我刚刚完成了Hortonworks数据平台的升级指南:https://docs.hortonworks.com/HDPDocuments/Ambari-2.6.0.0/bk_ambari-upgrade/bk_ambari-upgrade.pdf
我做了所有的步骤……
最后,我能够将Ambari安装降级到版本2.4.2,就像在开始升级过程之前一样。
要进行降级,您必须在相应的节点上执行以下步骤:
# delete the new ambari repo file rm /etc/yum.repos.d/ambari.repo # download the old ambari repo file (for me version 2.4.2), as described in ambari installation guide (here for Centos 7) wget -nv http://public-repo-1.hortonworks.com/ambari/centos7/2.x/updates/2.4.2.0/ambari.repo -O /etc/yum.repos.d/ambari.repo yum clean all yum repolist # check for the correct version (e.g. 2.4.2) of the Ambari repo # Downgrade all components to this version yum downgrade ambari-metrics-monitor yum downgrade ambari-metrics-hadoop-sink yum downgrade ambari-agent ...
之后我再次升级,但是到Ambari版本2.5.2.0,现在可以正常工作。我还能通过这个Ambari版本将我的HDP安装升级到2.6.3.0版本。
我将跳过Ambari 2.6.0,并将尝试升级Ambari,以便将来发布。