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Posted to common-dev@hadoop.apache.org by "Wang Xu (JIRA)" <ji...@apache.org> on 2009/05/06 07:30:30 UTC
[jira] Updated: (HADOOP-5778) Help information of refreshNodes does
not show how to decomission nodes
[ https://issues.apache.org/jira/browse/HADOOP-5778?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Wang Xu updated HADOOP-5778:
----------------------------
Attachment: refreshNodes.patch
Add the omitted information to dfsAdmin's help messages.
> Help information of refreshNodes does not show how to decomission nodes
> -----------------------------------------------------------------------
>
> Key: HADOOP-5778
> URL: https://issues.apache.org/jira/browse/HADOOP-5778
> Project: Hadoop Core
> Issue Type: Bug
> Components: dfs
> Affects Versions: 0.19.1
> Environment: hadoop 0.19.1, jdk 1.6, CentOS 5.2
> Reporter: Wang Xu
> Assignee: Wang Xu
> Fix For: 0.19.2
>
> Attachments: refreshNodes.patch
>
>
> The help information does not indicate how to decommission nodes.
> It only describes two scenarios:
> * to stop nodes if not in dfs.hosts
> * stop decommissioning if node is decommissioning and in both dfs.hosts and dfs.host.exclude
> but omits this one:
> * starting decommissioning if node is in service and in both dfs.hosts and dfs.host.exclude
> It would better describe as "Each entry defined in dfs.hosts and also
> in dfs.host.exclude is start decommissioning and start block replication
> if it is in service, or is stopped from decommissioning if it has already
> been marked for decommission."
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