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https://issues.apache.org/jira/browse/HBASE-8348?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13740369#comment-13740369
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Himanshu Vashishtha commented on HBASE-8348:
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Rajesh, few more comments:
a) I think you should also remove the hbase.id znode as master has to rewrite
it anyway.
Also, talking to Matteo, also delete online-snapshot znode. That way, there
will be only two znodes left: table, replication.
b) We could use the replication znode backup tool, or just replace it in place.
That tool is more generic as with that you could serialize your znodes anywhere
(on another znode, or on fs), and restore it. BUT, in-place replacement also
works.
> Polish the migration to 0.96
> ----------------------------
>
> Key: HBASE-8348
> URL: https://issues.apache.org/jira/browse/HBASE-8348
> Project: HBase
> Issue Type: Bug
> Affects Versions: 0.95.0
> Reporter: Jean-Daniel Cryans
> Assignee: rajeshbabu
> Priority: Critical
> Fix For: 0.95.2
>
> Attachments: HBASE-8348_trunk.patch, HBASE-8348_trunk_v2.patch,
> HBASE-8348_trunk_v3.patch
>
>
> Currently, migration works but there's still a couple of rough edges:
> - HBASE-8045 finished the .META. migration but didn't remove ROOT, so it's
> still on the filesystem.
> - Data in ZK needs to be removed manually. Either we fix up the data in ZK
> or we delete it ourselves.
> - TestMetaMigrationRemovingHTD has a testMetaUpdatedFlagInROOT method, but
> ROOT is gone now.
> Elliott was also mentioning that we could have "hbase migrate" do the HFileV1
> checks, clear ZK, remove ROOT, etc.
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