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https://issues.apache.org/jira/browse/HDFS-2914?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13203265#comment-13203265
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Jitendra Nath Pandey commented on HDFS-2914:
--------------------------------------------
Standby doesn't need to enter safe mode because it is not writing any
transactions anyway. When it transitions to active, that's when a check for
available resources to write logs should be performed.
> HA: Standby stuck in safemode when shared edits directory is bounced
> --------------------------------------------------------------------
>
> Key: HDFS-2914
> URL: https://issues.apache.org/jira/browse/HDFS-2914
> Project: Hadoop HDFS
> Issue Type: Sub-task
> Components: ha, name-node
> Affects Versions: HA branch (HDFS-1623)
> Reporter: Hari Mankude
> Assignee: Hari Mankude
>
> When shared edits dir is bounced, standby NN is put into safemode by the
> NameNodeResourceMonitor(). However, there is no path for it to exit out of
> safe mode when shared edits dir reappears.
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