Hi Habeeb, Try to turn off the safemode with the following command bin/hadoop dfsadmin -safemode leave
as safemode is on and no modifications can be done to the fs or blocks.[read only mode of the HDFS] and restart. Hope you find this useful. Thank You. On Mon, Jun 18, 2012 at 3:22 PM, Habeeb Raza < habeebraja.abdulham...@martini-corp.com> wrote: > > Hi, > > I have setup a hadoop cluster with three nodes. when I start the cluster, > all daemons are running in Master and Slave as well. while monitor from > UI(using port 50030), its showing only one node is live node(i.e, Master > node). While checking the logs, I do see the following exception. > > "problem cleaning system directory: > hdfs://masternode:54310/mnt/sdb1/mapred/system > org.apache.hadoop.ipc.RemoteException: > org.apache.hadoop.hdfs.server.namenode.SafeModeException: Cannot delete > /mnt/sdb1/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." > > I also tried to restart the node and restart the cluster. But its not > working. > > Can anyone help me please. > > Thanks in Advance, > Habeeb > -- > View this message in context: > http://old.nabble.com/SafeModeException----Hadoop-Startup-tp34028890p34028890.html > Sent from the Hadoop core-user mailing list archive at Nabble.com. > -- - Regards, Swathi.V. , Software Developer Blog URL :http://femgeekz.blogspot.in
