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9.6. Enabling Debug Mode for the Storage Node
- On the storage node machine, stop the storage node.serverRoot/jon-server-3.3.0.GA/bin/rhqctl.sh stop --storage [root@node ~]# serverRoot/jon-server-3.3.0.GA/bin/rhqctl.sh stop --storageCopy to Clipboard Copied! Toggle word wrap Toggle overflow 
- Open the storage node'slog4j-server.propertiesfile.vim serverRoot/jon-server-3.3.0.GA/rhq-storage/conf/log4j-server.properties [root@server ~]# vim serverRoot/jon-server-3.3.0.GA/rhq-storage/conf/log4j-server.propertiesCopy to Clipboard Copied! Toggle word wrap Toggle overflow 
- Add or edit the lines for the log threshold property (log4j.appender.R.Threshold) and the apache property (log4j.logger.org.apache.cassandra) to enable debug logging.log4j.appender.R.Threshold=DEBUG log4j.logger.org.apache.cassandra=DEBUG log4j.appender.R.Threshold=DEBUG log4j.logger.org.apache.cassandra=DEBUGCopy to Clipboard Copied! Toggle word wrap Toggle overflow 
- Restart the storage node.serverRoot/jon-server-3.3.0.GA/bin/rhqctl start --storage [root@node ~]# serverRoot/jon-server-3.3.0.GA/bin/rhqctl start --storageCopy to Clipboard Copied! Toggle word wrap Toggle overflow