Daryn Sharp created HDFS-8492:
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Summary: DN should notify NN when client requests a missing block
Key: HDFS-8492
URL: https://issues.apache.org/jira/browse/HDFS-8492
Project: Hadoop HDFS
Issue Type: Bug
Affects Versions: 2.0.0-alpha
Reporter: Daryn Sharp
If the DN has a block its volume map but not on-disk, it tells clients it's an
invalid block id. The NN is not informed of the missing block until either the
bp slice scanner or the directory scanner detects the missing block. DN should
remove the replica from the volume map and inform the NN.
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