fsck reports the fs as healthy even when all replicas of a block are corrupted by overwriting them with smaller content -----------------------------------------------------------------------------------------------------------------------
Key: HDFS-2376 URL: https://issues.apache.org/jira/browse/HDFS-2376 Project: Hadoop HDFS Issue Type: Bug Affects Versions: 0.20.205.0 Reporter: Arpit Gupta Here is the issue 1. Find all 3 replicas for a block 2. Corrupt the 3 blocks by overwriting them with smaller content 3. cat the file which had the above block (cat fails as content is not correct) 4. run fsck and fsck still reports the fs as healthy -- This message is automatically generated by JIRA. If you think it was sent incorrectly, please contact your JIRA administrators: https://issues.apache.org/jira/secure/ContactAdministrators!default.jspa For more information on JIRA, see: http://www.atlassian.com/software/jira