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https://issues.apache.org/jira/browse/HDDS-4849?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Siyao Meng updated HDDS-4849:
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Summary: Improve Ozone admin shell decommission/recommission/maintenance
commands user experience (was: Improve Ozone admin shell decommission and
recommission command user experience)
> Improve Ozone admin shell decommission/recommission/maintenance commands user
> experience
> ----------------------------------------------------------------------------------------
>
> Key: HDDS-4849
> URL: https://issues.apache.org/jira/browse/HDDS-4849
> Project: Apache Ozone
> Issue Type: Sub-task
> Components: Ozone CLI
> Reporter: Siyao Meng
> Assignee: Siyao Meng
> Priority: Major
>
> 1. Currently, entering `ozone admin datanode decommission` command alone
> doesn't give any feedback.
> w/ patch:
> {code}
> bash-4.2$ ozone admin datanode decommission
> Incomplete command
> Usage: ozone admin datanode decommission [-hV] [--scm=<scm>] [<hosts>...]
> Decommission a datanode
> [<hosts>...] List of fully qualified host names
> -h, --help Show this help message and exit.
> --scm=<scm> The destination scm (host:port)
> -V, --version Print version information and exit.
> {code}
> 2. When decommission command is executed successfully, it lacks feedback on
> the client (it does log on the server side though).
> w/ patch:
> {code}
> bash-4.2$ ozone admin datanode decommission 172.18.0.7 172.18.0.2
> Started decommissioning datanodes:
> 172.18.0.7
> 172.18.0.2
> {code}
> 3. Improve decommission failure message due to host/port resolution.
> w/ patch:
> {code}
> bash-4.2$ ozone admin datanode decommission 172.18.0.71
> Host 172.18.0.71 (172.18.0.71) is not running any datanodes registered with
> SCM. Please check the host name.
> bash-4.2$ ozone admin datanode decommission 172.18.0.7:9999
> Host 172.18.0.7:9999 is running a datanode registered with SCM, but the port
> number doesn't match. Please check the port number.
> {code}
> Same to recommission command counterparts.
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