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https://issues.apache.org/jira/browse/HDFS-11265?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15838190#comment-15838190
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Elek, Marton commented on HDFS-11265:
-------------------------------------
Ok. But as I understood, the "decomissioned" state is when the datanode is
still running but it's prepared to the shutting down and no other block will be
saved to the node. When it's turned off it's "Decomissioned and dead". I
uploaded two other possible icon (from the Glyphicons Halflings which is used
in the frontend). One is a x in a circle which is a little bit more neutral,
other one just an exclamation mark.
> Extend visualization for Maintenance Mode under Datanode tab in the NameNode
> UI
> -------------------------------------------------------------------------------
>
> Key: HDFS-11265
> URL: https://issues.apache.org/jira/browse/HDFS-11265
> Project: Hadoop HDFS
> Issue Type: Sub-task
> Components: datanode, namenode
> Affects Versions: 3.0.0-alpha1
> Reporter: Manoj Govindassamy
> Assignee: Elek, Marton
> Attachments: HDFS-11265.001.patch, icons.png
>
>
> With HDFS-9391, DataNodes in MaintenanceModes states are shown under DataNode
> page in NameNode UI, but they are lacking icon visualization like the ones
> shown for other node states. Need to extend the icon visualization to cover
> Maintenance Mode.
> {code}
> <script type="text/x-dust-template" id="tmpl-datanode">
> <div class="page-header"><h1>Datanode Information</h1></div>
> <div>
> <ul class="dfshealth-node-legend">
> <li class="dfshealth-node-icon dfshealth-node-alive">In service</li>
> <li class="dfshealth-node-icon dfshealth-node-down">Down</li>
> <li class="dfshealth-node-icon
> dfshealth-node-decommissioned">Decommissioned</li>
> <li class="dfshealth-node-icon
> dfshealth-node-down-decommissioned">Decommissioned & dead</li>
> </ul>
> </div>
> {code}
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