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https://issues.apache.org/jira/browse/HDFS-2290?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13109514#comment-13109514
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Laxman commented on HDFS-2290:
------------------------------
I can see this issue exists in trunk as well.
I just rebased the patch to trunk and verified.
Following test-cases (provided in patch) are failing without the fix.
{code}
testWhenDecreasingReplication
testWithReplicationFactorAsOne
{code}
After fix, all the test-cases are passing. So IMO this issue needs to be fixed
in trunk as well.
This is just an attempt to fix the issue in trunk as well. Thanks to Binoy and
Konstantin for the patch. I can upload the patch for trunk if it is fine with
you.
> Block with corrupt replica is not getting replicated
> ----------------------------------------------------
>
> Key: HDFS-2290
> URL: https://issues.apache.org/jira/browse/HDFS-2290
> Project: Hadoop HDFS
> Issue Type: Bug
> Components: name-node
> Affects Versions: 0.22.0
> Reporter: Konstantin Shvachko
> Assignee: Benoy Antony
> Fix For: 0.22.0
>
> Attachments: HDFS-2290_0.22.patch, HDFS-2290_022.patch,
> HDFS-2290_022.patch
>
>
> A block has one replica marked as corrupt and two good ones. countNodes()
> correctly detects that there are only 2 live replicas, and fsck reports the
> block as under-replicated. But ReplicationMonitor never schedules replication
> of good replicas.
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