Hadoop NameNode is not formatted.

2014-08-26 20:27:22,712 WARN org.apache.hadoop.hdfs.server.namenode.FSNamesystem: Encountered exception loading fsimage
java.io.IOException: NameNode is not formatted.

1、启动Hadoop

[email protected]_160_34_centos:/usr/local/hadoop-2.4.0> sbin/start-all.sh
This script is Deprecated. Instead use start-dfs.sh and start-yarn.sh
Starting namenodes on [Master]
Master: starting namenode, logging to /usr/local/hadoop-2.4.0/logs/hadoop-hadoop-namenode-VM_160_34_centos.out
localhost: starting datanode, logging to /usr/local/hadoop-2.4.0/logs/hadoop-hadoop-datanode-VM_160_34_centos.out
Starting secondary namenodes [0.0.0.0]
0.0.0.0: starting secondarynamenode, logging to /usr/local/hadoop-2.4.0/logs/hadoop-hadoop-secondarynamenode-VM_160_34_centos.out
starting yarn daemons
starting resourcemanager, logging to /usr/local/hadoop-2.4.0/logs/yarn-hadoop-resourcemanager-VM_160_34_centos.out
localhost: starting nodemanager, logging to /usr/local/hadoop-2.4.0/logs/yarn-hadoop-nodemanager-VM_160_34_centos.out

查看namenode启动日志

2014-08-26 20:27:22,712 WARN org.apache.hadoop.hdfs.server.namenode.FSNamesystem: Encountered exception loading fsimage
java.io.IOException: NameNode is not formatted.
        at org.apache.hadoop.hdfs.server.namenode.FSImage.recoverTransitionRead(FSImage.java:212)
        at org.apache.hadoop.hdfs.server.namenode.FSNamesystem.loadFSImage(FSNamesystem.java:879)
        at org.apache.hadoop.hdfs.server.namenode.FSNamesystem.loadFromDisk(FSNamesystem.java:638)
        at org.apache.hadoop.hdfs.server.namenode.NameNode.loadNamesystem(NameNode.java:455)
        at org.apache.hadoop.hdfs.server.namenode.NameNode.initialize(NameNode.java:511)
        at org.apache.hadoop.hdfs.server.namenode.NameNode.<init>(NameNode.java:670)
        at org.apache.hadoop.hdfs.server.namenode.NameNode.<init>(NameNode.java:655)
        at org.apache.hadoop.hdfs.server.namenode.NameNode.createNameNode(NameNode.java:1304)
        at org.apache.hadoop.hdfs.server.namenode.NameNode.main(NameNode.java:1370)
2014-08-26 20:27:22,715 INFO org.mortbay.log: Stopped [email protected]0.0.0.0:50070
2014-08-26 20:27:22,815 INFO org.apache.hadoop.metrics2.impl.MetricsSystemImpl: Stopping NameNode metrics system...
2014-08-26 20:27:22,816 INFO org.apache.hadoop.metrics2.impl.MetricsSystemImpl: NameNode metrics system stopped.
2014-08-26 20:27:22,816 INFO org.apache.hadoop.metrics2.impl.MetricsSystemImpl: NameNode metrics system shutdown complete.
2014-08-26 20:27:22,816 FATAL org.apache.hadoop.hdfs.server.namenode.NameNode: Exception in namenode join
java.io.IOException: NameNode is not formatted.
        at org.apache.hadoop.hdfs.server.namenode.FSImage.recoverTransitionRead(FSImage.java:212)
        at org.apache.hadoop.hdfs.server.namenode.FSNamesystem.loadFSImage(FSNamesystem.java:879)
        at org.apache.hadoop.hdfs.server.namenode.FSNamesystem.loadFromDisk(FSNamesystem.java:638)
        at org.apache.hadoop.hdfs.server.namenode.NameNode.loadNamesystem(NameNode.java:455)
        at org.apache.hadoop.hdfs.server.namenode.NameNode.initialize(NameNode.java:511)
        at org.apache.hadoop.hdfs.server.namenode.NameNode.<init>(NameNode.java:670)
        at org.apache.hadoop.hdfs.server.namenode.NameNode.<init>(NameNode.java:655)
        at org.apache.hadoop.hdfs.server.namenode.NameNode.createNameNode(NameNode.java:1304)
        at org.apache.hadoop.hdfs.server.namenode.NameNode.main(NameNode.java:1370)
2014-08-26 20:27:22,818 INFO org.apache.hadoop.util.ExitUtil: Exiting with status 1
2014-08-26 20:27:22,819 INFO org.apache.hadoop.hdfs.server.namenode.NameNode: SHUTDOWN_MSG:
/************************************************************
SHUTDOWN_MSG: Shutting down NameNode at VM_160_34_centos/127.0.0.1
************************************************************/
2014-08-26 20:27:22,712 WARN org.apache.hadoop.hdfs.server.namenode.FSNamesystem: Encountered exception loading fsimage

java.io.IOException: NameNode is not formatted."一行显示，namenode未初始化。

2, 关闭hadoop

[email protected]_160_34_centos:/usr/local/hadoop-2.4.0> sbin/stop-all.sh
This script is Deprecated. Instead use stop-dfs.sh and stop-yarn.sh
Stopping namenodes on [Master]
Master: no namenode to stop
localhost: stopping datanode
Stopping secondary namenodes [0.0.0.0]
0.0.0.0: stopping secondarynamenode
stopping yarn daemons
stopping resourcemanager
localhost: stopping nodemanager
no proxyserver to stop

3、初始化namenode，却提示是否重新初始化namenode，于是输入Y。

[email protected]_160_34_centos:/usr/local/hadoop-2.4.0> hadoop namenode -format
DEPRECATED: Use of this script to execute hdfs command is deprecated.
Instead use the hdfs command for it.

14/08/26 20:33:31 INFO namenode.NameNode: STARTUP_MSG:
/************************************************************
STARTUP_MSG: Starting NameNode
STARTUP_MSG:   host = VM_160_34_centos/127.0.0.1
STARTUP_MSG:   args = [-format]
STARTUP_MSG:   version = 2.4.0
STARTUP_MSG:   classpath = /usr/local/hadoop-2.4.0/etc/hadoop:/usr/local/hadoop-2.4.0/share/hadoop/common/lib/jaxb-api-2.2.2.jar:/usr/local/hadoop-2.4.0/share/hadoop/common/lib/httpclient-4.2.5.jar:/usr/local/hadoop-2.4.0/share/hadoop/common/lib/paranamer-2.3.jar:/usr/local/hadoop-2.4.0/share/hadoop/common/lib/jetty-util-6.1.26.jar:/usr/local/hadoop-2.4.0/share/hadoop/common/lib/asm-3.2.jar:/usr/local/hadoop-2.4.0/share/hadoop/common/lib/activation-1.1.jar:/usr/local/hadoop-2.4.0/share/hadoop/common/lib/commons-lang-2.6.jar:/usr/local/hadoop-2.4.0/share/hadoop/common/lib/jackson-mapper-asl-1.8.8.jar:/usr/local/hadoop-2.4.0/share/hadoop/common/lib/jackson-xc-1.8.8.jar:/usr/local/hadoop-2.4.0/share/hadoop/common/lib/jetty-6.1.26.jar:/usr/local/hadoop-2.4.0/share/hadoop/common/lib/commons-net-3.1.jar:/usr/local/hadoop-2.4.0/share/hadoop/common/lib/hadoop-annotations-2.4.0.jar:/usr/local/hadoop-2.4.0/share/hadoop/common/lib/httpcore-4.2.5.jar:/usr/local/hadoop-2.4.0/share/hadoop/common/lib/jets3t-0.9.0.jar:/usr/local/hadoop-2.4.0/share/hadoop/common/lib/commons-math3-3.1.1.jar:/usr/local/hadoop-2.4.0/share/hadoop/common/lib/commons-configuration-1.6.jar:/usr/local/hadoop-2.4.0/share/hadoop/common/lib/java-xmlbuilder-0.4.jar:/usr/local/hadoop-2.4.0/share/hadoop/common/lib/commons-el-1.0.jar:/usr/local/hadoop-2.4.0/share/hadoop/common/lib/jsr305-1.3.9.jar:/usr/local/hadoop-2.4.0/share/hadoop/common/lib/jackson-core-asl-1.8.8.jar:/usr/local/hadoop-2.4.0/share/hadoop/common/lib/commons-beanutils-core-1.8.0.jar:/usr/local/hadoop-2.4.0/share/hadoop/common/lib/jsch-0.1.42.jar:/usr/local/hadoop-2.4.0/share/hadoop/common/lib/servlet-api-2.5.jar:/usr/local/hadoop-2.4.0/share/hadoop/common/lib/commons-digester-1.8.jar:/usr/local/hadoop-2.4.0/share/hadoop/common/lib/guava-11.0.2.jar:/usr/local/hadoop-2.4.0/share/hadoop/common/lib/xz-1.0.jar:/usr/local/hadoop-2.4.0/share/hadoop/common/lib/jasper-compiler-5.5.23.jar:/usr/local/hadoop-2.4.0/share/hadoop/common/lib/jaxb-impl-2.2.3-1.jar:/usr/local/hadoop-2.4.0/share/hadoop/common/lib/netty-3.6.2.Final.jar:/usr/local/hadoop-2.4.0/share/hadoop/common/lib/log4j-1.2.17.jar:/usr/local/hadoop-2.4.0/share/hadoop/common/lib/jackson-jaxrs-1.8.8.jar:/usr/local/hadoop-2.4.0/share/hadoop/common/lib/mockito-all-1.8.5.jar:/usr/local/hadoop-2.4.0/share/hadoop/common/lib/jersey-server-1.9.jar:/usr/local/hadoop-2.4.0/share/hadoop/common/lib/hadoop-auth-2.4.0.jar:/usr/local/hadoop-2.4.0/share/hadoop/common/lib/snappy-java-1.0.4.1.jar:/usr/local/hadoop-2.4.0/share/hadoop/common/lib/commons-collections-3.2.1.jar:/usr/local/hadoop-2.4.0/share/hadoop/common/lib/commons-beanutils-1.7.0.jar:/usr/local/hadoop-2.4.0/share/hadoop/common/lib/xmlenc-0.52.jar:/usr/local/hadoop-2.4.0/share/hadoop/common/lib/slf4j-log4j12-1.7.5.jar:/usr/local/hadoop-2.4.0/share/hadoop/common/lib/slf4j-api-1.7.5.jar:/usr/local/hadoop-2.4.0/share/hadoop/common/lib/jasper-runtime-5.5.23.jar:/usr/local/hadoop-2.4.0/share/hadoop/common/lib/stax-api-1.0-2.jar:/usr/local/hadoop-2.4.0/share/hadoop/common/lib/commons-codec-1.4.jar:/usr/local/hadoop-2.4.0/share/hadoop/common/lib/avro-1.7.4.jar:/usr/local/hadoop-2.4.0/share/hadoop/common/lib/commons-io-2.4.jar:/usr/local/hadoop-2.4.0/share/hadoop/common/lib/junit-4.8.2.jar:/usr/local/hadoop-2.4.0/share/hadoop/common/lib/commons-compress-1.4.1.jar:/usr/local/hadoop-2.4.0/share/hadoop/common/lib/zookeeper-3.4.5.jar:/usr/local/hadoop-2.4.0/share/hadoop/common/lib/jersey-core-1.9.jar:/usr/local/hadoop-2.4.0/share/hadoop/common/lib/commons-httpclient-3.1.jar:/usr/local/hadoop-2.4.0/share/hadoop/common/lib/jsp-api-2.1.jar:/usr/local/hadoop-2.4.0/share/hadoop/common/lib/protobuf-java-2.5.0.jar:/usr/local/hadoop-2.4.0/share/hadoop/common/lib/commons-cli-1.2.jar:/usr/local/hadoop-2.4.0/share/hadoop/common/lib/commons-logging-1.1.3.jar:/usr/local/hadoop-2.4.0/share/hadoop/common/lib/jettison-1.1.jar:/usr/local/hadoop-2.4.0/share/hadoop/common/lib/jersey-json-1.9.jar:/usr/local/hadoop-2.4.0/share/hadoop/common/hadoop-common-2.4.0-tests.jar:/usr/local/hadoop-2.4.0/share/hadoop/common/hadoop-nfs-2.4.0.jar:/usr/local/hadoop-2.4.0/share/hadoop/common/hadoop-common-2.4.0.jar:/usr/local/hadoop-2.4.0/share/hadoop/hdfs:/usr/local/hadoop-2.4.0/share/hadoop/hdfs/lib/jetty-util-6.1.26.jar:/usr/local/hadoop-2.4.0/share/hadoop/hdfs/lib/asm-3.2.jar:/usr/local/hadoop-2.4.0/share/hadoop/hdfs/lib/commons-lang-2.6.jar:/usr/local/hadoop-2.4.0/share/hadoop/hdfs/lib/jackson-mapper-asl-1.8.8.jar:/usr/local/hadoop-2.4.0/share/hadoop/hdfs/lib/jetty-6.1.26.jar:/usr/local/hadoop-2.4.0/share/hadoop/hdfs/lib/commons-el-1.0.jar:/usr/local/hadoop-2.4.0/share/hadoop/hdfs/lib/jsr305-1.3.9.jar:/usr/local/hadoop-2.4.0/share/hadoop/hdfs/lib/jackson-core-asl-1.8.8.jar:/usr/local/hadoop-2.4.0/share/hadoop/hdfs/lib/servlet-api-2.5.jar:/usr/local/hadoop-2.4.0/share/hadoop/hdfs/lib/guava-11.0.2.jar:/usr/local/hadoop-2.4.0/share/hadoop/hdfs/lib/netty-3.6.2.Final.jar:/usr/local/hadoop-2.4.0/share/hadoop/hdfs/lib/log4j-1.2.17.jar:/usr/local/hadoop-2.4.0/share/hadoop/hdfs/lib/jersey-server-1.9.jar:/usr/local/hadoop-2.4.0/share/hadoop/hdfs/lib/commons-daemon-1.0.13.jar:/usr/local/hadoop-2.4.0/share/hadoop/hdfs/lib/xmlenc-0.52.jar:/usr/local/hadoop-2.4.0/share/hadoop/hdfs/lib/jasper-runtime-5.5.23.jar:/usr/local/hadoop-2.4.0/share/hadoop/hdfs/lib/commons-codec-1.4.jar:/usr/local/hadoop-2.4.0/share/hadoop/hdfs/lib/commons-io-2.4.jar:/usr/local/hadoop-2.4.0/share/hadoop/hdfs/lib/jersey-core-1.9.jar:/usr/local/hadoop-2.4.0/share/hadoop/hdfs/lib/jsp-api-2.1.jar:/usr/local/hadoop-2.4.0/share/hadoop/hdfs/lib/protobuf-java-2.5.0.jar:/usr/local/hadoop-2.4.0/share/hadoop/hdfs/lib/commons-cli-1.2.jar:/usr/local/hadoop-2.4.0/share/hadoop/hdfs/lib/commons-logging-1.1.3.jar:/usr/local/hadoop-2.4.0/share/hadoop/hdfs/hadoop-hdfs-2.4.0.jar:/usr/local/hadoop-2.4.0/share/hadoop/hdfs/hadoop-hdfs-2.4.0-tests.jar:/usr/local/hadoop-2.4.0/share/hadoop/hdfs/hadoop-hdfs-nfs-2.4.0.jar:/usr/local/hadoop-2.4.0/share/hadoop/yarn/lib/jaxb-api-2.2.2.jar:/usr/local/hadoop-2.4.0/share/hadoop/yarn/lib/jline-0.9.94.jar:/usr/local/hadoop-2.4.0/share/hadoop/yarn/lib/jetty-util-6.1.26.jar:/usr/local/hadoop-2.4.0/share/hadoop/yarn/lib/leveldbjni-all-1.8.jar:/usr/local/hadoop-2.4.0/share/hadoop/yarn/lib/aopalliance-1.0.jar:/usr/local/hadoop-2.4.0/share/hadoop/yarn/lib/guice-servlet-3.0.jar:/usr/local/hadoop-2.4.0/share/hadoop/yarn/lib/javax.inject-1.jar:/usr/local/hadoop-2.4.0/share/hadoop/yarn/lib/asm-3.2.jar:/usr/local/hadoop-2.4.0/share/hadoop/yarn/lib/activation-1.1.jar:/usr/local/hadoop-2.4.0/share/hadoop/yarn/lib/commons-lang-2.6.jar:/usr/local/hadoop-2.4.0/share/hadoop/yarn/lib/jackson-mapper-asl-1.8.8.jar:/usr/local/hadoop-2.4.0/share/hadoop/yarn/lib/jackson-xc-1.8.8.jar:/usr/local/hadoop-2.4.0/share/hadoop/yarn/lib/jetty-6.1.26.jar:/usr/local/hadoop-2.4.0/share/hadoop/yarn/lib/jersey-client-1.9.jar:/usr/local/hadoop-2.4.0/share/hadoop/yarn/lib/jsr305-1.3.9.jar:/usr/local/hadoop-2.4.0/share/hadoop/yarn/lib/jackson-core-asl-1.8.8.jar:/usr/local/hadoop-2.4.0/share/hadoop/yarn/lib/servlet-api-2.5.jar:/usr/local/hadoop-2.4.0/share/hadoop/yarn/lib/guava-11.0.2.jar:/usr/local/hadoop-2.4.0/share/hadoop/yarn/lib/xz-1.0.jar:/usr/local/hadoop-2.4.0/share/hadoop/yarn/lib/jaxb-impl-2.2.3-1.jar:/usr/local/hadoop-2.4.0/share/hadoop/yarn/lib/log4j-1.2.17.jar:/usr/local/hadoop-2.4.0/share/hadoop/yarn/lib/jackson-jaxrs-1.8.8.jar:/usr/local/hadoop-2.4.0/share/hadoop/yarn/lib/jersey-server-1.9.jar:/usr/local/hadoop-2.4.0/share/hadoop/yarn/lib/guice-3.0.jar:/usr/local/hadoop-2.4.0/share/hadoop/yarn/lib/jersey-guice-1.9.jar:/usr/local/hadoop-2.4.0/share/hadoop/yarn/lib/commons-collections-3.2.1.jar:/usr/local/hadoop-2.4.0/share/hadoop/yarn/lib/stax-api-1.0-2.jar:/usr/local/hadoop-2.4.0/share/hadoop/yarn/lib/commons-codec-1.4.jar:/usr/local/hadoop-2.4.0/share/hadoop/yarn/lib/commons-io-2.4.jar:/usr/local/hadoop-2.4.0/share/hadoop/yarn/lib/commons-compress-1.4.1.jar:/usr/local/hadoop-2.4.0/share/hadoop/yarn/lib/zookeeper-3.4.5.jar:/usr/local/hadoop-2.4.0/share/hadoop/yarn/lib/jersey-core-1.9.jar:/usr/local/hadoop-2.4.0/share/hadoop/yarn/lib/commons-httpclient-3.1.jar:/usr/local/hadoop-2.4.0/share/hadoop/yarn/lib/protobuf-java-2.5.0.jar:/usr/local/hadoop-2.4.0/share/hadoop/yarn/lib/commons-cli-1.2.jar:/usr/local/hadoop-2.4.0/share/hadoop/yarn/lib/commons-logging-1.1.3.jar:/usr/local/hadoop-2.4.0/share/hadoop/yarn/lib/jettison-1.1.jar:/usr/local/hadoop-2.4.0/share/hadoop/yarn/lib/jersey-json-1.9.jar:/usr/local/hadoop-2.4.0/share/hadoop/yarn/hadoop-yarn-common-2.4.0.jar:/usr/local/hadoop-2.4.0/share/hadoop/yarn/hadoop-yarn-server-web-proxy-2.4.0.jar:/usr/local/hadoop-2.4.0/share/hadoop/yarn/hadoop-yarn-server-tests-2.4.0.jar:/usr/local/hadoop-2.4.0/share/hadoop/yarn/hadoop-yarn-server-applicationhistoryservice-2.4.0.jar:/usr/local/hadoop-2.4.0/share/hadoop/yarn/hadoop-yarn-client-2.4.0.jar:/usr/local/hadoop-2.4.0/share/hadoop/yarn/hadoop-yarn-server-nodemanager-2.4.0.jar:/usr/local/hadoop-2.4.0/share/hadoop/yarn/hadoop-yarn-applications-distributedshell-2.4.0.jar:/usr/local/hadoop-2.4.0/share/hadoop/yarn/hadoop-yarn-api-2.4.0.jar:/usr/local/hadoop-2.4.0/share/hadoop/yarn/hadoop-yarn-server-common-2.4.0.jar:/usr/local/hadoop-2.4.0/share/hadoop/yarn/hadoop-yarn-applications-unmanaged-am-launcher-2.4.0.jar:/usr/local/hadoop-2.4.0/share/hadoop/yarn/hadoop-yarn-server-resourcemanager-2.4.0.jar:/usr/local/hadoop-2.4.0/share/hadoop/mapreduce/lib/paranamer-2.3.jar:/usr/local/hadoop-2.4.0/share/hadoop/mapreduce/lib/aopalliance-1.0.jar:/usr/local/hadoop-2.4.0/share/hadoop/mapreduce/lib/guice-servlet-3.0.jar:/usr/local/hadoop-2.4.0/share/hadoop/mapreduce/lib/javax.inject-1.jar:/usr/local/hadoop-2.4.0/share/hadoop/mapreduce/lib/asm-3.2.jar:/usr/local/hadoop-2.4.0/share/hadoop/mapreduce/lib/jackson-mapper-asl-1.8.8.jar:/usr/local/hadoop-2.4.0/share/hadoop/mapreduce/lib/hadoop-annotations-2.4.0.jar:/usr/local/hadoop-2.4.0/share/hadoop/mapreduce/lib/jackson-core-asl-1.8.8.jar:/usr/local/hadoop-2.4.0/share/hadoop/mapreduce/lib/junit-4.10.jar:/usr/local/hadoop-2.4.0/share/hadoop/mapreduce/lib/xz-1.0.jar:/usr/local/hadoop-2.4.0/share/hadoop/mapreduce/lib/netty-3.6.2.Final.jar:/usr/local/hadoop-2.4.0/share/hadoop/mapreduce/lib/log4j-1.2.17.jar:/usr/local/hadoop-2.4.0/share/hadoop/mapreduce/lib/jersey-server-1.9.jar:/usr/local/hadoop-2.4.0/share/hadoop/mapreduce/lib/snappy-java-1.0.4.1.jar:/usr/local/hadoop-2.4.0/share/hadoop/mapreduce/lib/guice-3.0.jar:/usr/local/hadoop-2.4.0/share/hadoop/mapreduce/lib/jersey-guice-1.9.jar:/usr/local/hadoop-2.4.0/share/hadoop/mapreduce/lib/avro-1.7.4.jar:/usr/local/hadoop-2.4.0/share/hadoop/mapreduce/lib/commons-io-2.4.jar:/usr/local/hadoop-2.4.0/share/hadoop/mapreduce/lib/commons-compress-1.4.1.jar:/usr/local/hadoop-2.4.0/share/hadoop/mapreduce/lib/jersey-core-1.9.jar:/usr/local/hadoop-2.4.0/share/hadoop/mapreduce/lib/protobuf-java-2.5.0.jar:/usr/local/hadoop-2.4.0/share/hadoop/mapreduce/lib/hamcrest-core-1.1.jar:/usr/local/hadoop-2.4.0/share/hadoop/mapreduce/hadoop-mapreduce-client-shuffle-2.4.0.jar:/usr/local/hadoop-2.4.0/share/hadoop/mapreduce/hadoop-mapreduce-examples-2.4.0.jar:/usr/local/hadoop-2.4.0/share/hadoop/mapreduce/hadoop-mapreduce-client-core-2.4.0.jar:/usr/local/hadoop-2.4.0/share/hadoop/mapreduce/hadoop-mapreduce-client-jobclient-2.4.0.jar:/usr/local/hadoop-2.4.0/share/hadoop/mapreduce/hadoop-mapreduce-client-hs-plugins-2.4.0.jar:/usr/local/hadoop-2.4.0/share/hadoop/mapreduce/hadoop-mapreduce-client-common-2.4.0.jar:/usr/local/hadoop-2.4.0/share/hadoop/mapreduce/hadoop-mapreduce-client-app-2.4.0.jar:/usr/local/hadoop-2.4.0/share/hadoop/mapreduce/hadoop-mapreduce-client-hs-2.4.0.jar:/usr/local/hadoop-2.4.0/share/hadoop/mapreduce/hadoop-mapreduce-client-jobclient-2.4.0-tests.jar:/usr/local/hadoop-2.4.0/contrib/capacity-scheduler/*.jar:/usr/local/hadoop-2.4.0/contrib/capacity-scheduler/*.jar
STARTUP_MSG:   build = Unknown -r 1619957; compiled by ‘root‘ on 2014-08-23T12:02Z
STARTUP_MSG:   java = 1.7.0_55
************************************************************/
14/08/26 20:33:31 INFO namenode.NameNode: registered UNIX signal handlers for [TERM, HUP, INT]
14/08/26 20:33:31 INFO namenode.NameNode: createNameNode [-format]
Formatting using clusterid: CID-d0c32680-a068-4e60-9ab8-35da315668f7
14/08/26 20:33:32 INFO namenode.FSNamesystem: fsLock is fair:true
14/08/26 20:33:32 INFO namenode.HostFileManager: read includes:
HostSet(
)
14/08/26 20:33:32 INFO namenode.HostFileManager: read excludes:
HostSet(
)
14/08/26 20:33:32 INFO blockmanagement.DatanodeManager: dfs.block.invalidate.limit=1000
14/08/26 20:33:32 INFO blockmanagement.DatanodeManager: dfs.namenode.datanode.registration.ip-hostname-check=true
14/08/26 20:33:32 INFO util.GSet: Computing capacity for map BlocksMap
14/08/26 20:33:32 INFO util.GSet: VM type       = 64-bit
14/08/26 20:33:32 INFO util.GSet: 2.0% max memory 889 MB = 17.8 MB
14/08/26 20:33:32 INFO util.GSet: capacity      = 2^21 = 2097152 entries
14/08/26 20:33:32 INFO blockmanagement.BlockManager: dfs.block.access.token.enable=false
14/08/26 20:33:32 INFO blockmanagement.BlockManager: defaultReplication         = 2
14/08/26 20:33:32 INFO blockmanagement.BlockManager: maxReplication             = 512
14/08/26 20:33:32 INFO blockmanagement.BlockManager: minReplication             = 1
14/08/26 20:33:32 INFO blockmanagement.BlockManager: maxReplicationStreams      = 2
14/08/26 20:33:32 INFO blockmanagement.BlockManager: shouldCheckForEnoughRacks  = false
14/08/26 20:33:32 INFO blockmanagement.BlockManager: replicationRecheckInterval = 3000
14/08/26 20:33:32 INFO blockmanagement.BlockManager: encryptDataTransfer        = false
14/08/26 20:33:32 INFO blockmanagement.BlockManager: maxNumBlocksToLog          = 1000
14/08/26 20:33:32 INFO namenode.FSNamesystem: fsOwner             = hadoop (auth:SIMPLE)
14/08/26 20:33:32 INFO namenode.FSNamesystem: supergroup          = supergroup
14/08/26 20:33:32 INFO namenode.FSNamesystem: isPermissionEnabled = false
14/08/26 20:33:32 INFO namenode.FSNamesystem: HA Enabled: false
14/08/26 20:33:32 INFO namenode.FSNamesystem: Append Enabled: true
14/08/26 20:33:32 INFO util.GSet: Computing capacity for map INodeMap
14/08/26 20:33:32 INFO util.GSet: VM type       = 64-bit
14/08/26 20:33:32 INFO util.GSet: 1.0% max memory 889 MB = 8.9 MB
14/08/26 20:33:32 INFO util.GSet: capacity      = 2^20 = 1048576 entries
14/08/26 20:33:32 INFO namenode.NameNode: Caching file names occuring more than 10 times
14/08/26 20:33:32 INFO util.GSet: Computing capacity for map cachedBlocks
14/08/26 20:33:32 INFO util.GSet: VM type       = 64-bit
14/08/26 20:33:32 INFO util.GSet: 0.25% max memory 889 MB = 2.2 MB
14/08/26 20:33:32 INFO util.GSet: capacity      = 2^18 = 262144 entries
14/08/26 20:33:32 INFO namenode.FSNamesystem: dfs.namenode.safemode.threshold-pct = 0.9990000128746033
14/08/26 20:33:32 INFO namenode.FSNamesystem: dfs.namenode.safemode.min.datanodes = 0
14/08/26 20:33:32 INFO namenode.FSNamesystem: dfs.namenode.safemode.extension     = 30000
14/08/26 20:33:32 INFO namenode.FSNamesystem: Retry cache on namenode is enabled
14/08/26 20:33:32 INFO namenode.FSNamesystem: Retry cache will use 0.03 of total heap and retry cache entry expiry time is 600000 millis
14/08/26 20:33:32 INFO util.GSet: Computing capacity for map NameNodeRetryCache
14/08/26 20:33:32 INFO util.GSet: VM type       = 64-bit
14/08/26 20:33:32 INFO util.GSet: 0.029999999329447746% max memory 889 MB = 273.1 KB
14/08/26 20:33:32 INFO util.GSet: capacity      = 2^15 = 32768 entries
14/08/26 20:33:32 INFO namenode.AclConfigFlag: ACLs enabled? false
14/08/26 20:33:32 INFO namenode.FSImage: Allocated new BlockPoolId: BP-380223626-127.0.0.1-1409056412869
14/08/26 20:33:33 INFO common.Storage: Storage directory /usr/local/hadoop-2.4.0/dfs/name has been successfully formatted.
14/08/26 20:33:33 INFO namenode.NNStorageRetentionManager: Going to retain 1 images with txid >= 0
14/08/26 20:33:33 INFO util.ExitUtil: Exiting with status 0
14/08/26 20:33:33 INFO namenode.NameNode: SHUTDOWN_MSG:
/************************************************************
SHUTDOWN_MSG: Shutting down NameNode at VM_160_34_centos/127.0.0.1
************************************************************/
[email protected]_160_34_centos:/usr/local/hadoop-2.4.0> jps
18369 Jps
[email protected]_160_34_centos:/usr/local/hadoop-2.4.0> sbin/start-all.sh
This script is Deprecated. Instead use start-dfs.sh and start-yarn.sh
Starting namenodes on [Master]
Master: starting namenode, logging to /usr/local/hadoop-2.4.0/logs/hadoop-hadoop-namenode-VM_160_34_centos.out
localhost: starting datanode, logging to /usr/local/hadoop-2.4.0/logs/hadoop-hadoop-datanode-VM_160_34_centos.out
Starting secondary namenodes [0.0.0.0]
0.0.0.0: starting secondarynamenode, logging to /usr/local/hadoop-2.4.0/logs/hadoop-hadoop-secondarynamenode-VM_160_34_centos.out
starting yarn daemons
starting resourcemanager, logging to /usr/local/hadoop-2.4.0/logs/yarn-hadoop-resourcemanager-VM_160_34_centos.out
localhost: starting nodemanager, logging to /usr/local/hadoop-2.4.0/logs/yarn-hadoop-nodemanager-VM_160_34_centos.out

重启hadoop:

[email protected]_160_34_centos:/usr/local/hadoop-2.4.0> sbin/start-all.sh
This script is Deprecated. Instead use start-dfs.sh and start-yarn.sh
Starting namenodes on [Master]
Master: starting namenode, logging to /usr/local/hadoop-2.4.0/logs/hadoop-hadoop-namenode-VM_160_34_centos.out
localhost: starting datanode, logging to /usr/local/hadoop-2.4.0/logs/hadoop-hadoop-datanode-VM_160_34_centos.out
Starting secondary namenodes [0.0.0.0]
0.0.0.0: starting secondarynamenode, logging to /usr/local/hadoop-2.4.0/logs/hadoop-hadoop-secondarynamenode-VM_160_34_centos.out
starting yarn daemons
starting resourcemanager, logging to /usr/local/hadoop-2.4.0/logs/yarn-hadoop-resourcemanager-VM_160_34_centos.out
localhost: starting nodemanager, logging to /usr/local/hadoop-2.4.0/logs/yarn-hadoop-nodemanager-VM_160_34_centos.out

输入jps 查看

[email protected]_160_34_centos:/usr/local/hadoop-2.4.0> jps
19518 Jps
19216 NodeManager
19121 ResourceManager
18491 NameNode
18609 DataNode
18974 SecondaryNameNode

已解决!

时间： 2024-10-18 02:02:44

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