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https://issues.apache.org/jira/browse/HDDS-1868?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16923635#comment-16923635
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Lokesh Jain commented on HDDS-1868:
-----------------------------------
On restart, SCM marks the pipeline as OPEN only if all the datanodes have
reported the pipeline. In this change only leader would report the pipeline
therefore the pipeline will not be marked as OPEN in SCM.
> Ozone pipelines should be marked as ready only after the leader election is
> complete
> ------------------------------------------------------------------------------------
>
> Key: HDDS-1868
> URL: https://issues.apache.org/jira/browse/HDDS-1868
> Project: Hadoop Distributed Data Store
> Issue Type: Bug
> Components: Ozone Datanode, SCM
> Affects Versions: 0.4.0
> Reporter: Mukul Kumar Singh
> Assignee: Siddharth Wagle
> Priority: Major
> Fix For: 0.5.0
>
> Attachments: HDDS-1868.01.patch
>
>
> Ozone pipeline on restart start in allocated state, they are moved into open
> state after all the pipeline have reported to it. However this potentially
> can lead into an issue where the pipeline is still not ready to accept any
> incoming IO operations.
> The pipelines should be marked as ready only after the leader election is
> complete and leader is ready to accept incoming IO.
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