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From "Weiwei Yang (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (HDFS-12053) Ozone: ozone server should create missing metadata directory if it has permission to
Date Wed, 28 Jun 2017 09:15:00 GMT

     [ https://issues.apache.org/jira/browse/HDFS-12053?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Weiwei Yang updated HDFS-12053:
-------------------------------
    Status: Patch Available  (was: Open)

> Ozone: ozone server should create missing metadata directory if it has permission to
> ------------------------------------------------------------------------------------
>
>                 Key: HDFS-12053
>                 URL: https://issues.apache.org/jira/browse/HDFS-12053
>             Project: Hadoop HDFS
>          Issue Type: Sub-task
>          Components: ozone
>            Reporter: Weiwei Yang
>            Assignee: Weiwei Yang
>            Priority: Minor
>         Attachments: HDFS-12053-HDFS-7240.001.patch
>
>
> Datanode state machine right now simple fails if container metadata directory is missing,
it is better to create the directory if it has permission to. This is extremely useful at
a fresh setup, usually we set {{ozone.container.metadata.dirs}} to be under same parent of
{{dfs.datanode.data.dir}}. E.g
> * /hadoop/hdfs/data
> * /hadoop/hdfs/scm
> if I don't pre-setup /hadoop/hdfs/scm/repository, ozone could not be started.



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