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https://issues.apache.org/jira/browse/HDFS-2430?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13153672#comment-13153672
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Eli Collins commented on HDFS-2430:
-----------------------------------

Per HDFS-208 might be worth considering other warnings to log eg if there's 
only a single redundant resource left. Could also standardize the 
location/format of the log check and output to make life easier for monitoring 
tools.   Ditto for metrics (feel free to address in another jira).
                
> The number of failed or low-resource volumes the NN can tolerate should be 
> configurable
> ---------------------------------------------------------------------------------------
>
>                 Key: HDFS-2430
>                 URL: https://issues.apache.org/jira/browse/HDFS-2430
>             Project: Hadoop HDFS
>          Issue Type: New Feature
>          Components: name-node
>    Affects Versions: 0.24.0
>            Reporter: Aaron T. Myers
>            Assignee: Aaron T. Myers
>         Attachments: HDFS-2430.patch, HDFS-2430.patch, HDFS-2430.patch
>
>
> Currently the number of failed or low-resource volumes the NN can tolerate is 
> effectively hard-coded at 1. It would be nice if this were configurable.

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