【发布时间】:2018-04-23 01:06:05
【问题描述】:
我用的是CDH(Cloudera Distribution Hadoop) 当我启动 hdsf 时,没有 namenode
$ sbin/start-dfs.sh
jps:
hadoop@hekuang:~/app/hadoop-2.6.0-cdh5.7.0/sbin$ jps
10489 DataNode
10685 SecondaryNameNode
11469 Jps
还有这样的namenode日志
2018-04-22 15:18:48,062 ERROR org.apache.hadoop.hdfs.server.namenode.NameNode: Failed to start namenode.
org.apache.hadoop.hdfs.server.common.InconsistentFSStateException: Directory /home/hadoop/app/tmp/dfs/name 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:314)
at org.apache.hadoop.hdfs.server.namenode.FSImage.recoverTransitionRead(FSImage.java:202)
at org.apache.hadoop.hdfs.server.namenode.FSNamesystem.loadFSImage(FSNamesystem.java:1063)
at org.apache.hadoop.hdfs.server.namenode.FSNamesystem.loadFromDisk(FSNamesystem.java:767)
at org.apache.hadoop.hdfs.server.namenode.NameNode.loadNamesystem(NameNode.java:609)
at org.apache.hadoop.hdfs.server.namenode.NameNode.initialize(NameNode.java:670)
at org.apache.hadoop.hdfs.server.namenode.NameNode.<init>(NameNode.java:838)
at org.apache.hadoop.hdfs.server.namenode.NameNode.<init>(NameNode.java:817)
at org.apache.hadoop.hdfs.server.namenode.NameNode.createNameNode(NameNode.java:1538)
at org.apache.hadoop.hdfs.server.namenode.NameNode.main(NameNode.java:1606)
2018-04-22 15:18:48,066 INFO org.apache.hadoop.util.ExitUtil: Exiting with status 1
2018-04-22 15:18:48,068 INFO org.apache.hadoop.hdfs.server.namenode.NameNode: SHUTDOWN_MSG:
核心站点.xml
<configuration>
<property>
<name>fs.defaultFS</name>
<value>hdfs://hekuang:8020</value>
</property>
<property>
<name>hadoop.tmp.dir</name>
<value>/home/hadoop/app/tmp</value>
</property>
</configuration>
hdfs-site.xml
<configuration>
<property>
<name>dfs.replication</name>
<value>1</value>
</property>
</configuration>
我尝试删除 /home/hadoop/app/tmp 并重新启动,但也没有 namenode。
如果删除
<property>
<name>hadoop.tmp.dir</name>
<value>/home/hadoop/app/tmp</value>
</property>
来自core-site.xml,并使用默认目录 那么有namenode,没有DataNode
【问题讨论】:
-
请将
ls -laR /home/hadoop/的输出添加到问题中...顺便说一句,Hadoop 2.6 和 CDH 5.7.0 有点旧。 CDH 目前是 5.14.0,并且有 VM 可供使用。 cloudera.com/developers/get-started-with-hadoop-tutorial.html
标签: hadoop cloudera-cdh