Íñigo Goiri created HDFS-15127:
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Summary: RBF: Do not allow writes when a subcluster is unavailable
for HASH_ALL mount points.
Key: HDFS-15127
URL: https://issues.apache.org/jira/browse/HDFS-15127
Project: Hadoop HDFS
Issue Type: Improvement
Reporter: Íñigo Goiri
A HASH_ALL mount point should not allow creating new files if one subcluster is
down.
If the file already existed in the past, this could lead to inconsistencies.
We should return an unavailable exception.
{{TestRouterFaultTolerant#testWriteWithFailedSubcluster()}} needs to be changed.
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