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From Brian Bockelman <bbock...@cse.unl.edu>
Subject Re: fuse:The ratio of reported blocks 0.0000 has not reached the threshold 0.9990
Date Fri, 16 Oct 2009 13:31:18 GMT
Hey,

I thought this sort of basic safemode operation is covered well in the  
manual.  Do you have any questions or suggestions for the documentation?

Brian

On Oct 16, 2009, at 3:12 AM, yibo820217 wrote:

>
>
> 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.
>>
>
> -- 
> View this message in context: http://www.nabble.com/fuse%3AThe-ratio-of-reported-blocks-0.0000-has-not-reached-the-threshold-0.9990-tp25868687p25921487.html
> Sent from the Hadoop core-user mailing list archive at Nabble.com.


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