Ravi Prakash created HDFS-3321:
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Summary: 1 datanode more than dfs.namenode.safemode.min.datanodes
is required to come out of safemode.
Key: HDFS-3321
URL: https://issues.apache.org/jira/browse/HDFS-3321
Project: Hadoop HDFS
Issue Type: Bug
Affects Versions: 0.23.1
Reporter: Ravi Prakash
Courtesy Andreina,
{quote}
When "dfs.namenode.safemode.min.datanodes" is configured to n
So namenode will be in safemode until n DN are registered with the namenode .
But in UI it displays that n+1 datanodes are additionally needed. And "safe
mode will be turned off automatically " message is also displayed .
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"dfs.namenode.safemode.min.datanodes" =2
Started the NN
The UI report displays that
"Safe mode is on.The number of live datanodes 0 needs additional 3 live inimum
number 2. Safe mode will turned off automatically".
{quote}
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