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https://issues.apache.org/jira/browse/HBASE-8348?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13739813#comment-13739813
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rajeshbabu commented on HBASE-8348:
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bq. So we clean up zk and hdfs first and then run the hfilev1 detector? Should
the detector run first?
I will change it.
bq. Should we rename the hbase-cleanup.sh script to be called migrate.sh or
upgrade.sh now it does more than cleaning?
I will change it to upgrade.sh. And also we can have options like
upgradeZk,updgradHdfs,updgradeAll right? then if user sees any problems in zk,
he can run upgrade with updradeZk option once again. similarly with hdfs.
> 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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