cloudera manager安装问题记录二
问题一
IOException thrown while collecting data from host: No route to host
?因为agent机器开启了防火墙
解决:
service iptables stop
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问题二
在以下主机上，组 'hadoop' 不包括用户 'hdfs'：
解决:
usermod -a -G hadoop hdfs
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问题三
Initialization failed for block pool Block pool BP-470954207-10.108.74.237-1392171421251 (storage id ) service to osslpc7/10.108.74.237:8022org.apache.hadoop.hdfs.server.common.InconsistentFSStateException: Directory /opt/dfs/dn is in an inconsistent state: cluster Id is incompatible with others.at org.apache.hadoop.hdfs.server.common.Storage.setClusterId(Storage.java:1065)at org.apache.hadoop.hdfs.server.datanode.DataStorage.setFieldsFromProperties(DataStorage.java:305)at org.apache.hadoop.hdfs.server.common.Storage.readProperties(Storage.java:916)at org.apache.hadoop.hdfs.server.datanode.DataStorage.doTransition(DataStorage.java:372)at org.apache.hadoop.hdfs.server.datanode.DataStorage.recoverTransitionRead(DataStorage.java:191)at org.apache.hadoop.hdfs.server.datanode.DataStorage.recoverTransitionRead(DataStorage.java:219)at org.apache.hadoop.hdfs.server.datanode.DataNode.initStorage(DataNode.java:916)at org.apache.hadoop.hdfs.server.datanode.DataNode.initBlockPool(DataNode.java:887)at org.apache.hadoop.hdfs.server.datanode.BPOfferService.verifyAndSetNamespaceInfo(BPOfferService.java:309)at org.apache.hadoop.hdfs.server.datanode.BPServiceActor.connectToNNAndHandshake(BPServiceActor.java:218)at org.apache.hadoop.hdfs.server.datanode.BPServiceActor.run(BPServiceActor.java:660)at java.lang.Thread.run(Thread.java:722)
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解决:
rm -fr /opt/dfs/dn/
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