说明 本文仅适用rabbitmq为RPM安装方式。 升级准备 查看环境当前版本: # cat /etc/redhat-release CentOS Linux release 7.9.2009 (Core) # rabbitmqctl status Status of node rabbit@mq01 ... Runtime OS PID: 19333 OS: Linux Uptime (seconds): 58 Is under maintenance?: false RabbitMQ version: 3.8.5 备份相关数据: #配置文件备份 # cp -r /etc/rabbit