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https://issues.apache.org/jira/browse/HDDS-1773?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16889200#comment-16889200
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Eric Yang commented on HDDS-1773:
---------------------------------
Patch 005 fixed some minor directory configuration error, and core-site.xml
setup.
> Add intermittent IO disk test to fault injection test
> -----------------------------------------------------
>
> Key: HDDS-1773
> URL: https://issues.apache.org/jira/browse/HDDS-1773
> Project: Hadoop Distributed Data Store
> Issue Type: Improvement
> Reporter: Eric Yang
> Priority: Major
> Attachments: HDDS-1773.001.patch, HDDS-1773.002.patch,
> HDDS-1773.003.patch, HDDS-1773.004.patch, HDDS-1773.005.patch
>
>
> Disk errors can also be simulated by setting cgroup blkio rate to 0 while
> Ozone cluster is running.
> This test will be added to corruption test project and this test will only be
> performed if there is write access into host cgroup to control the throttle
> of disk IO.
> Expected result:
> When datanode becomes irresponsive due to slow io, scm must flag the node as
> unhealthy.
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