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From "Eric Yang (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (HDDS-1773) Add intermittent IO disk test to fault injection test
Date Thu, 18 Jul 2019 20:06:00 GMT

     [ https://issues.apache.org/jira/browse/HDDS-1773?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Eric Yang updated HDDS-1773:
----------------------------
    Attachment: HDDS-1773.003.patch

> 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
>
>
> 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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