Xu Yang commented on YARN-2488:

Thank you veryt much, [~vvasudev] and [~jlowe]. It appears that YARN-90 is just 
what I need.

> Nodemanager should support check if bad disks have turned to good ones
> ----------------------------------------------------------------------
>                 Key: YARN-2488
>                 URL: https://issues.apache.org/jira/browse/YARN-2488
>             Project: Hadoop YARN
>          Issue Type: Improvement
>          Components: nodemanager
>    Affects Versions: 2.4.1
>            Reporter: Xu Yang
> When NM's disks turn bad, it will never turn good ones. Although the disks is 
> fixed, we must restart nodemanager to use the fixed disks. In particular when 
> NM become UNHEALTHY status, it will never be back to HEALTHY status.

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