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https://issues.apache.org/jira/browse/HADOOP-8077?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13247966#comment-13247966
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Aaron T. Myers commented on HADOOP-8077:
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Patch looks pretty good to me, Todd. One small comment. +1 once this is
addressed.
# In TestDFSHAAdmin#testFencingConfigPerNameNode, how about actually asserting
that the default fencer which should succeed actually does succeed, before
asserting that the fencer fails when set with an NN-specific fencer.
> HA: fencing method should be able to be configured on a per-NN or per-NS basis
> ------------------------------------------------------------------------------
>
> Key: HADOOP-8077
> URL: https://issues.apache.org/jira/browse/HADOOP-8077
> Project: Hadoop Common
> Issue Type: Improvement
> Components: ha
> Affects Versions: 0.24.0
> Reporter: Todd Lipcon
> Assignee: Todd Lipcon
> Attachments: hadoop-8077.txt
>
>
> Currently, the fencing method configuration is global. Given that different
> nameservices may use different underlying storage mechanisms or different
> types of PDUs, it would be preferable to allow the fencing method
> configuration to be scoped by namenode or nameservice.
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