Hari Sekhon created HDFS-8244:
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Summary: HDFS Custom Storage Tier Policies
Key: HDFS-8244
URL: https://issues.apache.org/jira/browse/HDFS-8244
Project: Hadoop HDFS
Issue Type: New Feature
Components: balancer & mover, datanode, HDFS, hdfs-client, namenode
Affects Versions: 2.6.0
Environment: HDP 2.2
Reporter: Hari Sekhon
Priority: Minor
Feature request to be able to define custom HDFS storage policies.
For example, being able to define DISK:2, Archive:n - 2.
Motivation for this is when integrating the archive tier on another cheaper
storage system such as Hedvig which we are not in control of and want to hedge
our bets in case something goes wrong with that archive storage system (it's
new and unproven) we don't want just one copy of the data left on our cluster
in case we lose a node.
Hari Sekhon
http://www.linkedin.com/in/harisekhon
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