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From "Anu Engineer (JIRA)" <j...@apache.org>
Subject [jira] [Created] (HDDS-1266) [Ozone upgrade] Support Upgrading HDFS clusters to use Ozone
Date Thu, 14 Mar 2019 00:04:00 GMT
Anu Engineer created HDDS-1266:

             Summary: [Ozone upgrade] Support Upgrading HDFS clusters to use Ozone
                 Key: HDDS-1266
                 URL: https://issues.apache.org/jira/browse/HDDS-1266
             Project: Hadoop Distributed Data Store
          Issue Type: New Feature
            Reporter: Anu Engineer
            Assignee: Anu Engineer

This is the master JIRA to support upgrading existing HDFS clusters to have Ozone running
concurrently. One of the requirements is that we support upgrading from HDFS to Ozone, without
a full data copy. This requirement is called "In Place upgrade", the end result of such an
upgrade would be to have the HDFS data appear in Ozone as if Ozone has taken a snap-shot of
the HDFS data. Once upgrade is complete, Ozone and HDFS will act as independent systems. I
will post a design document soon.

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