[jira] [Created] (HDFS-12454) Ozone : the sample ozone-site.xml in OzoneGettingStarted does not work

["Chen Liang (JIRA)" <ji...@apache.org>]

Chen Liang created HDFS-12454:
---------------------------------

             Summary: Ozone : the sample ozone-site.xml in OzoneGettingStarted does not work
                 Key: HDFS-12454
                 URL: https://issues.apache.org/jira/browse/HDFS-12454
             Project: Hadoop HDFS
          Issue Type: Sub-task
            Reporter: Chen Liang


In OzoneGettingStarted.md there is a sample ozone-site.xml file. But there are a few issues with it.
1.
{code}
        <property>
          <name>ozone.scm.block.client.address</name>
          <value>scm.hadoop.apache.org</value>
        </property>

         <property>
            <name>ozone.ksm.address</name>
            <value>ksm.hadoop.apache.org</value>
          </property>
{code}
The value should be an address instead.

2.
{{datanode.ObjectStoreHandler.<init>(ObjectStoreHandler.java:103)}} requires {{ozone.scm.client.address}} to be set, which is missing from this sample file. Missing this config will seem to cause failure on starting datanode.

3.
{code}
        <property>
          <name>ozone.scm.names</name>
          <value>scm.hadoop.apache.org</value>
        </property>
{code}
This value did not make much sense to, I found the comment in {{ScmConfigKeys}} that says
{code}
// ozone.scm.names key is a set of DNS | DNS:PORT | IP Address | IP:PORT.
// Written as a comma separated string. e.g. scm1, scm2:8020, 7.7.7.7:7777
{code}
So maybe we should write something like scm1 as value here.

4. I'm not entirely sure about this, but [here|https://wiki.apache.org/hadoop/Ozone#Configuration] it says 
{code}
<property>
    <name>ozone.handler.type</name>
    <value>local</value>
  </property>
{code}
is also part of minimum setting, do we need to add this [~anu]?



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