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From yibo820217 <yibo0...@gmail.com>
Subject Re: fuse:The ratio of reported blocks 0.0000 has not reached the threshold 0.9990
Date Fri, 16 Oct 2009 08:12:01 GMT


It seems lke the normal procedure to restart the hdfs.




yibo820217 wrote:
> 
> hi,recently,i got some problem.
> at first,I start the hadoop
> #bin/start-all.sh
> then I look the logs
> #cat hadoop-root-namenode-cent52ip32.log 
> 
> 2009-10-13 22:12:29,733 INFO
> org.apache.hadoop.hdfs.server.namenode.FSNamesystem.audit: 
> 
> ugi=root,root,bin,daemon,sys,adm,disk,wheel    ip=/127.0.0.1  
> cmd=listStatus  src=/tmp/hadoop-root/mapred/system    
> 
>   dst=null      perm=null
> 2009-10-13 22:12:29,736 INFO org.apache.hadoop.ipc.Server: IPC Server
> handler 5 on 9000, call delete(/tmp/hadoop-
> 
> root/mapred/system, true) from 127.0.0.1:37371: error:
> org.apache.hadoop.hdfs.server.namenode.SafeModeException: 
> 
> Cannot delete /tmp/hadoop-root/mapred/system. Name node is in safe mode.
> The ratio of reported blocks 0.0000 has not reached the threshold 0.9990.
> Safe mode will be turned off 
> automatically.
> org.apache.hadoop.hdfs.server.namenode.SafeModeException: Cannot delete
> /tmp/hadoop-root/mapred/system. Name node is 
> 
> in safe mode.
> The ratio of reported blocks 0.0000 has not reached the threshold 0.9990.
> Safe mode will be turned off 
> 
> automatically.
>         at
> org.apache.hadoop.hdfs.server.namenode.FSNamesystem.deleteInternal(FSNamesystem.java:1696)
>         at
> org.apache.hadoop.hdfs.server.namenode.FSNamesystem.delete(FSNamesystem.java:1676)
>         at
> org.apache.hadoop.hdfs.server.namenode.NameNode.delete(NameNode.java:517)
>         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.ipc.RPC$Server.call(RPC.java:508)
>         at org.apache.hadoop.ipc.Server$Handler$1.run(Server.java:959)
>         at org.apache.hadoop.ipc.Server$Handler$1.run(Server.java:955)
>         at java.security.AccessController.doPrivileged(Native Method)
>         at javax.security.auth.Subject.doAs(Subject.java:396)
>         at org.apache.hadoop.ipc.Server$Handler.run(Server.java:953)
> 
> the same message have appear 10 times,the the safemode is off
> [root@cent52ip32 hadoop]# bin/hadoop dfsadmin -safemode get
> Safe mode is OFF
> 
> I don't know the reason,please help me.
> thanks very much.
> 

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