Alex Bush created FALCON-1894:
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Summary: HDFS Data replication cannot be initiated independent of
Oozie server location
Key: FALCON-1894
URL: https://issues.apache.org/jira/browse/FALCON-1894
Project: Falcon
Issue Type: Bug
Components: general
Affects Versions: trunk
Reporter: Alex Bush
Priority: Minor
The HDFS mirroring scripts allow replication between two clusters.
Currently, even though the UI allows the replication in any direction between
clusters independent of which cluster the Falcon and Oozie servers belong to
this is not observed and the source cluster is always the cluster with
Oozie/Falcon server.
Steps to reproduce:
1) Define both clusters in Falcon server on cluster 2
2) Set up HDFS mirroring in Falcon server on cluster 2 from Cluster 1 to
Cluster 2 and set to run on Oozie server of Cluster 2
Result:
Falcon will replicate data from Cluster 2 to Cluster 2
Cause:
In hdfs-replication-workflow.xml, the source dir should be defined like the
target dir by including clusterfs:
https://github.com/apache/falcon/blob/master/addons/recipes/hdfs-replication/src/main/resources/hdfs-replication-workflow.xml#L63
<arg>${drSourceDir}</arg>
should be
<arg>${drSourceClusterFS}${drSourceDir}</arg>
like
https://github.com/apache/falcon/blob/master/addons/recipes/hdfs-replication/src/main/resources/hdfs-replication-workflow.xml#L65
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