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Date: Sun, 5 Aug 2012 02:46:02 +0000 (UTC)
From: "Eli Collins (JIRA)" <jira@apache.org>
To: hdfs-dev@hadoop.apache.org
Message-ID: <45552865.14424.1344134762816.JavaMail.jiratomcat@issues-vm>
Subject: [jira] [Created] (HDFS-3764) Hadoop fsck reports files with blocks
 w/o live replicas as corrupt
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Eli Collins created HDFS-3764:
---------------------------------

             Summary: Hadoop fsck reports files with blocks w/o live replicas as corrupt
                 Key: HDFS-3764
                 URL: https://issues.apache.org/jira/browse/HDFS-3764
             Project: Hadoop HDFS
          Issue Type: Bug
    Affects Versions: 2.0.0-alpha
            Reporter: Eli Collins


fsck calls FSN#listCorruptFileBlocks, this returns info for files where there's no live replicas, which doesn't necessarily indicate the file is "corrupt". Let's make fsck distinguish between:
- Blocks w/o any lives replicas (mostly the case when repl=1 and a DN goes down)
- Blocks where are live replicas are/were corrupt

Perhaps this could leverage the stats from HDFS-2554.

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