ambari和hdp滚动升级

ambari升级 备份元数据html ambari-server backup 备份mysql数据库java mysql -u ...... > ambari.sql 备份ambari配置文件mysql cp /etc/ambari-server/conf/ambari.properties /etc/ambari-server/conf/ambari.properties.bak 中止相关服务(

>>阅读原文<<