Datanode Cluster new Plus drive

Mount the hard drive to the specified directory, such as/data

Modify in Hdfs-site.xml

<property>

<name>dfs.datanode.data.dir</name>

<value>file://${hadoop.tmp.dir}/dfs/data,/data</value>

<description>determines where on the local filesystem a DFS data node

should store its blocks. If this is a comma-delimited

List of directories, then data would be stored in all named

directories, typically on different devices.

Directories that does not exist is ignored.

</description>

</property>

Restarting a cluster

Datanode Cluster new Plus drive