Configuring Oozie to Use HDFS HA
To configure an Oozie workflow to use HDFS HA, use the HDFS nameservice instead of the NameNode URI in the <name-node> element of the workflow.
Example:
<action name="mr-node"> <map-reduce> <job-tracker>${jobTracker}</job-tracker> <name-node>hdfs://ha-nn
where ha-nn is the value of dfs.nameservices in hdfs-site.xml.