If the datanode is not coming back you have to explicitly tell hadoop to leave safemode.
http://hadoop.apache.org/common/docs/r0.17.2/hdfs_user_guide.html#Safemode hadoop dfsadmin -safemode leave On Fri, Jul 13, 2012 at 9:35 AM, Juan Pino <juancitomiguel...@gmail.com> wrote: > Hi, > > I can't get HDFS to leave safe mode automatically. Here is what I did: > > -- there was a dead node > -- I stopped dfs > -- I restarted dfs > -- Safe mode wouldn't leave automatically > > I am using hadoop-1.0.2 > > Here are the logs: > > end of hadoop-hadoop-namenode.log (attached): > > 2012-07-13 13:22:29,372 INFO org.apache.hadoop.hdfs.StateChange: STATE* Safe > mode ON. > The ratio of reported blocks 0.9795 has not reached the threshold 0.9990. > Safe mode will be turned off automatically. > 2012-07-13 13:22:29,375 INFO org.apache.hadoop.hdfs.StateChange: STATE* Safe > mode extension entered. > The ratio of reported blocks 0.9990 has reached the threshold 0.9990. Safe > mode will be turned off automatically in 29 seconds. > 2012-07-13 13:22:29,375 INFO org.apache.hadoop.hdfs.StateChange: *BLOCK* > NameSystem.processReport: from , blocks: 3128, processing time: 4 msecs > 2012-07-13 13:31:29,201 INFO org.apache.hadoop.hdfs.StateChange: BLOCK* > NameSystem.processReport: discarded non-initial block report from because > namenode still in startup phase > > Any help would be greatly appreciated. > > Best, > > Juan >
