Alexandre Fouché created HDFS-4442:
--------------------------------------
Summary: Initialization failed for block (...) Invalid volume
failure config value: 1
Key: HDFS-4442
URL: https://issues.apache.org/jira/browse/HDFS-4442
Project: Hadoop HDFS
Issue Type: Bug
Components: datanode
Environment: Amazon Linux (Centos 6), Cloudera nightly RPMs
Reporter: Alexandre Fouché
(Note: Some of the message are similar to HDFS-4201)
Just after i created a new HDFS cluster, and this time using Cloudera nightly
RPM hadoop-hdfs-datanode-2.0.0+898-1.cdh4.2.0.p0.939.el6.x86_64, HDFS datanodes
were unable to initialize or store anything. It stays alive, but keeps logging
exceptions every few seconds.
It was "Initialization failed for block pool Block pool (...)"
"org.apache.hadoop.util.DiskChecker$DiskErrorException: Invalid volume failure
config value: 1" and then repeatedly "Exception in BPOfferService for Block
pool (...)"
My config was :
<property>
<name>dfs.datanode.data.dir</name>
<value>file:///opt/hadoop/dn1/data</value>
</property>
After a bit of tweaking, it worked once i added a second EBS volume to the
node. Yet it does not explain the initial error. A bug ?
<property>
<name>dfs.datanode.data.dir</name>
<value>file:///opt/hadoop/dn1/data,file:///opt/hadoop/dn2/data</value>
</property>
Original exceptions:
(...)
2013-01-25 15:04:28,573 INFO org.apache.hadoop.hdfs.server.common.Storage:
Formatting block pool BP-1342054845-10.118.50.25-1359125000145 directory
/opt/hadoop/dn1/data/current/BP-1342054845-10.118.50.25-1359125000145/current
2013-01-25 15:04:28,581 INFO org.apache.hadoop.hdfs.server.datanode.DataNode:
Setting up storage:
nsid=1786416716;bpid=BP-1342054845-10.118.50.25-1359125000145;lv=-40;nsInfo=lv=-40;cid=CID-3c2cfe5f-da56-4115-90db-81e06c14bc50;nsid=1786416716;c=0;bpid=BP-1342054845-10.118.50.25-1359125000145
2013-01-25 15:04:28,601 INFO org.apache.hadoop.hdfs.server.datanode.DataNode:
Block pool BP-1342054845-10.118.50.25-1359125000145 (storage id
DS-404982471-10.194.189.193-50010-1359126268221) service to
namenode2.somedomain.com/10.2.118.169:8020 beginning handshake with NN
2013-01-25 15:04:28,605 FATAL org.apache.hadoop.hdfs.server.datanode.DataNode:
Initialization failed for block pool Block pool
BP-1342054845-10.118.50.25-1359125000145 (storage id
DS-404982471-10.194.189.193-50010-1359126268221) service to
namenode1.somedomain.com/10.118.50.25:8020
org.apache.hadoop.util.DiskChecker$DiskErrorException: Invalid volume failure
config value: 1
at
org.apache.hadoop.hdfs.server.datanode.fsdataset.impl.FsDatasetImpl.<init>(FsDatasetImpl.java:182)
at
org.apache.hadoop.hdfs.server.datanode.fsdataset.impl.FsDatasetFactory.newInstance(FsDatasetFactory.java:34)
at
org.apache.hadoop.hdfs.server.datanode.fsdataset.impl.FsDatasetFactory.newInstance(FsDatasetFactory.java:30)
at
org.apache.hadoop.hdfs.server.datanode.DataNode.initStorage(DataNode.java:910)
at
org.apache.hadoop.hdfs.server.datanode.DataNode.initBlockPool(DataNode.java:872)
at
org.apache.hadoop.hdfs.server.datanode.BPOfferService.verifyAndSetNamespaceInfo(BPOfferService.java:308)
at
org.apache.hadoop.hdfs.server.datanode.BPServiceActor.connectToNNAndHandshake(BPServiceActor.java:218)
at
org.apache.hadoop.hdfs.server.datanode.BPServiceActor.run(BPServiceActor.java:660)
at java.lang.Thread.run(Unknown Source)
2013-01-25 15:04:28,702 INFO org.apache.hadoop.hdfs.server.datanode.DataNode:
Block pool Block pool BP-1342054845-10.118.50.25-1359125000145 (storage id
DS-404982471-10.194.189.193-50010-1359126268221) service to
namenode2.somedomain.com/10.2.118.169:8020 successfully registered with NN
2013-01-25 15:04:28,863 INFO org.apache.hadoop.hdfs.server.datanode.DataNode:
For namenode namenode2.somedomain.com/10.2.118.169:8020 using
DELETEREPORT_INTERVAL of 300000 msec BLOCKREPORT_INTERVAL of 21600000msec
Initial delay: 0msec; heartBeatInterval=3000
2013-01-25 15:04:28,864 ERROR org.apache.hadoop.hdfs.server.datanode.DataNode:
Exception in BPOfferService for Block pool
BP-1342054845-10.118.50.25-1359125000145 (storage id
DS-404982471-10.194.189.193-50010-1359126268221) service to
namenode2.somedomain.com/10.2.118.169:8020
java.lang.NullPointerException
at
org.apache.hadoop.hdfs.server.datanode.BPServiceActor.sendHeartBeat(BPServiceActor.java:435)
at
org.apache.hadoop.hdfs.server.datanode.BPServiceActor.offerService(BPServiceActor.java:521)
at
org.apache.hadoop.hdfs.server.datanode.BPServiceActor.run(BPServiceActor.java:673)
at java.lang.Thread.run(Unknown Source)
2013-01-25 15:04:28,864 WARN org.apache.hadoop.hdfs.server.datanode.DataNode:
Ending block pool service for: Block pool
BP-1342054845-10.118.50.25-1359125000145 (storage id
DS-404982471-10.194.189.193-50010-1359126268221) service to
namenode1.somedomain.com/10.118.50.25:8020
2013-01-25 15:04:33,864 INFO org.apache.hadoop.hdfs.server.datanode.DataNode:
For namenode namenode2.somedomain.com/10.2.118.169:8020 using
DELETEREPORT_INTERVAL of 300000 msec BLOCKREPORT_INTERVAL of 21600000msec
Initial delay: 0msec; heartBeatInterval=3000
2013-01-25 15:04:33,864 ERROR org.apache.hadoop.hdfs.server.datanode.DataNode:
Exception in BPOfferService for Block pool
BP-1342054845-10.118.50.25-1359125000145 (storage id
DS-404982471-10.194.189.193-50010-1359126268221) service to
namenode2.somedomain.com/10.2.118.169:8020
java.lang.NullPointerException
at
org.apache.hadoop.hdfs.server.datanode.BPServiceActor.sendHeartBeat(BPServiceActor.java:435)
at
org.apache.hadoop.hdfs.server.datanode.BPServiceActor.offerService(BPServiceActor.java:521)
at
org.apache.hadoop.hdfs.server.datanode.BPServiceActor.run(BPServiceActor.java:673)
at java.lang.Thread.run(Unknown Source)
(...)
After adding the second volume (and deleted the first one too):
(...)
2013-01-25 17:29:18,394 INFO org.apache.hadoop.hdfs.server.common.Storage: Lock
on /opt/hadoop/dn1/data/in_use.lock acquired by nodename
[email protected]
2013-01-25 17:29:18,396 INFO org.apache.hadoop.hdfs.server.common.Storage:
Storage directory /opt/hadoop/dn1/data is not formatted
2013-01-25 17:29:18,396 INFO org.apache.hadoop.hdfs.server.common.Storage:
Formatting ...
2013-01-25 17:29:18,646 INFO org.apache.hadoop.hdfs.server.common.Storage: Lock
on /opt/hadoop/dn2/data/in_use.lock acquired by nodename
[email protected]
2013-01-25 17:29:18,646 INFO org.apache.hadoop.hdfs.server.common.Storage:
Storage directory /opt/hadoop/dn2/data is not formatted
2013-01-25 17:29:18,646 INFO org.apache.hadoop.hdfs.server.common.Storage:
Formatting ...
2013-01-25 17:29:19,509 INFO org.apache.hadoop.hdfs.server.common.Storage:
Locking is disabled
2013-01-25 17:29:19,510 INFO org.apache.hadoop.hdfs.server.common.Storage:
Storage directory
/opt/hadoop/dn1/data/current/BP-1342054845-10.118.50.25-1359125000145 is not
formatted.
2013-01-25 17:29:19,510 INFO org.apache.hadoop.hdfs.server.common.Storage:
Formatting ...
2013-01-25 17:29:19,510 INFO org.apache.hadoop.hdfs.server.common.Storage:
Formatting block pool BP-1342054845-10.118.50.25-1359125000145 directory
/opt/hadoop/dn1/data/current/BP-1342054845-10.118.50.25-1359125000145/current
2013-01-25 17:29:19,519 INFO org.apache.hadoop.hdfs.server.common.Storage:
Locking is disabled
2013-01-25 17:29:19,519 INFO org.apache.hadoop.hdfs.server.common.Storage:
Storage directory
/opt/hadoop/dn2/data/current/BP-1342054845-10.118.50.25-1359125000145 is not
formatted.
2013-01-25 17:29:19,519 INFO org.apache.hadoop.hdfs.server.common.Storage:
Formatting ...
2013-01-25 17:29:19,519 INFO org.apache.hadoop.hdfs.server.common.Storage:
Formatting block pool BP-1342054845-10.118.50.25-1359125000145 directory
/opt/hadoop/dn2/data/current/BP-1342054845-10.118.50.25-1359125000145/current
2013-01-25 17:29:19,527 INFO org.apache.hadoop.hdfs.server.datanode.DataNode:
Setting up storage:
nsid=1786416716;bpid=BP-1342054845-10.118.50.25-1359125000145;lv=-40;nsInfo=lv=-40;cid=CID-3c2cfe5f-da56-4115-90db-81e06c14bc50;nsid=1786416716;c=0;bpid=BP-1342054845-10.118.50.25-1359125000145
2013-01-25 17:29:19,548 INFO
org.apache.hadoop.hdfs.server.datanode.fsdataset.impl.FsDatasetImpl: Added
volume - /opt/hadoop/dn1/data/current
2013-01-25 17:29:19,640 INFO
org.apache.hadoop.hdfs.server.datanode.fsdataset.impl.FsDatasetImpl: Added
volume - /opt/hadoop/dn2/data/current
2013-01-25 17:29:19,645 INFO
org.apache.hadoop.hdfs.server.datanode.fsdataset.impl.FsDatasetImpl: Registered
FSDatasetState MBean
2013-01-25 17:29:19,655 INFO
org.apache.hadoop.hdfs.server.datanode.DirectoryScanner: Periodic Directory
Tree Verification scan starting at 1359139242655 with interval 21600000
2013-01-25 17:29:19,656 INFO
org.apache.hadoop.hdfs.server.datanode.fsdataset.impl.FsDatasetImpl: Adding
block pool BP-1342054845-10.118.50.25-1359125000145
2013-01-25 17:29:19,674 INFO org.apache.hadoop.hdfs.server.datanode.DataNode:
Block pool BP-1342054845-10.118.50.25-1359125000145 (storage id
DS-26684760-10.194.189.193-50010-1359134958661) service to
namenode1.somedomain.com/10.118.50.25:8020 beginning handshake with NN
2013-01-25 17:29:19,678 INFO org.apache.hadoop.hdfs.server.datanode.DataNode:
Block pool BP-1342054845-10.118.50.25-1359125000145 (storage id
DS-26684760-10.194.189.193-50010-1359134958661) service to
namenode2.somedomain.com/10.2.118.169:8020 beginning handshake with NN
2013-01-25 17:29:19,688 INFO org.apache.hadoop.hdfs.server.datanode.DataNode:
Block pool Block pool BP-1342054845-10.118.50.25-1359125000145 (storage id
DS-26684760-10.194.189.193-50010-1359134958661) service to
namenode1.somedomain.com/10.118.50.25:8020 successfully registered with NN
2013-01-25 17:29:19,690 INFO org.apache.hadoop.hdfs.server.datanode.DataNode:
For namenode namenode1.somedomain.com/10.118.50.25:8020 using
DELETEREPORT_INTERVAL of 300000 msec BLOCKREPORT_INTERVAL of 21600000msec
Initial delay: 0msec; heartBeatInterval=3000
2013-01-25 17:29:19,791 INFO org.apache.hadoop.hdfs.server.datanode.DataNode:
Block pool Block pool BP-1342054845-10.118.50.25-1359125000145 (storage id
DS-26684760-10.194.189.193-50010-1359134958661) service to
namenode2.somedomain.com/10.2.118.169:8020 successfully registered with NN
2013-01-25 17:29:19,791 INFO org.apache.hadoop.hdfs.server.datanode.DataNode:
For namenode namenode2.somedomain.com/10.2.118.169:8020 using
DELETEREPORT_INTERVAL of 300000 msec BLOCKREPORT_INTERVAL of 21600000msec
Initial delay: 0msec; heartBeatInterval=3000
2013-01-25 17:29:19,888 INFO org.apache.hadoop.hdfs.server.datanode.DataNode:
Namenode Block pool BP-1342054845-10.118.50.25-1359125000145 (storage id
DS-26684760-10.194.189.193-50010-1359134958661) service to
namenode1.somedomain.com/10.118.50.25:8020 trying to claim ACTIVE state with
txid=165
2013-01-25 17:29:19,888 INFO org.apache.hadoop.hdfs.server.datanode.DataNode:
Acknowledging ACTIVE Namenode Block pool
BP-1342054845-10.118.50.25-1359125000145 (storage id
DS-26684760-10.194.189.193-50010-1359134958661) service to
namenode1.somedomain.com/10.118.50.25:8020
2013-01-25 17:29:19,932 INFO org.apache.hadoop.hdfs.server.datanode.DataNode:
BlockReport of 0 blocks took 0 msec to generate and 39 msecs for RPC and NN
processing
2013-01-25 17:29:19,932 INFO org.apache.hadoop.hdfs.server.datanode.DataNode:
sent block report, processed command:null
2013-01-25 17:29:19,935 INFO
org.apache.hadoop.hdfs.server.datanode.BlockPoolSliceScanner: Periodic Block
Verification Scanner initialized with interval 504 hours for block pool
BP-1342054845-10.118.50.25-1359125000145
2013-01-25 17:29:19,939 INFO org.apache.hadoop.hdfs.server.datanode.DataNode:
BlockReport of 0 blocks took 1 msec to generate and 50 msecs for RPC and NN
processing
2013-01-25 17:29:19,939 INFO org.apache.hadoop.hdfs.server.datanode.DataNode:
sent block report, processed
command:org.apache.hadoop.hdfs.server.protocol.FinalizeCommand@11082823
2013-01-25 17:29:20,033 INFO
org.apache.hadoop.hdfs.server.datanode.DataBlockScanner: Added
bpid=BP-1342054845-10.118.50.25-1359125000145 to blockPoolScannerMap, new size=1
(...)
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