dfs startup error, 0 datanodes in
----------------------------------
Key: HADOOP-4912
URL: https://issues.apache.org/jira/browse/HADOOP-4912
Project: Hadoop Core
Issue Type: Bug
Components: dfs
Affects Versions: 0.17.2
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.webapplicationhand...@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.ser...@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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