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    <title>question hdfs - datanode is not recognizing 1 disk only in Support Questions</title>
    <link>https://community.cloudera.com/t5/Support-Questions/hdfs-datanode-is-not-recognizing-1-disk-only/m-p/375118#M242291</link>
    <description>&lt;P&gt;hello cloudera community,&lt;/P&gt;&lt;P&gt;&amp;nbsp;&lt;/P&gt;&lt;P&gt;I have a problem in a datanode only in &lt;STRONG&gt;hdfs&lt;/STRONG&gt;&lt;/P&gt;&lt;P&gt;&amp;nbsp;&lt;/P&gt;&lt;P&gt;this datanode has &lt;STRONG&gt;10 disks&lt;/STRONG&gt; and in the hdfs settings (&lt;STRONG&gt;dfs.datanode.data.dir&lt;/STRONG&gt;) is configured the &lt;STRONG&gt;10&lt;/STRONG&gt; &lt;STRONG&gt;disks&lt;/STRONG&gt;&lt;/P&gt;&lt;P&gt;&amp;nbsp;&lt;/P&gt;&lt;P&gt;but for some time this datanode is not recognizing &lt;STRONG&gt;one&lt;/STRONG&gt; of the &lt;STRONG&gt;disks&lt;/STRONG&gt; configured only&lt;/P&gt;&lt;P&gt;&amp;nbsp;&lt;/P&gt;&lt;P&gt;was already done the &lt;STRONG&gt;restart&lt;/STRONG&gt; of the &lt;STRONG&gt;datanode&lt;/STRONG&gt; and even so did not back to recognize&lt;/P&gt;&lt;P&gt;&amp;nbsp;&lt;/P&gt;&lt;P&gt;looking at the datanode logs, it is not really recognizing the disk, only the &lt;STRONG&gt;9 disks&lt;/STRONG&gt;&lt;/P&gt;&lt;P&gt;&amp;nbsp;&lt;/P&gt;&lt;P&gt;these disks are also being used by &lt;STRONG&gt;other services&lt;/STRONG&gt; in the &lt;STRONG&gt;cluster&lt;/STRONG&gt; and these other services are able to recognize the &lt;STRONG&gt;10 disks&lt;/STRONG&gt; without any problem, only &lt;STRONG&gt;hdfs&lt;/STRONG&gt; is having this problem&lt;/P&gt;&lt;P&gt;&amp;nbsp;&lt;/P&gt;&lt;P&gt;could you help us to solve this &lt;STRONG&gt;problem&lt;/STRONG&gt;?&lt;/P&gt;</description>
    <pubDate>Thu, 10 Aug 2023 14:53:09 GMT</pubDate>
    <dc:creator>yagoaparecidoti</dc:creator>
    <dc:date>2023-08-10T14:53:09Z</dc:date>
    <item>
      <title>hdfs - datanode is not recognizing 1 disk only</title>
      <link>https://community.cloudera.com/t5/Support-Questions/hdfs-datanode-is-not-recognizing-1-disk-only/m-p/375118#M242291</link>
      <description>&lt;P&gt;hello cloudera community,&lt;/P&gt;&lt;P&gt;&amp;nbsp;&lt;/P&gt;&lt;P&gt;I have a problem in a datanode only in &lt;STRONG&gt;hdfs&lt;/STRONG&gt;&lt;/P&gt;&lt;P&gt;&amp;nbsp;&lt;/P&gt;&lt;P&gt;this datanode has &lt;STRONG&gt;10 disks&lt;/STRONG&gt; and in the hdfs settings (&lt;STRONG&gt;dfs.datanode.data.dir&lt;/STRONG&gt;) is configured the &lt;STRONG&gt;10&lt;/STRONG&gt; &lt;STRONG&gt;disks&lt;/STRONG&gt;&lt;/P&gt;&lt;P&gt;&amp;nbsp;&lt;/P&gt;&lt;P&gt;but for some time this datanode is not recognizing &lt;STRONG&gt;one&lt;/STRONG&gt; of the &lt;STRONG&gt;disks&lt;/STRONG&gt; configured only&lt;/P&gt;&lt;P&gt;&amp;nbsp;&lt;/P&gt;&lt;P&gt;was already done the &lt;STRONG&gt;restart&lt;/STRONG&gt; of the &lt;STRONG&gt;datanode&lt;/STRONG&gt; and even so did not back to recognize&lt;/P&gt;&lt;P&gt;&amp;nbsp;&lt;/P&gt;&lt;P&gt;looking at the datanode logs, it is not really recognizing the disk, only the &lt;STRONG&gt;9 disks&lt;/STRONG&gt;&lt;/P&gt;&lt;P&gt;&amp;nbsp;&lt;/P&gt;&lt;P&gt;these disks are also being used by &lt;STRONG&gt;other services&lt;/STRONG&gt; in the &lt;STRONG&gt;cluster&lt;/STRONG&gt; and these other services are able to recognize the &lt;STRONG&gt;10 disks&lt;/STRONG&gt; without any problem, only &lt;STRONG&gt;hdfs&lt;/STRONG&gt; is having this problem&lt;/P&gt;&lt;P&gt;&amp;nbsp;&lt;/P&gt;&lt;P&gt;could you help us to solve this &lt;STRONG&gt;problem&lt;/STRONG&gt;?&lt;/P&gt;</description>
      <pubDate>Thu, 10 Aug 2023 14:53:09 GMT</pubDate>
      <guid>https://community.cloudera.com/t5/Support-Questions/hdfs-datanode-is-not-recognizing-1-disk-only/m-p/375118#M242291</guid>
      <dc:creator>yagoaparecidoti</dc:creator>
      <dc:date>2023-08-10T14:53:09Z</dc:date>
    </item>
    <item>
      <title>Re: hdfs - datanode is not recognizing 1 disk only</title>
      <link>https://community.cloudera.com/t5/Support-Questions/hdfs-datanode-is-not-recognizing-1-disk-only/m-p/375120#M242292</link>
      <description>&lt;P&gt;i managed to fix the problem&lt;/P&gt;&lt;P&gt;&amp;nbsp;&lt;/P&gt;&lt;P&gt;i changed the &lt;STRONG&gt;VERSION&lt;/STRONG&gt; file of another disk that is &lt;STRONG&gt;OK&lt;/STRONG&gt; and datanode was able to recognize the disk &lt;STRONG&gt;again&lt;/STRONG&gt;&lt;/P&gt;&lt;P&gt;&amp;nbsp;&lt;/P&gt;&lt;P&gt;regards&lt;/P&gt;</description>
      <pubDate>Thu, 10 Aug 2023 16:35:42 GMT</pubDate>
      <guid>https://community.cloudera.com/t5/Support-Questions/hdfs-datanode-is-not-recognizing-1-disk-only/m-p/375120#M242292</guid>
      <dc:creator>yagoaparecidoti</dc:creator>
      <dc:date>2023-08-10T16:35:42Z</dc:date>
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