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https://issues.apache.org/jira/browse/HDFS-9739?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15129039#comment-15129039
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Mingliang Liu commented on HDFS-9739:
-------------------------------------
Thanks for your prompt reply, [~kihwal]. I tested locally and
{{TestDatanodeStartupFixesLegacyStorageIDs}} failed as expected. Glad to know
[HDFS-9730] will address this further.
> DatanodeStorage.isValidStorageId() is broken
> --------------------------------------------
>
> Key: HDFS-9739
> URL: https://issues.apache.org/jira/browse/HDFS-9739
> Project: Hadoop HDFS
> Issue Type: Bug
> Reporter: Kihwal Lee
> Assignee: Mingliang Liu
> Priority: Critical
> Attachments: HDFS-9739.000.patch
>
>
> After HDFS-8979, the check is returning true for the old storage ID format.
> So storage IDs in the old format won't be updated during datanode upgrade.
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