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https://issues.apache.org/jira/browse/HDDS-8509?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17765608#comment-17765608
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Sumit Agrawal commented on HDDS-8509:
-------------------------------------

There is a possibility for this to happen during replication, eg:
 # some of DN is done and block deletion is ignored for that DN as removed
 # When that DN comes back, this will have container with extra blocks untracked

HDDS-7728: refer similar scenario.

> Some block files were left behind under  container chunks dir after deletion
> ----------------------------------------------------------------------------
>
>                 Key: HDDS-8509
>                 URL: https://issues.apache.org/jira/browse/HDDS-8509
>             Project: Apache Ozone
>          Issue Type: Bug
>          Components: DN
>            Reporter: George Huang
>            Assignee: George Huang
>            Priority: Major
>
> All keys, buckets and volumes were deleted, essentially no data in Ozone 
> namespace. However, some block files were found left behind on some DNs for a 
> closed container.
>  



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