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https://issues.apache.org/jira/browse/HDFS-11659?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]
Andrew Wang updated HDFS-11659:
-------------------------------
Target Version/s: 2.9.0, 3.0.0-alpha3 (was: 2.9.0, 3.0.0-alpha2)
> TestDataNodeHotSwapVolumes.testRemoveVolumeBeingWritten fail due to no
> DataNode available for pipeline recovery.
> ----------------------------------------------------------------------------------------------------------------
>
> Key: HDFS-11659
> URL: https://issues.apache.org/jira/browse/HDFS-11659
> Project: Hadoop HDFS
> Issue Type: Bug
> Components: datanode
> Affects Versions: 2.7.3, 3.0.0-alpha2
> Reporter: Lei (Eddy) Xu
> Assignee: Lei (Eddy) Xu
> Attachments: HDFS-11659.000.patch
>
>
> The test fails after the following error messages:
> {code}
> java.io.IOException: Failed to replace a bad datanode on the existing
> pipeline due to no more good datanodes being available to try. (Nodes:
> current=[DatanodeInfoWithStorage[127.0.0.1:57377,DS-b4ec61fc-657c-4e2a-9dc3-8d93b7769a2b,DISK],
>
> DatanodeInfoWithStorage[127.0.0.1:47448,DS-18bca8d7-048d-4d7f-9594-d2df16096a3d,DISK]],
>
> original=[DatanodeInfoWithStorage[127.0.0.1:57377,DS-b4ec61fc-657c-4e2a-9dc3-8d93b7769a2b,DISK],
>
> DatanodeInfoWithStorage[127.0.0.1:47448,DS-18bca8d7-048d-4d7f-9594-d2df16096a3d,DISK]]).
> The current failed datanode replacement policy is DEFAULT, and a client may
> configure this via
> 'dfs.client.block.write.replace-datanode-on-failure.policy' in its
> configuration.
> at
> org.apache.hadoop.hdfs.DFSOutputStream$DataStreamer.findNewDatanode(DFSOutputStream.java:1280)
> at
> org.apache.hadoop.hdfs.DFSOutputStream$DataStreamer.addDatanode2ExistingPipeline(DFSOutputStream.java:1354)
> at
> org.apache.hadoop.hdfs.DFSOutputStream$DataStreamer.setupPipelineForAppendOrRecovery(DFSOutputStream.java:1512)
> at
> org.apache.hadoop.hdfs.DFSOutputStream$DataStreamer.processDatanodeError(DFSOutputStream.java:1236)
> at
> org.apache.hadoop.hdfs.DFSOutputStream$DataStreamer.run(DFSOutputStream.java:721)
> {code}
> In such case, the DataNode that has removed can not be used in the pipeline
> recovery.
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