Anu Engineer created HDFS-12461:
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Summary: Ozone: Ozone data placement is not even
Key: HDFS-12461
URL: https://issues.apache.org/jira/browse/HDFS-12461
Project: Hadoop HDFS
Issue Type: Sub-task
Components: ozone
Affects Versions: HDFS-7240
Reporter: Anu Engineer
Priority: Blocker
On a machine with 3 data disks, Ozone keeps on picking the same disk to place
all containers. Looks like we have a bug in the round robin selection of disks.
Steps to Reproduce:
1. Install an Ozone cluster.
2. Make sure that datanodes have more than one disk.
3. Run corona few times, each run creates more containers.
4. Login into the data node.
5. Run a command like tree or ls -R /data or independently verify each location.
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