Now I came out of the safe mode through admin command. I tried to put a file into hdfs and encountered this error.
org.apache.hadoop.ipc.RemoteException: java.io.IOException: File /user/hadoop/hosts could only be replicated to 0 nodes, instead of 1 Any hint to fix this, This happens when the namenode is not datanode. Am I making sense? With thanks and regards Balachandar The information in this e-mail is confidential. The contents may not be disclosed or used by anyone other than the addressee. Access to this e-mail by anyone else is unauthorised. If you are not the intended recipient, please notify Airbus immediately and delete this e-mail. Airbus cannot accept any responsibility for the accuracy or completeness of this e-mail as it has been sent over public networks. If you have any concerns over the content of this message or its Accuracy or Integrity, please contact Airbus immediately. All outgoing e-mails from Airbus are checked using regularly updated virus scanning software but you should take whatever measures you deem to be appropriate to ensure that this message and any attachments are virus free.
