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Posted to hdfs-dev@hadoop.apache.org by "Ravi Phulari (JIRA)" <ji...@apache.org> on 2009/09/26 00:34:16 UTC

[jira] Resolved: (HDFS-100) dfs startup error, 0 datanodes in

     [ https://issues.apache.org/jira/browse/HDFS-100?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Ravi Phulari resolved HDFS-100.
-------------------------------

    Resolution: Invalid

This is more of hadoop format and cluster set up issue, not a bug.
Please post problems related to startup or usage on user mailing list.

> dfs startup error, 0 datanodes in 
> ----------------------------------
>
>                 Key: HDFS-100
>                 URL: https://issues.apache.org/jira/browse/HDFS-100
>             Project: Hadoop HDFS
>          Issue Type: Bug
>         Environment: hadoop-site.xml setting: 
> fs.default.name hdfs://master.cloud:9000 
> mapred.job.tracker hdfs://master.cloud:9001 
> hadoop.tmp.dir /home/user/hadoop/tmp/ 
> mapred.chile.java.opts Xmls512M 
>            Reporter: Focus
>
>  Web site shows:
> NameNode 'master.cloud:9000'
> Started:  Thu Dec 18 17:10:35 CST 2008  
> Version:  0.17.2.1, r684969  
> Compiled:  Wed Aug 20 22:29:32 UTC 2008 by oom  
> Upgrades:  There are no upgrades in progress.  
> Browse the filesystem 
> --------------------------------------------------------------------------------
> Cluster Summary
> Safe mode is ON. The ratio of reported blocks 0.0000 has not reached the threshold 0.9990. Safe mode will be turned off automatically.
> 21 files and directories, 6 blocks = 27 total. Heap Size is 4.94 MB / 992.31 MB (0%) 
> Capacity : 0 KB 
> DFS Remaining : 0 KB 
> DFS Used : 0 KB 
> DFS Used% : 0 % 
> Live Nodes  : 0 
> Dead Nodes  : 0 
> --------------------------------------------------------------------------------
> There are no datanodes in the cluster 
> On blog of namenode, it shows:
> 2008-12-18 17:10:35,204 INFO org.apache.hadoop.dfs.NameNode: STARTUP_MSG: 
> /************************************************************
> STARTUP_MSG: Starting NameNode
> STARTUP_MSG:   host = master.cloud/10.100.4.226
> STARTUP_MSG:   args = []
> STARTUP_MSG:   version = 0.17.2.1
> STARTUP_MSG:   build = https://svn.apache.org/repos/asf/hadoop/core/branches/branch-0.17 -r 684969; compiled by 'oom' on Wed Aug 20 22:29:32 UTC 2008
> ************************************************************/
> 2008-12-18 17:10:35,337 INFO org.apache.hadoop.ipc.metrics.RpcMetrics: Initializing RPC Metrics with hostName=NameNode, port=9000
> 2008-12-18 17:10:35,344 INFO org.apache.hadoop.dfs.NameNode: Namenode up at: master.cloud/10.100.4.226:9000
> 2008-12-18 17:10:35,348 INFO org.apache.hadoop.metrics.jvm.JvmMetrics: Initializing JVM Metrics with processName=NameNode, sessionId=null
> 2008-12-18 17:10:35,351 INFO org.apache.hadoop.dfs.NameNodeMetrics: Initializing NameNodeMeterics using context object:org.apache.hadoop.metrics.spi.NullContext
> 2008-12-18 17:10:35,436 INFO org.apache.hadoop.fs.FSNamesystem: fsOwner=user,users,ftp,sshd
> 2008-12-18 17:10:35,437 INFO org.apache.hadoop.fs.FSNamesystem: supergroup=supergroup
> 2008-12-18 17:10:35,437 INFO org.apache.hadoop.fs.FSNamesystem: isPermissionEnabled=true
> 2008-12-18 17:10:35,576 INFO org.apache.hadoop.fs.FSNamesystem: Finished loading FSImage in 181 msecs
> 2008-12-18 17:10:35,585 INFO org.apache.hadoop.dfs.StateChange: STATE* Safe mode ON. 
> The ratio of reported blocks 0.0000 has not reached the threshold 0.9990. Safe mode will be turned off automatically.
> 2008-12-18 17:10:35,595 INFO org.apache.hadoop.fs.FSNamesystem: Registered FSNamesystemStatusMBean
> 2008-12-18 17:10:35,727 INFO org.mortbay.util.Credential: Checking Resource aliases
> 2008-12-18 17:10:35,870 INFO org.mortbay.http.HttpServer: Version Jetty/5.1.4
> 2008-12-18 17:10:35,871 INFO org.mortbay.util.Container: Started HttpContext[/static,/static]
> 2008-12-18 17:10:35,871 INFO org.mortbay.util.Container: Started HttpContext[/logs,/logs]
> 2008-12-18 17:10:36,260 INFO org.mortbay.util.Container: Started org.mortbay.jetty.servlet.WebApplicationHandler@b60b93
> 2008-12-18 17:10:36,307 INFO org.mortbay.util.Container: Started WebApplicationContext[/,/]
> 2008-12-18 17:10:36,309 INFO org.mortbay.http.SocketListener: Started SocketListener on 0.0.0.0:50070
> 2008-12-18 17:10:36,310 INFO org.mortbay.util.Container: Started org.mortbay.jetty.Server@1bd7848
> 2008-12-18 17:10:36,310 INFO org.apache.hadoop.fs.FSNamesystem: Web-server up at: 0.0.0.0:50070
> 2008-12-18 17:10:36,310 INFO org.apache.hadoop.ipc.Server: IPC Server Responder: starting
> 2008-12-18 17:10:36,312 INFO org.apache.hadoop.ipc.Server: IPC Server listener on 9000: starting
> 2008-12-18 17:10:36,316 INFO org.apache.hadoop.ipc.Server: IPC Server handler 0 on 9000: starting
> 2008-12-18 17:10:36,317 INFO org.apache.hadoop.ipc.Server: IPC Server handler 2 on 9000: starting
> 2008-12-18 17:10:36,317 INFO org.apache.hadoop.ipc.Server: IPC Server handler 3 on 9000: starting
> 2008-12-18 17:10:36,320 INFO org.apache.hadoop.ipc.Server: IPC Server handler 4 on 9000: starting
> 2008-12-18 17:10:36,321 INFO org.apache.hadoop.ipc.Server: IPC Server handler 5 on 9000: starting
> 2008-12-18 17:10:36,321 INFO org.apache.hadoop.ipc.Server: IPC Server handler 6 on 9000: starting
> 2008-12-18 17:10:36,321 INFO org.apache.hadoop.ipc.Server: IPC Server handler 7 on 9000: starting
> 2008-12-18 17:10:36,321 INFO org.apache.hadoop.ipc.Server: IPC Server handler 1 on 9000: starting
> 2008-12-18 17:10:36,322 INFO org.apache.hadoop.ipc.Server: IPC Server handler 8 on 9000: starting
> 2008-12-18 17:10:36,374 INFO org.apache.hadoop.ipc.Server: IPC Server handler 9 on 9000: starting
> and in the slaves blog, i find a strange thing. 
> ************************************************************/
> 2008-12-18 17:11:47,627 INFO org.apache.hadoop.dfs.DataNode: STARTUP_MSG:
> /************************************************************
> STARTUP_MSG: Starting DataNode
> STARTUP_MSG:   host = slave3.cloud/127.0.0.1
> STARTUP_MSG:   args = []
> STARTUP_MSG:   version = 0.17.2.1
> STARTUP_MSG:   build = https://svn.apache.org/repos/asf/hadoop/core/branches/branch-0.17 -r 684969; compiled by 'oom' on Wed Aug 20 22:29:32 UTC 2008
> ************************************************************/
> 2008-12-18 17:11:48,267 ERROR org.apache.hadoop.dfs.DataNode: java.io.IOException: Incompatible namespaceIDs in /home/user/hadoop/tmp/dfs/data: namenode namespaceID = 1098832880; datanode namespaceID = 464592288
>         at org.apache.hadoop.dfs.DataStorage.doTransition(DataStorage.java:298)
>         at org.apache.hadoop.dfs.DataStorage.recoverTransitionRead(DataStorage.java:142)
>         at org.apache.hadoop.dfs.DataNode.startDataNode(DataNode.java:258)
>         at org.apache.hadoop.dfs.DataNode.<init>(DataNode.java:176)
>         at org.apache.hadoop.dfs.DataNode.makeInstance(DataNode.java:2795)
>         at org.apache.hadoop.dfs.DataNode.instantiateDataNode(DataNode.java:2750)
>         at org.apache.hadoop.dfs.DataNode.createDataNode(DataNode.java:2758)
>         at org.apache.hadoop.dfs.DataNode.main(DataNode.java:2880)
> 2008-12-18 17:11:48,269 INFO org.apache.hadoop.dfs.DataNode: SHUTDOWN_MSG:
> /************************************************************
> SHUTDOWN_MSG: Shutting down DataNode at slave3.cloud/127.0.0.1
> ************************************************************/

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