[Bug 1504756] Re: java.io.IOException: Cannot create directory /mnt/hdfs/namenode/current

Chuck Short chuck.short at canonical.com
Mon Oct 17 17:07:22 UTC 2016 

** Also affects: sahara
   Importance: Undecided
       Status: New

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https://bugs.launchpad.net/bugs/1504756

Title:
  java.io.IOException: Cannot create directory
  /mnt/hdfs/namenode/current

Status in Sahara:
  New
Status in sahara package in Ubuntu:
  Confirmed

Bug description:
  2015-10-10 19:00:03.579 4609 INFO sahara.utils.general [-] Cluster status has been changed: id=d4348bd1-ac0b-4603-9c5c-8f7b6c3b715e, New status=Starting
  2015-10-10 19:00:07.502 4609 ERROR sahara.service.ops [-] Error during operating on cluster romi26c02 (reason: RemoteCommandException: Error during command execution: "sudo su - -c "hdfs namenode -format" hadoop"
  Return code: 1
  STDERR:
  15/10/10 11:00:06 INFO namenode.NameNode: STARTUP_MSG:
  /************************************************************
  STARTUP_MSG: Starting NameNode
  STARTUP_MSG:   host = romi26c02-namenode-v2-001.novalocal/192.168.1.237
  STARTUP_MSG:   args = [-format]
  STARTUP_MSG:   version = 2.6.0
  STARTUP_MSG:   classpath = /opt/hadoop-2.6.0/etc/hadoop:/opt/hadoop/share/hadoop/common/lib/commons-math3-3.1.1.jar:/opt/hadoop/share/hadoop/common/lib/slf4j-api-1.7.5.jar:/opt/hadoop/share/hadoop/common/lib/curator-recipes-2.6.0.jar:/opt/hadoop/share/hadoop/common/lib/activation-1.1.jar:/opt/hadoop/share/hadoop/common/lib/xmlenc-0.52.jar:/opt/hadoop/share/hadoop/common/lib/avro-1.7.4.jar:/opt/hadoop/share/hadoop/common/lib/mockito-all-1.8.5.jar:/opt/hadoop/share/hadoop/common/lib/jetty-6.1.26.jar:/opt/hadoop/share/hadoop/common/lib/xz-1.0.jar:/opt/hadoop/share/hadoop/common/lib/hadoop-openstack-2.6.0.jar:/opt/hadoop/share/hadoop/common/lib/jets3t-0.9.0.jar:/opt/hadoop/share/hadoop/common/lib/junit-4.11.jar:/opt/hadoop/share/hadoop/common/lib/commons-digester-1.8.jar:/opt/hadoop/share/hadoop/common/lib/apacheds-kerberos-codec-2.0.0-M15.jar:/opt/hadoop/share/hadoop/common/lib/jasper-compiler-5.5.23.jar:/opt/hadoop/share/hadoop/common/lib/jackson-mapper-asl-1.9.13.jar:/opt/hadoop/share/hadoop/common/lib/jackson-core-asl-1.9.13.jar:/opt/hadoop/share/hadoop/common/lib/commons-beanutils-1.7.0.jar:/opt/hadoop/share/hadoop/common/lib/hadoop-annotations-2.6.0.jar:/opt/hadoop/share/hadoop/common/lib/jersey-json-1.9.jar:/opt/hadoop/share/hadoop/common/lib/jsp-api-2.1.jar:/opt/hadoop/share/hadoop/common/lib/commons-io-2.4.jar:/opt/hadoop/share/hadoop/common/lib/commons-el-1.0.jar:/opt/hadoop/share/hadoop/common/lib/jackson-jaxrs-1.9.13.jar:/opt/hadoop/share/hadoop/common/lib/paranamer-2.3.jar:/opt/hadoop/share/hadoop/common/lib/java-xmlbuilder-0.4.jar:/opt/hadoop/share/hadoop/common/lib/jackson-xc-1.9.13.jar:/opt/hadoop/share/hadoop/common/lib/jaxb-api-2.2.2.jar:/opt/hadoop/share/hadoop/common/lib/commons-beanutils-core-1.8.0.jar:/opt/hadoop/share/hadoop/common/lib/commons-codec-1.4.jar:/opt/hadoop/share/hadoop/common/lib/guava-11.0.2.jar:/opt/hadoop/share/hadoop/common/lib/log4j-1.2.17.jar:/opt/hadoop/share/hadoop/common/lib/apacheds-i18n-2.0.0-M15.jar:/opt/hadoop/share/hadoop/common/lib/zookeeper-3.4.6.jar:/opt/hadoop/share/hadoop/common/lib/jersey-server-1.9.jar:/opt/hadoop/share/hadoop/common/lib/commons-compress-1.4.1.jar:/opt/hadoop/share/hadoop/common/lib/hadoop-auth-2.6.0.jar:/opt/hadoop/share/hadoop/common/lib/jsr305-1.3.9.jar:/opt/hadoop/share/hadoop/common/lib/curator-framework-2.6.0.jar:/opt/hadoop/share/hadoop/common/lib/commons-cli-1.2.jar:/opt/hadoop/share/hadoop/common/lib/protobuf-java-2.5.0.jar:/opt/hadoop/share/hadoop/common/lib/gson-2.2.4.jar:/opt/hadoop/share/hadoop/common/lib/htrace-core-3.0.4.jar:/opt/hadoop/share/hadoop/common/lib/asm-3.2.jar:/opt/hadoop/share/hadoop/common/lib/commons-net-3.1.jar:/opt/hadoop/share/hadoop/common/lib/jetty-util-6.1.26.jar:/opt/hadoop/share/hadoop/common/lib/stax-api-1.0-2.jar:/opt/hadoop/share/hadoop/common/lib/commons-configuration-1.6.jar:/opt/hadoop/share/hadoop/common/lib/slf4j-log4j12-1.7.5.jar:/opt/hadoop/share/hadoop/common/lib/commons-logging-1.1.3.jar:/opt/hadoop/share/hadoop/common/lib/api-asn1-api-1.0.0-M20.jar:/opt/hadoop/share/hadoop/common/lib/snappy-java-1.0.4.1.jar:/opt/hadoop/share/hadoop/common/lib/jsch-0.1.42.jar:/opt/hadoop/share/hadoop/common/lib/jettison-1.1.jar:/opt/hadoop/share/hadoop/common/lib/hamcrest-core-1.3.jar:/opt/hadoop/share/hadoop/common/lib/jersey-core-1.9.jar:/opt/hadoop/share/hadoop/common/lib/commons-lang-2.6.jar:/opt/hadoop/share/hadoop/common/lib/servlet-api-2.5.jar:/opt/hadoop/share/hadoop/common/lib/netty-3.6.2.Final.jar:/opt/hadoop/share/hadoop/common/lib/commons-collections-3.2.1.jar:/opt/hadoop/share/hadoop/common/lib/commons-httpclient-3.1.jar:/opt/hadoop/share/hadoop/common/lib/jaxb-impl-2.2.3-1.jar:/opt/hadoop/share/hadoop/common/lib/httpcore-4.2.5.jar:/opt/hadoop/share/hadoop/common/lib/api-util-1.0.0-M20.jar:/opt/hadoop/share/hadoop/common/lib/curator-client-2.6.0.jar:/opt/hadoop/share/hadoop/common/lib/jasper-runtime-5.5.23.jar:/opt/hadoop/share/hadoop/common/lib/httpclient-4.2.5.jar:/opt/hadoop/share/hadoop/common/hadoop-common-2.6.0.jar:/opt/hadoop/share/hadoop/common/hadoop-nfs-2.6.0.jar:/opt/hadoop/share/hadoop/common/hadoop-common-2.6.0-tests.jar:/opt/hadoop/share/hadoop/hdfs:/opt/hadoop/share/hadoop/hdfs/lib/xml-apis-1.3.04.jar:/opt/hadoop/share/hadoop/hdfs/lib/xmlenc-0.52.jar:/opt/hadoop/share/hadoop/hdfs/lib/jetty-6.1.26.jar:/opt/hadoop/share/hadoop/hdfs/lib/jackson-mapper-asl-1.9.13.jar:/opt/hadoop/share/hadoop/hdfs/lib/jackson-core-asl-1.9.13.jar:/opt/hadoop/share/hadoop/hdfs/lib/commons-daemon-1.0.13.jar:/opt/hadoop/share/hadoop/hdfs/lib/jsp-api-2.1.jar:/opt/hadoop/share/hadoop/hdfs/lib/commons-io-2.4.jar:/opt/hadoop/share/hadoop/hdfs/lib/commons-el-1.0.jar:/opt/hadoop/share/hadoop/hdfs/lib/commons-codec-1.4.jar:/opt/hadoop/share/hadoop/hdfs/lib/guava-11.0.2.jar:/opt/hadoop/share/hadoop/hdfs/lib/log4j-1.2.17.jar:/opt/hadoop/share/hadoop/hdfs/lib/jersey-server-1.9.jar:/opt/hadoop/share/hadoop/hdfs/lib/jsr305-1.3.9.jar:/opt/hadoop/share/hadoop/hdfs/lib/commons-cli-1.2.jar:/opt/hadoop/share/hadoop/hdfs/lib/protobuf-java-2.5.0.jar:/opt/hadoop/share/hadoop/hdfs/lib/htrace-core-3.0.4.jar:/opt/hadoop/share/hadoop/hdfs/lib/asm-3.2.jar:/opt/hadoop/share/hadoop/hdfs/lib/jetty-util-6.1.26.jar:/opt/hadoop/share/hadoop/hdfs/lib/commons-logging-1.1.3.jar:/opt/hadoop/share/hadoop/hdfs/lib/jersey-core-1.9.jar:/opt/hadoop/share/hadoop/hdfs/lib/commons-lang-2.6.jar:/opt/hadoop/share/hadoop/hdfs/lib/servlet-api-2.5.jar:/opt/hadoop/share/hadoop/hdfs/lib/netty-3.6.2.Final.jar:/opt/hadoop/share/hadoop/hdfs/lib/xercesImpl-2.9.1.jar:/opt/hadoop/share/hadoop/hdfs/lib/jasper-runtime-5.5.23.jar:/opt/hadoop/share/hadoop/hdfs/hadoop-hdfs-2.6.0-tests.jar:/opt/hadoop/share/hadoop/hdfs/hadoop-hdfs-2.6.0.jar:/opt/hadoop/share/hadoop/hdfs/hadoop-hdfs-nfs-2.6.0.jar:/opt/hadoop/share/hadoop/yarn/lib/activation-1.1.jar:/opt/hadoop/share/hadoop/yarn/lib/jline-0.9.94.jar:/opt/hadoop/share/hadoop/yarn/lib/jetty-6.1.26.jar:/opt/hadoop/share/hadoop/yarn/lib/xz-1.0.jar:/opt/hadoop/share/hadoop/yarn/lib/jackson-mapper-asl-1.9.13.jar:/opt/hadoop/share/hadoop/yarn/lib/jersey-client-1.9.jar:/opt/hadoop/share/hadoop/yarn/lib/guice-3.0.jar:/opt/hadoop/share/hadoop/yarn/lib/jackson-core-asl-1.9.13.jar:/opt/hadoop/share/hadoop/yarn/lib/jersey-json-1.9.jar:/opt/hadoop/share/hadoop/yarn/lib/commons-io-2.4.jar:/opt/hadoop/share/hadoop/yarn/lib/jackson-jaxrs-1.9.13.jar:/opt/hadoop/share/hadoop/yarn/lib/jersey-guice-1.9.jar:/opt/hadoop/share/hadoop/yarn/lib/jackson-xc-1.9.13.jar:/opt/hadoop/share/hadoop/yarn/lib/javax.inject-1.jar:/opt/hadoop/share/hadoop/yarn/lib/jaxb-api-2.2.2.jar:/opt/hadoop/share/hadoop/yarn/lib/commons-codec-1.4.jar:/opt/hadoop/share/hadoop/yarn/lib/guava-11.0.2.jar:/opt/hadoop/share/hadoop/yarn/lib/log4j-1.2.17.jar:/opt/hadoop/share/hadoop/yarn/lib/zookeeper-3.4.6.jar:/opt/hadoop/share/hadoop/yarn/lib/guice-servlet-3.0.jar:/opt/hadoop/share/hadoop/yarn/lib/jersey-server-1.9.jar:/opt/hadoop/share/hadoop/yarn/lib/commons-compress-1.4.1.jar:/opt/hadoop/share/hadoop/yarn/lib/jsr305-1.3.9.jar:/opt/hadoop/share/hadoop/yarn/lib/commons-cli-1.2.jar:/opt/hadoop/share/hadoop/yarn/lib/protobuf-java-2.5.0.jar:/opt/hadoop/share/hadoop/yarn/lib/asm-3.2.jar:/opt/hadoop/share/hadoop/yarn/lib/jetty-util-6.1.26.jar:/opt/hadoop/share/hadoop/yarn/lib/leveldbjni-all-1.8.jar:/opt/hadoop/share/hadoop/yarn/lib/stax-api-1.0-2.jar:/opt/hadoop/share/hadoop/yarn/lib/commons-logging-1.1.3.jar:/opt/hadoop/share/hadoop/yarn/lib/jettison-1.1.jar:/opt/hadoop/share/hadoop/yarn/lib/jersey-core-1.9.jar:/opt/hadoop/share/hadoop/yarn/lib/commons-lang-2.6.jar:/opt/hadoop/share/hadoop/yarn/lib/servlet-api-2.5.jar:/opt/hadoop/share/hadoop/yarn/lib/netty-3.6.2.Final.jar:/opt/hadoop/share/hadoop/yarn/lib/commons-collections-3.2.1.jar:/opt/hadoop/share/hadoop/yarn/lib/commons-httpclient-3.1.jar:/opt/hadoop/share/hadoop/yarn/lib/jaxb-impl-2.2.3-1.jar:/opt/hadoop/share/hadoop/yarn/lib/aopalliance-1.0.jar:/opt/hadoop/share/hadoop/yarn/hadoop-yarn-common-2.6.0.jar:/opt/hadoop/share/hadoop/yarn/hadoop-yarn-server-web-proxy-2.6.0.jar:/opt/hadoop/share/hadoop/yarn/hadoop-yarn-registry-2.6.0.jar:/opt/hadoop/share/hadoop/yarn/hadoop-yarn-applications-distributedshell-2.6.0.jar:/opt/hadoop/share/hadoop/yarn/hadoop-yarn-server-applicationhistoryservice-2.6.0.jar:/opt/hadoop/share/hadoop/yarn/hadoop-yarn-server-resourcemanager-2.6.0.jar:/opt/hadoop/share/hadoop/yarn/hadoop-yarn-client-2.6.0.jar:/opt/hadoop/share/hadoop/yarn/hadoop-yarn-server-tests-2.6.0.jar:/opt/hadoop/share/hadoop/yarn/hadoop-yarn-api-2.6.0.jar:/opt/hadoop/share/hadoop/yarn/hadoop-yarn-server-nodemanager-2.6.0.jar:/opt/hadoop/share/hadoop/yarn/hadoop-yarn-applications-unmanaged-am-launcher-2.6.0.jar:/opt/hadoop/share/hadoop/yarn/hadoop-yarn-server-common-2.6.0.jar:/opt/hadoop/share/hadoop/mapreduce/lib/avro-1.7.4.jar:/opt/hadoop/share/hadoop/mapreduce/lib/xz-1.0.jar:/opt/hadoop/share/hadoop/mapreduce/lib/junit-4.11.jar:/opt/hadoop/share/hadoop/mapreduce/lib/jackson-mapper-asl-1.9.13.jar:/opt/hadoop/share/hadoop/mapreduce/lib/guice-3.0.jar:/opt/hadoop/share/hadoop/mapreduce/lib/jackson-core-asl-1.9.13.jar:/opt/hadoop/share/hadoop/mapreduce/lib/hadoop-annotations-2.6.0.jar:/opt/hadoop/share/hadoop/mapreduce/lib/commons-io-2.4.jar:/opt/hadoop/share/hadoop/mapreduce/lib/jersey-guice-1.9.jar:/opt/hadoop/share/hadoop/mapreduce/lib/paranamer-2.3.jar:/opt/hadoop/share/hadoop/mapreduce/lib/javax.inject-1.jar:/opt/hadoop/share/hadoop/mapreduce/lib/log4j-1.2.17.jar:/opt/hadoop/share/hadoop/mapreduce/lib/guice-servlet-3.0.jar:/opt/hadoop/share/hadoop/mapreduce/lib/jersey-server-1.9.jar:/opt/hadoop/share/hadoop/mapreduce/lib/commons-compress-1.4.1.jar:/opt/hadoop/share/hadoop/mapreduce/lib/protobuf-java-2.5.0.jar:/opt/hadoop/share/hadoop/mapreduce/lib/asm-3.2.jar:/opt/hadoop/share/hadoop/mapreduce/lib/leveldbjni-all-1.8.jar:/opt/hadoop/share/hadoop/mapreduce/lib/snappy-java-1.0.4.1.jar:/opt/hadoop/share/hadoop/mapreduce/lib/hamcrest-core-1.3.jar:/opt/hadoop/share/hadoop/mapreduce/lib/jersey-core-1.9.jar:/opt/hadoop/share/hadoop/mapreduce/lib/netty-3.6.2.Final.jar:/opt/hadoop/share/hadoop/mapreduce/lib/aopalliance-1.0.jar:/opt/hadoop/share/hadoop/mapreduce/hadoop-mapreduce-client-core-2.6.0.jar:/opt/hadoop/share/hadoop/mapreduce/hadoop-mapreduce-examples-2.6.0.jar:/opt/hadoop/share/hadoop/mapreduce/hadoop-mapreduce-client-app-2.6.0.jar:/opt/hadoop/share/hadoop/mapreduce/hadoop-mapreduce-client-jobclient-2.6.0-tests.jar:/opt/hadoop/share/hadoop/mapreduce/hadoop-mapreduce-client-hs-2.6.0.jar:/opt/hadoop/share/hadoop/mapreduce/hadoop-mapreduce-client-jobclient-2.6.0.jar:/opt/hadoop/share/hadoop/mapreduce/hadoop-mapreduce-client-common-2.6.0.jar:/opt/hadoop/share/hadoop/mapreduce/hadoop-mapreduce-client-hs-plugins-2.6.0.jar:/opt/hadoop/share/hadoop/mapreduce/hadoop-mapreduce-client-shuffle-2.6.0.jar:/contrib/capacity-scheduler/*.jar
  STARTUP_MSG:   build = https://git-wip-us.apache.org/repos/asf/hadoop.git -r e3496499ecb8d220fba99dc5ed4c99c8f9e33bb1; compiled by 'jenkins' on 2014-11-13T21:10Z
  STARTUP_MSG:   java = 1.7.0_75
  ************************************************************/
  15/10/10 11:00:06 INFO namenode.NameNode: registered UNIX signal handlers for [TERM, HUP, INT]
  15/10/10 11:00:06 INFO namenode.NameNode: createNameNode [-format]
  15/10/10 11:00:07 WARN common.Util: Path /mnt/hdfs/namenode should be specified as a URI in configuration files. Please update hdfs configuration.
  15/10/10 11:00:07 WARN common.Util: Path /mnt/hdfs/namenode should be specified as a URI in configuration files. Please update hdfs configuration.
  15/10/10 11:00:07 INFO namenode.FSNamesystem: No KeyProvider found.
  15/10/10 11:00:07 INFO namenode.FSNamesystem: fsLock is fair:true
  15/10/10 11:00:07 INFO blockmanagement.DatanodeManager: dfs.block.invalidate.limit=1000
  15/10/10 11:00:07 INFO blockmanagement.DatanodeManager: dfs.namenode.datanode.registration.ip-hostname-check=true
  15/10/10 11:00:08 INFO blockmanagement.BlockManager: dfs.namenode.startup.delay.block.deletion.sec is set to 000:00:00:00.000
  15/10/10 11:00:08 INFO blockmanagement.BlockManager: The block deletion will start around 2015 Oct 10 11:00:08
  15/10/10 11:00:08 INFO util.GSet: Computing capacity for map BlocksMap
  15/10/10 11:00:08 INFO util.GSet: VM type       = 64-bit
  15/10/10 11:00:08 INFO util.GSet: 2.0% max memory 910.5 MB = 18.2 MB
  15/10/10 11:00:08 INFO util.GSet: capacity      = 2^21 = 2097152 entries
  15/10/10 11:00:08 INFO blockmanagement.BlockManager: dfs.block.access.token.enable=false
  15/10/10 11:00:08 INFO blockmanagement.BlockManager: defaultReplication         = 3
  15/10/10 11:00:08 INFO blockmanagement.BlockManager: maxReplication             = 512
  15/10/10 11:00:08 INFO blockmanagement.BlockManager: minReplication             = 1
  15/10/10 11:00:08 INFO blockmanagement.BlockManager: maxReplicationStreams      = 2
  15/10/10 11:00:08 INFO blockmanagement.BlockManager: shouldCheckForEnoughRacks  = false
  15/10/10 11:00:08 INFO blockmanagement.BlockManager: replicationRecheckInterval = 3000
  15/10/10 11:00:08 INFO blockmanagement.BlockManager: encryptDataTransfer        = false
  15/10/10 11:00:08 INFO blockmanagement.BlockManager: maxNumBlocksToLog          = 1000
  15/10/10 11:00:08 INFO namenode.FSNamesystem: fsOwner             = hadoop (auth:SIMPLE)
  15/10/10 11:00:08 INFO namenode.FSNamesystem: supergroup          = supergroup
  15/10/10 11:00:08 INFO namenode.FSNamesystem: isPermissionEnabled = true
  15/10/10 11:00:08 INFO namenode.FSNamesystem: HA Enabled: false
  15/10/10 11:00:08 INFO namenode.FSNamesystem: Append Enabled: true
  15/10/10 11:00:08 INFO util.GSet: Computing capacity for map INodeMap
  15/10/10 11:00:08 INFO util.GSet: VM type       = 64-bit
  15/10/10 11:00:08 INFO util.GSet: 1.0% max memory 910.5 MB = 9.1 MB
  15/10/10 11:00:08 INFO util.GSet: capacity      = 2^20 = 1048576 entries
  15/10/10 11:00:08 INFO namenode.NameNode: Caching file names occuring more than 10 times
  15/10/10 11:00:08 INFO util.GSet: Computing capacity for map cachedBlocks
  15/10/10 11:00:08 INFO util.GSet: VM type       = 64-bit
  15/10/10 11:00:08 INFO util.GSet: 0.25% max memory 910.5 MB = 2.3 MB
  15/10/10 11:00:08 INFO util.GSet: capacity      = 2^18 = 262144 entries
  15/10/10 11:00:08 INFO namenode.FSNamesystem: dfs.namenode.safemode.threshold-pct = 0.9990000128746033
  15/10/10 11:00:08 INFO namenode.FSNamesystem: dfs.namenode.safemode.min.datanodes = 0
  15/10/10 11:00:08 INFO namenode.FSNamesystem: dfs.namenode.safemode.extension     = 30000
  15/10/10 11:00:08 INFO namenode.FSNamesystem: Retry cache on namenode is enabled
  15/10/10 11:00:08 INFO namenode.FSNamesystem: Retry cache will use 0.03 of total heap and retry cache entry expiry time is 600000 millis
  15/10/10 11:00:08 INFO util.GSet: Computing capacity for map NameNodeRetryCache
  15/10/10 11:00:08 INFO util.GSet: VM type       = 64-bit
  15/10/10 11:00:08 INFO util.GSet: 0.029999999329447746% max memory 910.5 MB = 279.7 KB
  15/10/10 11:00:08 INFO util.GSet: capacity      = 2^15 = 32768 entries
  15/10/10 11:00:08 INFO namenode.NNConf: ACLs enabled? false
  15/10/10 11:00:08 INFO namenode.NNConf: XAttrs enabled? true
  15/10/10 11:00:08 INFO namenode.NNConf: Maximum size of an xattr: 16384
  15/10/10 11:00:08 INFO namenode.FSImage: Allocated new BlockPoolId: BP-1180844816-192.168.1.237-1444474808335
  15/10/10 11:00:08 WARN namenode.NameNode: Encountered exception during format:
  java.io.IOException: Cannot create directory /mnt/hdfs/namenode/current
          at org.apache.hadoop.hdfs.server.common.Storage$StorageDirectory.clearDirectory(Storage.java:337)
          at org.apache.hadoop.hdfs.server.namenode.NNStorage.format(NNStorage.java:548)
          at org.apache.hadoop.hdfs.server.namenode.NNStorage.format(NNStorage.java:569)
          at org.apache.hadoop.hdfs.server.namenode.FSImage.format(FSImage.java:148)
          at org.apache.hadoop.hdfs.server.namenode.NameNode.format(NameNode.java:941)
          at org.apache.hadoop.hdfs.server.namenode.NameNode.createNameNode(NameNode.java:1379)
          at org.apache.hadoop.hdfs.server.namenode.NameNode.main(NameNode.java:1504)
  15/10/10 11:00:08 FATAL namenode.NameNode: Failed to start namenode.
  java.io.IOException: Cannot create directory /mnt/hdfs/namenode/current
          at org.apache.hadoop.hdfs.server.common.Storage$StorageDirectory.clearDirectory(Storage.java:337)
          at org.apache.hadoop.hdfs.server.namenode.NNStorage.format(NNStorage.java:548)
          at org.apache.hadoop.hdfs.server.namenode.NNStorage.format(NNStorage.java:569)
          at org.apache.hadoop.hdfs.server.namenode.FSImage.format(FSImage.java:148)
          at org.apache.hadoop.hdfs.server.namenode.NameNode.format(NameNode.java:941)
          at org.apache.hadoop.hdfs.server.namenode.NameNode.createNameNode(NameNode.java:1379)
          at org.apache.hadoop.hdfs.server.namenode.NameNode.main(NameNode.java:1504)
  15/10/10 11:00:08 INFO util.ExitUtil: Exiting with status 1
  15/10/10 11:00:08 INFO namenode.NameNode: SHUTDOWN_MSG:
  /************************************************************
  SHUTDOWN_MSG: Shutting down NameNode at romi26c02-namenode-v2-001.novalocal/192.168.1.237
  ************************************************************/

  STDOUT:
  Formatting using clusterid: CID-83fa4268-2fbb-4ac2-a0e8-8928992e1dbb

  Error ID: 3836e060-4b8c-4f4d-9f11-db214fb98b63)
  2015-10-10 19:00:07.919 4609 INFO sahara.utils.general [-] Cluster status has been changed: id=d4348bd1-ac0b-4603-9c5c-8f7b6c3b715e, New status=Error

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