PASSWD --no-auth-warning bgsave
until [ $RESULT -eq 0 ] ;do
        sleep 1
        RESULT=`redis-cli -a 123456 --no-auth-warning info Persistence |grep rdb_bgsave_in_progress|sed -nr 's/.*:([0-9]+).*/\1/p'`
done

[ -e $BACKUP ] || {
    
     mkdir -p $BACKUP ; chown -R redis.redis $BACKUP; }
mv $DIR/$FILE $BACKUP/dump_6379-${DATE}.rdb

action "backup dedis RDB"