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https://issues.apache.org/jira/browse/HDFS-582?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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dhruba borthakur updated HDFS-582:
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Component/s: contrib/raid
A better option (as advised by Raghu via HDFS-503) is to expose a new APi from
the NN that lists missing blocks. The RaidNode can use this API (periodically)
to fetch the list of missing blocks and fix them from the parity blocks.
> Create a fsckraid tool to verify the consistency of erasure codes for HDFS-503
> ------------------------------------------------------------------------------
>
> Key: HDFS-582
> URL: https://issues.apache.org/jira/browse/HDFS-582
> Project: Hadoop HDFS
> Issue Type: Improvement
> Components: contrib/raid
> Reporter: Rodrigo Schmidt
> Assignee: Rodrigo Schmidt
>
> HDFS-503 should also have a tool to test the consistency of the parity files
> generated, so that data corruption can be detected and treated.
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