Alejandro Fernandez created AMBARI-10167:
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Summary: Delete a host from Ambari cluster is not clean; fails to
re-add the same host
Key: AMBARI-10167
URL: https://issues.apache.org/jira/browse/AMBARI-10167
Project: Ambari
Issue Type: Story
Components: ambari-server
Affects Versions: 1.7.0
Reporter: Alejandro Fernandez
Assignee: Alejandro Fernandez
Fix For: 2.1.0
Deleting a host from the UI only removes it from the mapping to a cluster.
The host still exists at the hosts endpoint, and all of the historic data
maintains intact; config overrides, config groups, host state, host version,
host role command logs, etc.
This causes two problems.
1. If a host is removed from a cluster and its underlying environment changes
(OS, IP, network card, etc), and is re-added to the cluster, then it still
maintains the old information that is incorrect.
2. If host x dies, and is removed from the cluster, there is no way for a new
host to take over its hostname.
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