cloudera error Function Not Implemented

PaulWeb — Fri, 16 Sep 2022 09:35:20 GMT

Hello evereone!

When I starting namenode, i got below error. Namenode formated succesfully. HDFS directories in Lustre Cluster.

Plugin for Lustre installed https://github.com/seagate/lustrefs

2015-07-23 19:43:41,460 INFO org.apache.hadoop.metrics2.impl.MetricsSystemImpl: NameNode metrics system shutdown complete.
2015-07-23 19:43:41,460 FATAL org.apache.hadoop.hdfs.server.namenode.NameNode: Failed to start namenode.
java.io.IOException: Function not implemented
	at sun.nio.ch.FileChannelImpl.lock0(Native Method)
	at sun.nio.ch.FileChannelImpl.tryLock(FileChannelImpl.java:871)
	at java.nio.channels.FileChannel.tryLock(FileChannel.java:962)
	at org.apache.hadoop.hdfs.server.common.Storage$StorageDirectory.tryLock(Storage.java:707)
	at org.apache.hadoop.hdfs.server.common.Storage$StorageDirectory.lock(Storage.java:675)
	at org.apache.hadoop.hdfs.server.common.Storage$StorageDirectory.analyzeStorage(Storage.java:496)
	at org.apache.hadoop.hdfs.server.namenode.FSImage.recoverStorageDirs(FSImage.java:308)
	at org.apache.hadoop.hdfs.server.namenode.FSImage.recoverTransitionRead(FSImage.java:202)
	at org.apache.hadoop.hdfs.server.namenode.FSNamesystem.loadFSImage(FSNamesystem.java:1006)
	at org.apache.hadoop.hdfs.server.namenode.FSNamesystem.loadFromDisk(FSNamesystem.java:736)
	at org.apache.hadoop.hdfs.server.namenode.NameNode.loadNamesystem(NameNode.java:531)
	at org.apache.hadoop.hdfs.server.namenode.NameNode.initialize(NameNode.java:587)
	at org.apache.hadoop.hdfs.server.namenode.NameNode.<init>(NameNode.java:754)
	at org.apache.hadoop.hdfs.server.namenode.NameNode.<init>(NameNode.java:738)
	at org.apache.hadoop.hdfs.server.namenode.NameNode.createNameNode(NameNode.java:1427)
	at org.apache.hadoop.hdfs.server.namenode.NameNode.main(NameNode.java:1493)
2015-07-23 19:43:41,463 INFO org.apache.hadoop.util.ExitUtil: Exiting with status 1
2015-07-23 19:43:41,465 INFO org.apache.hadoop.hdfs.server.namenode.NameNode: SHUTDOWN_MSG: 
/************************************************************
SHUTDOWN_MSG: Shutting down NameNode at wn021.lxfarm.intranet/192.168.77.143
************************************************************/

Please help me!

Re: cloudera error Function Not Implemented

GautamG — Thu, 23 Jul 2015 23:40:03 GMT

Sorry but we currently do not support Lustre either in parallel or to replace HDFS. You could try contacting hadoop.on.lustre@seagate.com as mentioned in the README

Re: cloudera error Function Not Implemented

PaulWeb — Fri, 24 Jul 2015 04:45:01 GMT

Thanks for the answer. I heard about HAL (Hadoop Adapter On Lustre). It is exists? But i did not find it to download.

What else can I try to do?

Re: cloudera error Function Not Implemented

GautamG — Fri, 24 Jul 2015 04:48:02 GMT

I am not aware of this product or how to use it, sorry. Maybe someone else
can chime in if they have any knowledge about this.

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