1，redis logs信息 tail -f logs/access.log 18517:C 01 Jul 11:16:56.094 # Failed opening the RDB file root (in server root dir /etc/cron.d) for saving: Permission denied 31521:M 01 Jul 11:16:56.181 # Background saving error 31521:M 01 Jul 11:17:02.071 * 1 changes in 900 seconds. Saving... 31521:M 01 Jul 11:17:02.071 * Background saving started by pid 18530 18530:C 01 Jul 11:17:02.078 # Failed opening the RDB file root (in server root dir /etc/cron.d) for saving: Permission denied 31521:M 01 Jul 11:17:02.173 # Background saving error 31521:M 01 Jul 11:17:08.066 * 1 changes in 900 seconds. Saving... 31521:M 01 Jul 11:17:08.066 * Background saving started by pid 18548 18548:C 01 Jul 11:17:08.082 # Failed opening the RDB file root (in server root dir /etc/cron.d) for saving: Permission denied 31521:M 01 Jul 11:17:08.166 # Background saving error 2，解决办法： 1）命令行修改 config set stop-writes-on-bgsave-error no 2）修改配置文件 vim redis.conf stop-writes-on-bgsave-error 把后面的yes设置为no即可 #此办法需要重启redis