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https://issues.apache.org/jira/browse/HBASE-23371?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Wellington Chevreuil resolved HBASE-23371.
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Resolution: Fixed
> [HBCK2] Provide client side method for removing "ghost" regions in meta.
> -------------------------------------------------------------------------
>
> Key: HBASE-23371
> URL: https://issues.apache.org/jira/browse/HBASE-23371
> Project: HBase
> Issue Type: New Feature
> Reporter: Wellington Chevreuil
> Assignee: Wellington Chevreuil
> Priority: Major
> Fix For: hbck2 1.1.0
>
>
> We found some customers facing problems where region entries are present in
> meta, but no related region dir is available on the underlying files system.
> The actual cause couldn't be confirmed with certainty, and this was happening
> on a cluster version that doesn't support server side *fixMeta* command.
> Ultimately, solution was to manual delete the extra regions from meta.
> This ticket proposes two new client side commands for HBCK2, similar to the
> already existing *addFsRegionsMissingInMeta* and
> *reportMissingRegionsInMeta*, for finding and cleaning out meta from
> inconsistent state, when no *fixMeta* is available (which is the case for any
> version prior to "2.0.6", "2.1.6", "2.2.1", "2.3.0","3.0.0").
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