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https://issues.apache.org/jira/browse/HDFS-14794?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16940656#comment-16940656
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Surendra Singh Lilhore edited comment on HDFS-14794 at 9/30/19 5:32 AM:
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Root cause of this bad block is HDFS-14720. We also saw the same in Observer
namenode.
was (Author: surendrasingh):
Root cause of this bad block is HDFS-14794. We also saw the same in Observer
namenode.
> [SBN read] reportBadBlock is rejected by Observer.
> --------------------------------------------------
>
> Key: HDFS-14794
> URL: https://issues.apache.org/jira/browse/HDFS-14794
> Project: Hadoop HDFS
> Issue Type: Sub-task
> Components: namenode
> Affects Versions: 2.10.0
> Reporter: Konstantin Shvachko
> Priority: Major
>
> {{reportBadBlock}} is rejected by Observer via StandbyException
> {code}StandbyException: Operation category WRITE is not supported in state
> observer{code}
> We should investigate what are the consequences of this and if we should
> treat {{reportBadBlock}} as IBRs. Note that {{reportBadBlock}} is a part of
> both {{ClientProtocol}} and {{DatanodeProtocol}}
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