hadoop fs

liwya

[hadoop@master ~]$ ll　　
total
12　　
-rw-rw-r--  1 hadoop hadoop   14 Apr  1 04:26 aaa
　　
drwxr-xr-x  6 hadoop hadoop  132 Jun 20  2016 Desktop
　　
drwxr-xr-x  2 hadoop hadoop    6 Jun 19  2016 Documents
　　
drwxr-xr-x  2 hadoop hadoop   94 Jun 20  2016 Downloads
　　
drwxr-xr-x 14 hadoop hadoop 4096 Jun 20  2016 hadoop-2.7.2
　　
drwxr-xr-x  8 hadoop hadoop 4096 Apr  1  2016 jdk1.8.0_91
　　
drwxr-xr-x  2 hadoop hadoop    6 Jun 19  2016 Music
　　
drwxr-xr-x  2 hadoop hadoop    6 Jun 19  2016 Pictures
　　
drwxr-xr-x  2 hadoop hadoop    6 Jun 19  2016 Public
　　
drwxr-xr-x  2 hadoop hadoop    6 Jun 19  2016 Templates
　　
drwxr-xr-x  2 hadoop hadoop    6 Jun 19  2016 Videos
　　
[hadoop@master ~]$ hadoop fs -put ./aaa  /
　　
17/04/16 19:39:31 WARN hdfs.DFSClient: DataStreamer Exception
　　
org.apache.hadoop.ipc.RemoteException(java.io.IOException): File /aaa._COPYING_ could only be replicated to 0 nodes instead of minReplication (=1).  There are 0 datanode(s) running and no node(s) are excluded in this operation.
　　
at org.apache.hadoop.hdfs.server.blockmanagement.BlockManager.chooseTarget4NewBlock(BlockManager.java:1547)
　　
at org.apache.hadoop.hdfs.server.namenode.FSNamesystem.getNewBlockTargets(FSNamesystem.java:3107)
　　
at org.apache.hadoop.hdfs.server.namenode.FSNamesystem.getAdditionalBlock(FSNamesystem.java:3031)
　　
at org.apache.hadoop.hdfs.server.namenode.NameNodeRpcServer.addBlock(NameNodeRpcServer.java:724)
　　
at org.apache.hadoop.hdfs.protocolPB.ClientNamenodeProtocolServerSideTranslatorPB.addBlock(ClientNamenodeProtocolServerSideTranslatorPB.java:492)
　　
at org.apache.hadoop.hdfs.protocol.proto.ClientNamenodeProtocolProtos$ClientNamenodeProtocol$2.callBlockingMethod(ClientNamenodeProtocolProtos.java)
　　
at org.apache.hadoop.ipc.ProtobufRpcEngine$Server$ProtoBufRpcInvoker.call(ProtobufRpcEngine.java:616)
　　
at org.apache.hadoop.ipc.RPC$Server.call(RPC.java:969)
　　
at org.apache.hadoop.ipc.Server$Handler$1.run(Server.java:2049)
　　
at org.apache.hadoop.ipc.Server$Handler$1.run(Server.java:2045)
　　
at java.security.AccessController.doPrivileged(Native Method)
　　
at javax.security.auth.Subject.doAs(Subject.java:422)
　　
at org.apache.hadoop.security.UserGroupInformation.doAs(UserGroupInformation.java:1657)
　　
at org.apache.hadoop.ipc.Server$Handler.run(Server.java:2043)
　　

　　
at org.apache.hadoop.ipc.Client.call(Client.java:1475)
　　
at org.apache.hadoop.ipc.Client.call(Client.java:1412)
　　
at org.apache.hadoop.ipc.ProtobufRpcEngine$Invoker.invoke(ProtobufRpcEngine.java:229)
　　
at com.sun.proxy.$Proxy9.addBlock(Unknown Source)
　　
at org.apache.hadoop.hdfs.protocolPB.ClientNamenodeProtocolTranslatorPB.addBlock(ClientNamenodeProtocolTranslatorPB.java:418)
　　
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
　　
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
　　
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
　　
at java.lang.reflect.Method.invoke(Method.java:498)
　　
at org.apache.hadoop.io.retry.RetryInvocationHandler.invokeMethod(RetryInvocationHandler.java:191)
　　
at org.apache.hadoop.io.retry.RetryInvocationHandler.invoke(RetryInvocationHandler.java:102)
　　
at com.sun.proxy.$Proxy10.addBlock(Unknown Source)
　　
at org.apache.hadoop.hdfs.DFSOutputStream$DataStreamer.locateFollowingBlock(DFSOutputStream.java:1459)
　　
at org.apache.hadoop.hdfs.DFSOutputStream$DataStreamer.nextBlockOutputStream(DFSOutputStream.java:1255)
　　
at org.apache.hadoop.hdfs.DFSOutputStream$DataStreamer.run(DFSOutputStream.java:449)
　　
put: File /aaa._COPYING_ could only be replicated to 0 nodes instead of minReplication (=1).  There are 0 datanode(s) running and no node(s) are excluded in this operation.
　　
[hadoop@master ~]$