Hello Everyone,
I added a NFS mount point to the dfs.name.dir configuration option, but
after that when I restarted the hadoop cluster I got these:
************************************************************/
2010-03-03 18:32:59,708 INFO org.apache.hadoop.ipc.metrics.RpcMetrics:
Initializing RPC Metrics with hostName=NameNode, port=9000
2010-03-03 18:32:59,714 INFO
org.apache.hadoop.hdfs.server.namenode.NameNode: Namenode up at: cactus207/
172.16.1.207:9000
2010-03-03 18:32:59,723 INFO org.apache.hadoop.metrics.jvm.JvmMetrics:
Initializing JVM Metrics with processName=NameNode, sessionId=null
2010-03-03 18:32:59,724 INFO
org.apache.hadoop.hdfs.server.namenode.metrics.NameNodeMetrics: Initializing
NameNodeMeterics using context object:org.apache.had
oop.metrics.spi.NullContext
2010-03-03 18:32:59,798 INFO
org.apache.hadoop.hdfs.server.namenode.FSNamesystem:
fsOwner=root,root,bin,daemon,sys,adm,disk,wheel
2010-03-03 18:32:59,798 INFO
org.apache.hadoop.hdfs.server.namenode.FSNamesystem: supergroup=supergroup
2010-03-03 18:32:59,798 INFO
org.apache.hadoop.hdfs.server.namenode.FSNamesystem:
isPermissionEnabled=true
2010-03-03 18:32:59,805 INFO
org.apache.hadoop.hdfs.server.namenode.metrics.FSNamesystemMetrics:
Initializing FSNamesystemMetrics using context object:org.apa
che.hadoop.metrics.spi.NullContext
2010-03-03 18:32:59,806 INFO
org.apache.hadoop.hdfs.server.namenode.FSNamesystem: Registered
FSNamesystemStatusMBean
2010-03-03 18:33:29,856 INFO org.apache.hadoop.hdfs.server.common.Storage:
java.io.IOException: No locks available
at sun.nio.ch.FileChannelImpl.lock0(Native Method)
at sun.nio.ch.FileChannelImpl.tryLock(FileChannelImpl.java:879)
at java.nio.channels.FileChannel.tryLock(FileChannel.java:962)
at
org.apache.hadoop.hdfs.server.common.Storage$StorageDirectory.tryLock(Storage.java:527)
at
org.apache.hadoop.hdfs.server.common.Storage$StorageDirectory.lock(Storage.java:505)
at
org.apache.hadoop.hdfs.server.common.Storage$StorageDirectory.analyzeStorage(Storage.java:363)
at
org.apache.hadoop.hdfs.server.namenode.FSImage.recoverTransitionRead(FSImage.java:285)
at
org.apache.hadoop.hdfs.server.namenode.FSDirectory.loadFSImage(FSDirectory.java:87)
at
org.apache.hadoop.hdfs.server.namenode.FSNamesystem.initialize(FSNamesystem.java:311)
at
org.apache.hadoop.hdfs.server.namenode.FSNamesystem.<init>(FSNamesystem.java:292)
at
org.apache.hadoop.hdfs.server.namenode.NameNode.initialize(NameNode.java:201)
at
org.apache.hadoop.hdfs.server.namenode.NameNode.<init>(NameNode.java:279)
at
org.apache.hadoop.hdfs.server.namenode.NameNode.createNameNode(NameNode.java:956)
at
org.apache.hadoop.hdfs.server.namenode.NameNode.main(NameNode.java:965)
2010-03-03 18:33:29,858 ERROR
org.apache.hadoop.hdfs.server.namenode.FSNamesystem: FSNamesystem
initialization failed.
java.io.IOException: No locks available
at sun.nio.ch.FileChannelImpl.lock0(Native Method)
at sun.nio.ch.FileChannelImpl.tryLock(FileChannelImpl.java:879)
at java.nio.channels.FileChannel.tryLock(FileChannel.java:962)
at
org.apache.hadoop.hdfs.server.common.Storage$StorageDirectory.tryLock(Storage.java:527)
at
org.apache.hadoop.hdfs.server.common.Storage$StorageDirectory.lock(Storage.java:505)
at
org.apache.hadoop.hdfs.server.common.Storage$StorageDirectory.analyzeStorage(Storage.java:363)
at
org.apache.hadoop.hdfs.server.namenode.FSImage.recoverTransitionRead(FSImage.java:285)
at
org.apache.hadoop.hdfs.server.namenode.FSDirectory.loadFSImage(FSDirectory.java:87)
at
org.apache.hadoop.hdfs.server.namenode.FSNamesystem.initialize(FSNamesystem.java:311)
at
org.apache.hadoop.hdfs.server.namenode.FSNamesystem.<init>(FSNamesystem.java:292)
at
org.apache.hadoop.hdfs.server.namenode.NameNode.initialize(NameNode.java:201)
at
org.apache.hadoop.hdfs.server.namenode.NameNode.<init>(NameNode.java:279)
at
org.apache.hadoop.hdfs.server.namenode.NameNode.createNameNode(NameNode.java:956)
at
org.apache.hadoop.hdfs.server.namenode.NameNode.main(NameNode.java:965)
2010-03-03 18:33:29,859 INFO org.apache.hadoop.ipc.Server: Stopping server
on 9000
2010-03-03 18:33:29,859 ERROR
org.apache.hadoop.hdfs.server.namenode.NameNode: java.io.IOException: No
locks available
at sun.nio.ch.FileChannelImpl.lock0(Native Method)
at sun.nio.ch.FileChannelImpl.tryLock(FileChannelImpl.java:879)
at java.nio.channels.FileChannel.tryLock(FileChannel.java:962)
at
org.apache.hadoop.hdfs.server.common.Storage$StorageDirectory.tryLock(Storage.java:527)
at
org.apache.hadoop.hdfs.server.common.Storage$StorageDirectory.lock(Storage.java:505)
at
org.apache.hadoop.hdfs.server.common.Storage$StorageDirectory.analyzeStorage(Storage.java:363)
at
org.apache.hadoop.hdfs.server.namenode.FSImage.recoverTransitionRead(FSImage.java:285)
at
org.apache.hadoop.hdfs.server.namenode.FSDirectory.loadFSImage(FSDirectory.java:87)
at
org.apache.hadoop.hdfs.server.namenode.FSNamesystem.initialize(FSNamesystem.java:311)
at
org.apache.hadoop.hdfs.server.namenode.FSNamesystem.<init>(FSNamesystem.java:292)
at
org.apache.hadoop.hdfs.server.namenode.NameNode.initialize(NameNode.java:201)
at
org.apache.hadoop.hdfs.server.namenode.NameNode.<init>(NameNode.java:279)
at
org.apache.hadoop.hdfs.server.namenode.NameNode.createNameNode(NameNode.java:956)
at
org.apache.hadoop.hdfs.server.namenode.NameNode.main(NameNode.java:965)
2010-03-03 18:33:29,861 INFO
org.apache.hadoop.hdfs.server.namenode.NameNode: SHUTDOWN_MSG:
/************************************************************
SHUTDOWN_MSG: Shutting down NameNode at cactus207/172.16.1.207
************************************************************/
2010-03-03 18:41:32,635 INFO org.apache.hadoop.ipc.metrics.RpcMetrics:
Initializing RPC Metrics with hostName=NameNode, port=9000
2010-03-03 18:41:32,641 INFO
org.apache.hadoop.hdfs.server.namenode.NameNode: Namenode up at: cactus207/
172.16.1.207:9000
2010-03-03 18:41:32,643 INFO org.apache.hadoop.metrics.jvm.JvmMetrics:
Initializing JVM Metrics with processName=NameNode, sessionId=null
2010-03-03 18:41:32,644 INFO
org.apache.hadoop.hdfs.server.namenode.metrics.NameNodeMetrics: Initializing
NameNodeMeterics using context object:org.apache.had
oop.metrics.spi.NullContext
2010-03-03 18:41:32,692 INFO
org.apache.hadoop.hdfs.server.namenode.FSNamesystem:
fsOwner=root,root,bin,daemon,sys,adm,disk,wheel
2010-03-03 18:41:32,693 INFO
org.apache.hadoop.hdfs.server.namenode.FSNamesystem: supergroup=supergroup
2010-03-03 18:41:32,693 INFO
org.apache.hadoop.hdfs.server.namenode.FSNamesystem:
isPermissionEnabled=true
2010-03-03 18:41:32,699 INFO
org.apache.hadoop.hdfs.server.namenode.metrics.FSNamesystemMetrics:
Initializing FSNamesystemMetrics using context object:org.apa
che.hadoop.metrics.spi.NullContext
2010-03-03 18:41:32,701 INFO
org.apache.hadoop.hdfs.server.namenode.FSNamesystem: Registered
FSNamesystemStatusMBean
2010-03-03 18:42:02,749 INFO org.apache.hadoop.hdfs.server.common.Storage:
java.io.IOException: No locks available
at sun.nio.ch.FileChannelImpl.lock0(Native Method)
at sun.nio.ch.FileChannelImpl.tryLock(FileChannelImpl.java:879)
at java.nio.channels.FileChannel.tryLock(FileChannel.java:962)
at
org.apache.hadoop.hdfs.server.common.Storage$StorageDirectory.tryLock(Storage.java:527)
at
org.apache.hadoop.hdfs.server.common.Storage$StorageDirectory.lock(Storage.java:505)
at
org.apache.hadoop.hdfs.server.common.Storage$StorageDirectory.analyzeStorage(Storage.java:363)
at
org.apache.hadoop.hdfs.server.namenode.FSImage.recoverTransitionRead(FSImage.java:285)
at
org.apache.hadoop.hdfs.server.namenode.FSDirectory.loadFSImage(FSDirectory.java:87)
at
org.apache.hadoop.hdfs.server.namenode.FSNamesystem.initialize(FSNamesystem.java:311)
at
org.apache.hadoop.hdfs.server.namenode.FSNamesystem.<init>(FSNamesystem.java:292)
at
org.apache.hadoop.hdfs.server.namenode.NameNode.initialize(NameNode.java:201)
at
org.apache.hadoop.hdfs.server.namenode.NameNode.<init>(NameNode.java:279)
at
org.apache.hadoop.hdfs.server.namenode.NameNode.createNameNode(NameNode.java:956)
at
org.apache.hadoop.hdfs.server.namenode.NameNode.main(NameNode.java:965)
2010-03-03 18:42:02,751 ERROR
org.apache.hadoop.hdfs.server.namenode.FSNamesystem: FSNamesystem
initialization failed.
java.io.IOException: No locks available
at sun.nio.ch.FileChannelImpl.lock0(Native Method)
at sun.nio.ch.FileChannelImpl.tryLock(FileChannelImpl.java:879)
at java.nio.channels.FileChannel.tryLock(FileChannel.java:962)
at
org.apache.hadoop.hdfs.server.common.Storage$StorageDirectory.tryLock(Storage.java:527)
at
org.apache.hadoop.hdfs.server.common.Storage$StorageDirectory.lock(Storage.java:505)
at
org.apache.hadoop.hdfs.server.common.Storage$StorageDirectory.analyzeStorage(Storage.java:363)
at
org.apache.hadoop.hdfs.server.namenode.FSImage.recoverTransitionRead(FSImage.java:285)
at
org.apache.hadoop.hdfs.server.namenode.FSDirectory.loadFSImage(FSDirectory.java:87)
at
org.apache.hadoop.hdfs.server.namenode.FSNamesystem.initialize(FSNamesystem.java:311)
at
org.apache.hadoop.hdfs.server.namenode.FSNamesystem.<init>(FSNamesystem.java:292)
at
org.apache.hadoop.hdfs.server.namenode.NameNode.initialize(NameNode.java:201)
at
org.apache.hadoop.hdfs.server.namenode.NameNode.<init>(NameNode.java:279)
at
org.apache.hadoop.hdfs.server.namenode.NameNode.createNameNode(NameNode.java:956)
at
org.apache.hadoop.hdfs.server.namenode.NameNode.main(NameNode.java:965)
2010-03-03 18:42:02,752 INFO org.apache.hadoop.ipc.Server: Stopping server
on 9000
2010-03-03 18:42:02,752 ERROR
org.apache.hadoop.hdfs.server.namenode.NameNode: java.io.IOException: No
locks available
at sun.nio.ch.FileChannelImpl.lock0(Native Method)
at sun.nio.ch.FileChannelImpl.tryLock(FileChannelImpl.java:879)
at java.nio.channels.FileChannel.tryLock(FileChannel.java:962)
at
org.apache.hadoop.hdfs.server.common.Storage$StorageDirectory.tryLock(Storage.java:527)
at
org.apache.hadoop.hdfs.server.common.Storage$StorageDirectory.lock(Storage.java:505)
at
org.apache.hadoop.hdfs.server.common.Storage$StorageDirectory.analyzeStorage(Storage.java:363)
at
org.apache.hadoop.hdfs.server.namenode.FSImage.recoverTransitionRead(FSImage.java:285)
at
org.apache.hadoop.hdfs.server.namenode.FSDirectory.loadFSImage(FSDirectory.java:87)
at
org.apache.hadoop.hdfs.server.namenode.FSNamesystem.initialize(FSNamesystem.java:311)
at
org.apache.hadoop.hdfs.server.namenode.FSNamesystem.<init>(FSNamesystem.java:292)
at
org.apache.hadoop.hdfs.server.namenode.NameNode.initialize(NameNode.java:201)
at
org.apache.hadoop.hdfs.server.namenode.NameNode.<init>(NameNode.java:279)
at
org.apache.hadoop.hdfs.server.namenode.NameNode.createNameNode(NameNode.java:956)
at
org.apache.hadoop.hdfs.server.namenode.NameNode.main(NameNode.java:965)
2010-03-03 18:42:02,753 INFO
org.apache.hadoop.hdfs.server.namenode.NameNode: SHUTDOWN_MSG:
/************************************************************
When I removed the NFS mount from the configuration and restarted the
hadoop cluster again, it startted up normally.
Any ideas?
Thanks a lot.
LvZheng.
