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https://issues.apache.org/jira/browse/HDDS-4283?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17203077#comment-17203077
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Attila Doroszlai commented on HDDS-4283:
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I think this was already removed in HDDS-3992.
> Remove unsupported upgrade command in ozone cli
> -----------------------------------------------
>
> Key: HDDS-4283
> URL: https://issues.apache.org/jira/browse/HDDS-4283
> Project: Hadoop Distributed Data Store
> Issue Type: Bug
> Reporter: Yiqun Lin
> Assignee: Yiqun Lin
> Priority: Minor
>
> In HDDS-1383, we introduce a new upgrade command for supporting to in-place
> upgrade from HDFS to Ozone.
> {noformat}
> upgrade HDFS to Ozone in-place upgrade tool
> ....
> Usage: ozone upgrade [-hV] [--verbose] [-conf=<configurationPath>]
> [-D=<String=String>]... [COMMAND]
> Convert raw HDFS data to Ozone data without data movement.
> --verbose More verbose output. Show the stack trace of the errors.
> -conf=<configurationPath>
> -D, --set=<String=String>
> -h, --help Show this help message and exit.
> -V, --version Print version information and exit.
> Commands:
> plan Plan existing HDFS block distribution and give.estimation.
> balance Move the HDFS blocks for a better distribution usage.
> execute Start/restart upgrade from HDFS to Ozone cluster.
> [hdfs@lyq ~]$ ~/ozone/bin/ozone upgrade plan
> [In-Place upgrade : plan] is not yet supported.
> [hdfs@lyq ~]$ ~/ozone/bin/ozone upgrade balance
> [In-Place upgrade : balance] is not yet supported.
> [hdfs@lyq ~]$ ~/ozone/bin/ozone upgrade execute
> In-Place upgrade : execute] is not yet supported
> {noformat}
> But this feature has not been implemented yet and is a very big feature.
> I don't think it's good to expose a cli command that is not supported and
> meanwhile that cannot be quickly implemented in the short term.
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