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https://issues.apache.org/jira/browse/HBASE-21073?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16655528#comment-16655528
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Mike Drob commented on HBASE-21073:
-----------------------------------
v11: rebased
> "Maintenance mode" master
> -------------------------
>
> Key: HBASE-21073
> URL: https://issues.apache.org/jira/browse/HBASE-21073
> Project: HBase
> Issue Type: Sub-task
> Components: amv2, hbck2, master
> Reporter: stack
> Assignee: Mike Drob
> Priority: Major
> Attachments: HBASE-21073.master.001.patch,
> HBASE-21073.master.002.patch, HBASE-21073.master.003.patch,
> HBASE-21073.master.004.patch, HBASE-21073.master.005.patch,
> HBASE-21073.master.006.patch, HBASE-21073.master.007.patch,
> HBASE-21073.master.008.patch, HBASE-21073.master.009.patch,
> HBASE-21073.master.010.patch, HBASE-21073.master.011.patch
>
>
> Make it so we can bring up a Master in "maintenance mode". This is parse of
> master wal procs but not taking on regionservers. It would be in a state
> where "repair" Procedures could run; e.g. a Procedure that could recover meta
> by looking for meta WALs, splitting them, dropping recovered.edits, and even
> making it so meta is readable. See parent issue for why needed (disaster
> recovery).
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