This documentation is for WSO2 Storage Server 1.0.3. View documentation for the latest release.
Changing the Default HDFS Configuration - Storage Server 1.0.3 - WSO2 Documentation
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WSO2 Storage Server ships preconfigured HDFS file system. In the default configuration HDFS is disabled and user has to enable it by disabling the system variable named disable.hdfs.startup in $CARBON_HOME/bin/



HDFS Name Node

1. To start HDFS name node, open a command prompt (in Windows) or a text Linux console (in Linux) in $SS_HOME/bin directory and execute wso2server.bat (in Windows) or (in Linux). 

2. To disable HDFS name node at the Storage Server start-up, change the property value of "disable.hdfs.namenode" to "false" in the wso2server.bat (in Windows) or (in Linux). 


3. To introduce a star-tup delay to name node: 

bin/ -Dhdfs.namenode.startup.delay=400000
HDFS Data Node 

1. To start the HDFS data node, change the directory to $SS_HOME  

HADOOP_SECURE_DN_USER=<user> sudo -E bin/hadoop datanode
The user should have sudo privileges.
2. To format HDFS name nodecache the file system related user ticket:

$kinit hdfs/node0

Next, change the directory to $SS_HOME and execute:

bin/hadoop name node -format
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