Re: fuse:The ratio of reported blocks 0.0000 has not reached the threshold 0.9990

[Brian Bockelman]

Hey,




Brian

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

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

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:


Safe mode will be turned off
automatically.

/tmp/hadoop-root/mapred/system. Name node is

in safe mode.

Safe mode will be turned off

automatically.
       at

       at

       at

       at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
       at

       at

       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
[r...@cent52ip32 hadoop]# bin/hadoop dfsadmin -safemode get
Safe mode is OFF

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

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. org.apache.hadoop.hdfs.server.namenode.SafeModeException: Cannot delete The ratio of reported blocks 0.0000 has not reached the threshold 0.9990. org.apache.hadoop.hdfs.server.namenode.FSNamesystem.deleteInternal (FSNamesystem.java:1696) org.apache.hadoop.hdfs.server.namenode.FSNamesystem.delete (FSNamesystem.java:1676) org.apache.hadoop.hdfs.server.namenode.NameNode.delete (NameNode.java:517) sun.reflect.NativeMethodAccessorImpl.invoke (NativeMethodAccessorImpl.java:39) sun.reflect.DelegatingMethodAccessorImpl.invoke (DelegatingMethodAccessorImpl.java:25)

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