I'm seeing this too. HRS are hung indefinitely waiting for blocks
for hlog. All DFS datanodes are live and other DFS clients can do
operations on the FS, though sometimes there are transient errors.
This is one reason for HBASE-1084.
- Andy
> > 2008-12-17 13:56:20,235 INFO org.apache.hadoop.hdfs.DFSClient:
> > org.apache.hadoop.ipc.RemoteException: java.io.IOException: File
> >
> > /hbase/log_10.49.21.176_1229549686892_60020/hlog.dat.1229550980090
> > could only be replicated to 0 nodes, instead of 1 at
> > org.apache.hadoop.hdfs.server.namenode.FSNamesystem.getAdditionalBlock(FSNamesystem.java:1270)
>
> > at
> >
> org.apache.hadoop.hdfs.server.namenode.NameNode.addBlock(NameNode.java:351)
>
> > (...)
> >