need to remove unhealthy storage directories
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Key: HDFS-3076
URL: https://issues.apache.org/jira/browse/HDFS-3076
Project: Hadoop HDFS
Issue Type: Bug
Components: name-node
Affects Versions: 0.24.0
Reporter: Brandon Li
Assignee: Brandon Li
When TransferFsImage can't access the storage directories to transfer the
metadata files it throws IOException. It should also put these directories to
the removedStorageDirs list so that it can be visible on namenode UI and also
makes it possible to restore them later on.
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