HA Configuration Parameters
Configuration parameters in config.dat for the HA feature include:
ii.hostname.x100.hdfs.ha.rewrite_on_failover
Run a REWRITE statement on startup after failover to rebuild the data in the new configuration. Valid values: true and false
ii.hostname.x100.hdfs.ha.master
Name of master node
ii.hostname.x100.hdfs.ha.secondary
Name of secondary master node
ii.hostname.x100.hdfs.ha.status
States of the instances currently running. Valid values: master and failover.