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From yibo820217 <yibo0...@gmail.com>
Subject fuse:The ratio of reported blocks 0.0000 has not reached the threshold 0.9990
Date Tue, 13 Oct 2009 08:01:00 GMT

hi,recently,i got some problem.
at first,I start the hadoop
#bin/start-all.sh
then,I mount hdfs to local
#fuse_dfs_wrapper.sh dfs://cent52ip32:9000/ /dfs-test/
In /dfs-test,I do some work,like touch,mkdir,rm
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)


I don't know the reason,please help me.
thanks very much.
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