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https://issues.apache.org/jira/browse/HDFS-12741?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16278991#comment-16278991
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Nanda kumar commented on HDFS-12741:
------------------------------------
Thanks [~shashikant] for updating the patch.
In {{TestKeySpaceManager#testKSMInitializationFailure}} we should not modify
{{KSMStorage}} of {{MiniOzoneCluster}} instance that is shared between test
cases. Junit executes the testcases in parallel and randomly, so after the
execution of testKSMInitializationFailure the {{MiniOzoneCluster}} instance
will be stopped causing the later testcases to fail. Instead, we can try to
create new KeySpaceManager instance with wrong/different cluster and SCM Id and
then try to start it.
> ADD support for KSM --createObjectStore command
> -----------------------------------------------
>
> Key: HDFS-12741
> URL: https://issues.apache.org/jira/browse/HDFS-12741
> Project: Hadoop HDFS
> Issue Type: Sub-task
> Affects Versions: HDFS-7240
> Reporter: Shashikant Banerjee
> Assignee: Shashikant Banerjee
> Fix For: HDFS-7240
>
> Attachments: HDFS-12741-HDFS-7240.001.patch,
> HDFS-12741-HDFS-7240.002.patch, HDFS-12741-HDFS-7240.003.patch
>
>
> KSM --createObjectStore command reads the ozone configuration information and
> creates the KSM version file and reads the SCM version file from the SCM
> specified.
>
> The SCM version file is stored in the KSM metadata directory and before
> communicating with an SCM KSM verifies that it is communicating with an SCM
> where the relationship has been established via createObjectStore command.
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