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Cluster crash
Hi,
While doing load testing on HBase the entire cluster crashed with
errors like these in hbase logs:

2011-04-10 10:14:30,844 WARN org.apache.hadoop.hdfs.DFSClient: Error
Recovery for block blk_1213779416283711358_54194 bad datanode[0]
10.1.104.1:50010
2011-04-10 10:14:30,844 WARN org.apache.hadoop.hdfs.DFSClient: Error
Recovery for block blk_1213779416283711358_54194 in pipeline
10.1.104.1:50010, 10.1.104.5:50010, 10.1.104.2:50010: bad datanode
10.1.104.1:50010
2011-04-10 10:14:30,880 WARN org.apache.hadoop.hdfs.DFSClient: Failed
recovery attempt #2 from primary datanode 10.1.104.2:50010
org.apache.hadoop.ipc.RemoteException:
org.apache.hadoop.ipc.RemoteException: java.io.IOException: Block
(=blk_1213779416283711358_54194) not found
        at org.apache.hadoop.hdfs.server.namenode.FSNamesystem.commitBlockSynchronization(FSNamesystem.java:2099)
        at org.apache.hadoop.hdfs.server.namenode.NameNode.commitBlockSynchronization(NameNode.java:703)
        at sun.reflect.GeneratedMethodAccessor25.invoke(Unknown Source)
        at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
        at java.lang.reflect.Method.invoke(Method.java:597)
        at org.apache.hadoop.ipc.RPC$Server.call(RPC.java:557)
        at org.apache.hadoop.ipc.Server$Handler$1.run(Server.java:1416)
        at org.apache.hadoop.ipc.Server$Handler$1.run(Server.java:1412)
        at java.security.AccessController.doPrivileged(Native Method)
        at javax.security.auth.Subject.doAs(Subject.java:396)
        at org.apache.hadoop.security.UserGroupInformation.doAs(UserGroupInformation.java:1115)
        at org.apache.hadoop.ipc.Server$Handler.run(Server.java:1410)

        at org.apache.hadoop.ipc.Client.call(Client.java:1104)
        at org.apache.hadoop.ipc.RPC$Invoker.invoke(RPC.java:226)
        at $Proxy4.commitBlockSynchronization(Unknown Source)
        at org.apache.hadoop.hdfs.server.datanode.DataNode.syncBlock(DataNode.java:1847)
        at org.apache.hadoop.hdfs.server.datanode.DataNode.recoverBlock(DataNode.java:1828)
        at org.apache.hadoop.hdfs.server.datanode.DataNode.recoverBlock(DataNode.java:1924)
        at sun.reflect.GeneratedMethodAccessor6.invoke(Unknown Source)
        at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
        at java.lang.reflect.Method.invoke(Method.java:597)
        at org.apache.hadoop.ipc.RPC$Server.call(RPC.java:557)
        at org.apache.hadoop.ipc.Server$Handler$1.run(Server.java:1416)
        at org.apache.hadoop.ipc.Server$Handler$1.run(Server.java:1412)
        at java.security.AccessController.doPrivileged(Native Method)
        at javax.security.auth.Subject.doAs(Subject.java:396)
        at org.apache.hadoop.security.UserGroupInformation.doAs(UserGroupInformation.java:1115)
        at org.apache.hadoop.ipc.Server$Handler.run(Server.java:1410)

        at org.apache.hadoop.ipc.Client.call(Client.java:1104)
        at org.apache.hadoop.ipc.RPC$Invoker.invoke(RPC.java:226)
        at $Proxy8.recoverBlock(Unknown Source)
        at org.apache.hadoop.hdfs.DFSClient$DFSOutputStream.processDatanodeError(DFSClient.java:2785)
        at org.apache.hadoop.hdfs.DFSClient$DFSOutputStream.access$1600(DFSClient.java:2289)
        at org.apache.hadoop.hdfs.DFSClient$DFSOutputStream$DataStreamer.run(DFSClient.java:2461)
2011-04-10 10:14:30,880 WARN org.apache.hadoop.hdfs.DFSClient: Error
Recovery for block blk_1213779416283711358_54194 failed  because
recovery from primary datanode 10.1.104.2:50010 failed 3 times.
Pipeline was 10.1.104.1:50010, 10.1.104.5:50010, 10.1.104.2:50010.
Will retry...
2011-04-10 10:14:31,882 WARN org.apache.hadoop.hdfs.DFSClient: Error
Recovery for block blk_1213779416283711358_54194 bad datanode[0]
10.1.104.1:50010
2011-04-10 10:14:31,882 WARN org.apache.hadoop.hdfs.DFSClient: Error
Recovery for block blk_1213779416283711358_54194 in pipeline
10.1.104.1:50010, 10.1.104.5:50010, 10.1.104.2:50010: bad datanode
10.1.104.1:50010
2011-04-10 10:14:31,905 WARN org.apache.hadoop.hdfs.DFSClient: Failed
recovery attempt #3 from primary datanode 10.1.104.2:50010
org.apache.hadoop.ipc.RemoteException:
org.apache.hadoop.ipc.RemoteException: java.io.IOException: Block
(=blk_1213779416283711358_54194) not found
        at org.apache.hadoop.hdfs.server.namenode.FSNamesystem.commitBlockSynchronization(FSNamesystem.java:2099)
        at org.apache.hadoop.hdfs.server.namenode.NameNode.commitBlockSynchronization(NameNode.java:703)
        at sun.reflect.GeneratedMethodAccessor25.invoke(Unknown Source)
        at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
        at java.lang.reflect.Method.invoke(Method.java:597)
        at org.apache.hadoop.ipc.RPC$Server.call(RPC.java:557)
        at org.apache.hadoop.ipc.Server$Handler$1.run(Server.java:1416)
        at org.apache.hadoop.ipc.Server$Handler$1.run(Server.java:1412)
        at java.security.AccessController.doPrivileged(Native Method)
        at javax.security.auth.Subject.doAs(Subject.java:396)
        at org.apache.hadoop.security.UserGroupInformation.doAs(UserGroupInformation.java:1115)
        at org.apache.hadoop.ipc.Server$Handler.run(Server.java:1410)

        at org.apache.hadoop.ipc.Client.call(Client.java:1104)
        at org.apache.hadoop.ipc.RPC$Invoker.invoke(RPC.java:226)
        at $Proxy4.commitBlockSynchronization(Unknown Source)
        at org.apache.hadoop.hdfs.server.datanode.DataNode.syncBlock(DataNode.java:1847)
        at org.apache.hadoop.hdfs.server.datanode.DataNode.recoverBlock(DataNode.java:1828)
        at org.apache.hadoop.hdfs.server.datanode.DataNode.recoverBlock(DataNode.java:1924)
        at sun.reflect.GeneratedMethodAccessor6.invoke(Unknown Source)
        at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
        at java.lang.reflect.Method.invoke(Method.java:597)
        at org.apache.hadoop.ipc.RPC$Server.call(RPC.java:557)