格式化我的hdfs后,我收到以下错误:
2015-05-28 21:41:57,544 WARN org.apache.hadoop.hdfs.server.common.Storage: java.io.IOException: Incompatible clusterIDs in /usr/local/hadoop/dfs/datanode: namenode clusterID = CID-e77ee39a-ab4a-4de1-b1a4-9d4da78b83e8; datanode clusterID = CID-6c250e90-658c-4363-9346-972330ff8bf9
2015-05-28 21:41:57,545 FATAL org.apache.hadoop.hdfs.server.datanode.DataNode: Initialization failed for Block pool <registering> (Datanode Uuid unassigned) service to localhost/127.0.0.1:9000. Exiting.
java.io.IOException: All specified directories are failed to load.
at.. org.apache.hadoop.hdfs.server.datanode.DataStorage.recoverTransitionRead(DataStorage.java:477)
at org.apache.hadoop.hdfs.server.datanode.DataNode.initStorage(DataNode.java:1387)
at org.apache.hadoop.hdfs.server.datanode.DataNode.initBlockPool(DataNode.java:1352)
at org.apache.hadoop.hdfs.server.datanode.BPOfferService.verifyAndSetNamespaceInfo(BPOfferService.java:316)
at org.apache.hadoop.hdfs.server.datanode.BPServiceActor.connectToNNAndHandshake(BPServiceActor.java:228)
at org.apache.hadoop.hdfs.server.datanode.BPServiceActor.run(BPServiceActor.java:852)
at java.lang.Thread.run(Thread.java:745)
...blah...
SHUTDOWN_MSG:
/************************************************************
SHUTDOWN_MSG: Shutting down DataNode at der-Inspiron-3521/127.0.1.1
************************************************************/
以下是我所做的步骤:
sbin/stop-dfs.sh
hdfs namenode -format
sbin/start-dfs.sh
有关您的信息:我的core-site.xml具有临时目录,如下所示:
<property>
<name>hadoop.tmp.dir</name>
<value>/usr/local/hadoop</value>
<description>A base for …