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https://issues.apache.org/jira/browse/HDDS-94?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16524328#comment-16524328
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Elek, Marton commented on HDDS-94:
----------------------------------

OK. I got it. The following line accidentally removed from the 
hadoop-ozone/acceptance-test/src/test/acceptance/ozonefs/docker-config

{code}
CORE-SITE.XML_fs.o3.impl=org.apache.hadoop.fs.ozone.OzoneFileSystem
{code}

We need this. By default the file systems are defined in core-default.xml but 
this test (which is a real ozone cluster + hadoop3.1 client) doesn't contain 
it, as the core-default.xml of hadoop 3.1 doesn't have the required ozone fs 
entry.

I will be +1, if this specific line is restored.


> Change ozone datanode command to start the standalone datanode plugin
> ---------------------------------------------------------------------
>
>                 Key: HDDS-94
>                 URL: https://issues.apache.org/jira/browse/HDDS-94
>             Project: Hadoop Distributed Data Store
>          Issue Type: Bug
>          Components: Ozone Datanode
>            Reporter: Elek, Marton
>            Assignee: Sandeep Nemuri
>            Priority: Major
>              Labels: newbie
>             Fix For: 0.2.1
>
>         Attachments: HDDS-94.001.patch, HDDS-94.002.patch, HDDS-94.003.patch, 
> HDDS-94.004.patch
>
>
> The current ozone datanode command starts the regular hdfs datanode with an 
> enabled HddsDatanodeService as a datanode plugin.
> The goal is to start only the HddsDatanodeService.java (main function is 
> already there but GenericOptionParser should be adopted). 



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