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https://issues.apache.org/jira/browse/HDFS-9188?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14942001#comment-14942001
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Colin Patrick McCabe commented on HDFS-9188:
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thanks, [~eddyxu].
{{ReplicaToCorrupt}}: it seems like this should be named something like
{{MaterializedReplica}}. Its distinguishing factor is that it is the concrete
representation of some replica in the {{FSDataset}}.
{code}
92 /**
93 * Corrupt the block file by deleting it.
94 * @return true if the deletion is completed.
95 */
96 boolean deleteData();
{code}
This should be able to throw an IOE. Same with {{deleteMeta}}.
> Make block corruption related tests FsDataset-agnostic.
> --------------------------------------------------------
>
> Key: HDFS-9188
> URL: https://issues.apache.org/jira/browse/HDFS-9188
> Project: Hadoop HDFS
> Issue Type: Improvement
> Components: HDFS, test
> Affects Versions: 2.7.1
> Reporter: Lei (Eddy) Xu
> Assignee: Lei (Eddy) Xu
> Attachments: HDFS-9188.000.patch, HDFS-9188.001.patch
>
>
> Currently, HDFS does block corruption tests by directly accessing the files
> stored on the storage directories, which assumes {{FsDatasetImpl}} is the
> dataset implementation. However, with works like OZone (HDFS-7240) and
> HDFS-8679, there will be different FsDataset implementations.
> So we need a general way to run whitebox tests like corrupting blocks and crc
> files.
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