Chris Nauroth created HDFS-8593:
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Summary: Calculation of effective layout version mishandles
comparison to current layout version in storage.
Key: HDFS-8593
URL: https://issues.apache.org/jira/browse/HDFS-8593
Project: Hadoop HDFS
Issue Type: Bug
Components: namenode
Reporter: Chris Nauroth
Assignee: Chris Nauroth
HDFS-8432 introduced the concept of a minimum compatible layout version so that
downgrade is applicable in a wider set of circumstances. This includes logic
for determining if the current layout version in storage is within the bounds
of the minimum compatible layout version. There is an inverted comparison in
this logic, which can result in an incorrect calculation.
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