Anil Mahajan created AMBARI-14832:
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Summary: Zookeeper fails to get configs after adding new server to
cluster
Key: AMBARI-14832
URL: https://issues.apache.org/jira/browse/AMBARI-14832
Project: Ambari
Issue Type: Bug
Components: ambari-server
Affects Versions: 2.0.2
Environment: Ubuntu 12
HDP 2.2.6
Ambari 2.0.2
Reporter: Anil Mahajan
This may be related to, or fixed by this issue:
https://issues.apache.org/jira/browse/AMBARI-12678
Setup: I have a two node cluster with HostB and HostC.
HostB has zookeeper server, HostC has zookeeper client.
Through the GUI, I expand the cluster. Adding HostC as a zookeeper server and
adding a new host HostA to the cluster, including a zookeeper server as a
component.
After the rolling-restart the dashboard is all green. everything started.
However, there is no zookeeper configuration on HostA (zkClient "ls /" is
empty).
This caused processing errors for the cluster. But, there were no useful
warnings on the dashboard as to the cause (misaligned zookeeper server)
Workaround: restart HostA services manually from dashboard.
Likely cause:
I think this has to do with Ambari starting servers in AlphaNumeric order.
HostA never imported the existing configs from HostB. After manually
restarting it, it appeared to get the configs.
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