Hadoop Disk Fail Inplace
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Key: HADOOP-7123
URL: https://issues.apache.org/jira/browse/HADOOP-7123
Project: Hadoop Common
Issue Type: Improvement
Reporter: Bharath Mundlapudi
This is an umbrella Jira for tracking all the issues and work related for
handling disk failures across the Hadoop stack. Today, Hadoop handles disk
failures to some extent but not
all the issues. This involves understanding both startup and runtime issues
related to disk failures in the Hadoop components.
Scope: The initial scope of work will only be for DataNode and TaskTracker
related disk failure issues.
Methodology: Injecting disk failures in SCSI layer at various runtime points of
Hadoop and observing Hadoop's behavior for improvement.
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