[jira] [Commented] (YARN-5274) Use smartctl to determine health of disks

["Ray Chiang (JIRA)" <ji...@apache.org>]

    [ https://issues.apache.org/jira/browse/YARN-5274?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15340376#comment-15340376 ] 

Ray Chiang commented on YARN-5274:
----------------------------------

One question:

# [~vvasudev], do you think this should be organized as a subtask of YARN-5078?

Two comments:

# I was thinking about making this an example or option within YARN-1072.
# There's also a {{badblocks}} command available under Linux.  I'm not sure how common or easily available it is, but it could also be handy, depending on what data we gather/store.


> Use smartctl to determine health of disks
> -----------------------------------------
>
>                 Key: YARN-5274
>                 URL: https://issues.apache.org/jira/browse/YARN-5274
>             Project: Hadoop YARN
>          Issue Type: Improvement
>          Components: nodemanager
>            Reporter: Varun Vasudev
>
> It would be nice to add support for smartctl(on machines where it is available) to determine disk health for the YARN local and log dirs(if smartctl is applicable). The current disk checking mechanism misses out on issues like bad sectors, etc.



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