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Posted to dev@ambari.apache.org by "Vitaly Brodetskyi (JIRA)" <ji...@apache.org> on 2015/11/13 13:33:10 UTC

[jira] [Created] (AMBARI-13880) DataNode Data Directories Which Contain Meta Information Tags Trigger Alerts

Vitaly Brodetskyi created AMBARI-13880:
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             Summary: DataNode Data Directories Which Contain Meta Information Tags Trigger Alerts
                 Key: AMBARI-13880
                 URL: https://issues.apache.org/jira/browse/AMBARI-13880
             Project: Ambari
          Issue Type: Bug
          Components: ambari-agent, ambari-server
    Affects Versions: 2.1.2
            Reporter: Vitaly Brodetskyi
            Assignee: Vitaly Brodetskyi
            Priority: Critical
             Fix For: 2.1.3


HDFS allows the ability to tag DataNode data directories with meta information:
https://hadoop.apache.org/docs/stable/hadoop-project-dist/hadoop-hdfs/ArchivalStorage.html
Which results in paths that look like:
[DISK]/hadoop/hdfs/data,[SSD]/hadoop/hdfs/ssd
Many of our scripts assume that directories specified in hdfs-site/dfs.datanode.data.dir are actual paths and perform operations like os.path.isdir which will fail with meta data.



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