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Posted to issues@ambari.apache.org by "Daniel Gergely (JIRA)" <ji...@apache.org> on 2016/06/15 14:19:09 UTC
[jira] [Commented] (AMBARI-17219) Removing and re-adding hosts
makes database inconsitent
[ https://issues.apache.org/jira/browse/AMBARI-17219?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15331815#comment-15331815 ]
Daniel Gergely commented on AMBARI-17219:
-----------------------------------------
Committed to trunk:
commit 4fe413e95063405b5d40a010b83b7559dc4eb0f1
Author: Daniel Gergely <dg...@hortonworks.com>
Date: Wed Jun 15 14:14:17 2016 +0200
AMBARI-17219. Removing and re-adding hosts makes database inconsitent. (Daniel Gergely via stoader)
Committed to branch-2.4:
commit 244975010f56d16037503c2e5f12c4cc16b1d54d
Author: Daniel Gergely <dg...@hortonworks.com>
Date: Wed Jun 15 14:14:17 2016 +0200
AMBARI-17219. Removing and re-adding hosts makes database inconsitent. (Daniel Gergely via stoader)
> Removing and re-adding hosts makes database inconsitent
> -------------------------------------------------------
>
> Key: AMBARI-17219
> URL: https://issues.apache.org/jira/browse/AMBARI-17219
> Project: Ambari
> Issue Type: Bug
> Components: ambari-server
> Reporter: Daniel Gergely
> Assignee: Daniel Gergely
> Priority: Critical
> Fix For: 2.4.0, 2.2-next, 2.5.0
>
> Attachments: AMBARI-17219_2.2-next.patch, AMBARI-17219_trunk_branch-2.4.patch
>
>
> When a host is removed, it is necessary to have all the components stopped and removed, before the host itself can be deleted.
> If a host component is not stopped, it is not allowed to be removed, so the host itself cannot be removed. However if re-adding the host is tried, even if it is still in the cluster, a row is inserted to topology_host_info table. Multiple lines of the same host in that table is incorrect, so topology validation fails.
> Expected behaviour: if host is still in the cluster, a duplicate should not be able to be persisted in any of the related tables.
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