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https://issues.apache.org/jira/browse/HDFS-2853?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Aaron T. Myers updated HDFS-2853:
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Attachment: HDFS-2853-HDFS-1623.patch
Here's a patch which addresses the issue.
I removed the check as described above. The trouble is that when a standby is
started, it doesn't initialize all the edits dirs as journals - only the shared
dir for read. Thus, if this dir is marked required, the validation was failing
since the configured minimum number of redundant dirs (1) was lower than the
configured number of redundant dirs (0 while in standby.) I think this sort of
configuration check would be better implemented at a higher level, if at all.
> HA: NN fails to start if the shared edits dir is marked required
> ----------------------------------------------------------------
>
> Key: HDFS-2853
> URL: https://issues.apache.org/jira/browse/HDFS-2853
> Project: Hadoop HDFS
> Issue Type: Sub-task
> Components: ha, name-node
> Affects Versions: HA branch (HDFS-1623)
> Reporter: Aaron T. Myers
> Assignee: Aaron T. Myers
> Priority: Critical
> Attachments: HDFS-2853-HDFS-1623.patch
>
>
> Currently it will fail because of a bug with checking the valid configuration
> of required resources.
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