Thanks
On Mon, Feb 24, 2014 at 6:39 PM, Azuryy Yu <azury...@gmail.com> wrote: > Generally, this is caused by insufficient space. > > please check the total capacity of your cluster and used, remaining ratio, > and check dfs.datanode.du.reserved in the hdfs-site.xml > > if this value is larger than your remained capacity, then you got this > Exception. > > > > On Tue, Feb 25, 2014 at 10:35 AM, Manoj Khangaonkar <khangaon...@gmail.com > > wrote: > >> Hi >> >> Can one of the implementors comment on what conditions trigger this error >> ? >> >> All the data nodes show up as commissioned. No errors during startup >> >> If I google for this error, there are several posts reporting the issue : >> but most of the answers have weak solutions like reformating and restarting >> none of which help. >> >> My guess is that this is a networking /port access issue. If anyone can >> shed light on what conditions cause this error , it would be much >> appreciated. >> >> regards >> >> >> >> >> On Mon, Feb 24, 2014 at 1:07 PM, Manoj Khangaonkar <khangaon...@gmail.com >> > wrote: >> >>> Hi, >>> >>> I setup a cluster with >>> >>> machine1 : namenode and datanode >>> machine 2 : data node >>> >>> A simple hdfs copy is not working. Can someone help with this issue ? >>> Several folks have posted this error on the web, But I have seen a good >>> reason or solution. >>> >>> command: >>> bin/hadoop fs -copyFromLocal ~/hello /manoj/ >>> >>> Error: >>> copyFromLocal: File /manoj/hello._COPYING_ could only be replicated to 0 >>> nodes instead of minReplication (=1). There are 2 datanode(s) running and >>> no node(s) are excluded in this operation. >>> 14/02/24 12:56:38 ERROR hdfs.DFSClient: Failed to close file >>> /manoj/hello._COPYING_ >>> org.apache.hadoop.ipc.RemoteException(java.io.IOException): File >>> /manoj/hello._COPYING_ could only be replicated to 0 nodes instead of >>> minReplication (=1). There are 2 datanode(s) running and no node(s) are >>> excluded in this operation. >>> at >>> org.apache.hadoop.hdfs.server.blockmanagement.BlockManager.chooseTarget(BlockManager.java:1384) >>> at >>> org.apache.hadoop.hdfs.server.namenode.FSNamesystem.getAdditionalBlock(FSNamesystem.java:2477) >>> at >>> org.apache.hadoop.hdfs.server.namenode.NameNodeRpcServer.addBlock(NameNodeRpcServer.java:555) >>> at >>> org.apache.hadoop.hdfs.protocolPB.ClientNamenodeProtocolServerSideTranslatorPB.addBlock(ClientNamenodeProtocolServerSideTranslatorPB.java:387) >>> at >>> org.apache.hadoop.hdfs.protocol.proto.ClientNamenodeProtocolProtos$ClientNamenodeProtocol$2.callBlockingMethod(ClientNamenodeProtocolProtos.java:59582) >>> at >>> org.apache.hadoop.ipc.ProtobufRpcEngine$Server$ProtoBufRpcInvoker.call(ProtobufRpcEngine.java:585) >>> at org.apache.hadoop.ipc.RPC$Server.call(RPC.java:928) >>> at org.apache.hadoop.ipc.Server$Handler$1.run(Server.java:2048) >>> at org.apache.hadoop.ipc.Server$Handler$1.run(Server.java:2044) >>> at java.security.AccessController.doPrivileged(Native Method) >>> at javax.security.auth.Subject.doAs(Subject.java:396) >>> at >>> org.apache.hadoop.security.UserGroupInformation.doAs(UserGroupInformation.java:1491) >>> at org.apache.hadoop.ipc.Server$Handler.run(Server.java:2042) >>> >>> at org.apache.hadoop.ipc.Client.call(Client.java:1347) >>> at org.apache.hadoop.ipc.Client.call(Client.java:1300) >>> at >>> org.apache.hadoop.ipc.ProtobufRpcEngine$Invoker.invoke(ProtobufRpcEngine.java:206) >>> at com.sun.proxy.$Proxy9.addBlock(Unknown Source) >>> at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) >>> at >>> sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39) >>> at >>> sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25) >>> at java.lang.reflect.Method.invoke(Method.java:597) >>> at >>> org.apache.hadoop.io.retry.RetryInvocationHandler.invokeMethod(RetryInvocationHandler.java:186) >>> at >>> org.apache.hadoop.io.retry.RetryInvocationHandler.invoke(RetryInvocationHandler.java:102) >>> at com.sun.proxy.$Proxy9.addBlock(Unknown Source) >>> at >>> org.apache.hadoop.hdfs.protocolPB.ClientNamenodeProtocolTranslatorPB.addBlock(ClientNamenodeProtocolTranslatorPB.java:330) >>> at >>> org.apache.hadoop.hdfs.DFSOutputStream$DataStreamer.locateFollowingBlock(DFSOutputStream.java:1226) >>> at >>> org.apache.hadoop.hdfs.DFSOutputStream$DataStreamer.nextBlockOutputStream(DFSOutputStream.java:1078) >>> at >>> org.apache.hadoop.hdfs.DFSOutputStream$DataStreamer.run(DFSOutputStream.java:514) >>> >>> My setup is very basic : >>> core-site.xml >>> <configuration> >>> <property> >>> <name>fs.default.name</name> >>> <value>hdfs://n-prd-bst-beacon01:9000</value> >>> </property> >>> <property> >>> <name>hadoop.tmp.dir</name> >>> <value>/home/manoj/hadoop-2.2.0/tmp</value> >>> </property> >>> </configuration> >>> >>> hdfs-site.xml >>> <configuration> >>> <property> >>> <name>dfs.replication</name> >>> <value>1</value> >>> </property> >>> <property> >>> <name>dfs.permissions</name> >>> <value>false</value> >>> </property> >>> </configuration> >>> >>> slaves: >>> localhost >>> n-prd-bst-beacon02.advertising.aol.com >>> >>> Namenode and Datanode (on both machines) are up & running without errors >>> >>> regards >>> >>> -- >>> http://khangaonkar.blogspot.com/ >>> >> >> >> >> -- >> http://khangaonkar.blogspot.com/ >> > > -- http://khangaonkar.blogspot.com/
