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https://issues.apache.org/jira/browse/HBASE-21073?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16654513#comment-16654513
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Mike Drob commented on HBASE-21073:
-----------------------------------
v9: updated based on Stack's feedback on RB.
Going to write up some instructional notes but not sure where to add them in
the ref guide. looked at troubleshooting section and didn't see a good place to
slot it in. Any other suggestions?
> "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
>
>
> 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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