Please format the namenode and then do start-dfs..
Command for namenode format: hdfs namenode -format Thanks & Regards Brahma Reddy Battula ________________________________ From: Azuryy Yu [azury...@gmail.com] Sent: Tuesday, March 25, 2014 2:39 PM To: user@hadoop.apache.org Subject: Re: namenode could not start Are you sure /home/hadoop/mydata/hdfs/namenode exists and has a right permission? On Tue, Mar 25, 2014 at 4:51 PM, haihong lu <ung3...@gmail.com<mailto:ung3...@gmail.com>> wrote: Dear all: I had a problem that the namenode could not start when i ran start-dfs.sh . Show the message as below: FATAL org.apache.hadoop.hdfs.server.namenode.NameNode: Exception in namenode join org.apache.hadoop.hdfs.server.common.InconsistentFSStateException: Directory /home/hadoop/mydata/hdfs/namenode is in an inconsistent state: storage directory does not exist or is not accessible. at org.apache.hadoop.hdfs.server.namenode.FSImage.recoverStorageDirs(FSImage.java:292) at org.apache.hadoop.hdfs.server.namenode.FSImage.recoverTransitionRead(FSImage.java:200) at org.apache.hadoop.hdfs.server.namenode.FSNamesystem.loadFSImage(FSNamesystem.java:787) at org.apache.hadoop.hdfs.server.namenode.FSNamesystem.loadFromDisk(FSNamesystem.java:568) at org.apache.hadoop.hdfs.server.namenode.NameNode.loadNamesystem(NameNode.java:443) at org.apache.hadoop.hdfs.server.namenode.NameNode.initialize(NameNode.java:491) at org.apache.hadoop.hdfs.server.namenode.NameNode.<init>(NameNode.java:684) at org.apache.hadoop.hdfs.server.namenode.NameNode.<init>(NameNode.java:669) at org.apache.hadoop.hdfs.server.namenode.NameNode.createNameNode(NameNode.java:1254) at org.apache.hadoop.hdfs.server.namenode.NameNode.main(NameNode.java:1320) Thank for any help
