FAQ
Hi,

I am using hypertable on Cloudera Hadoop cdh3.

I accidentally executed
sudo -u hdfs hadoop namenode -format

Then datanode failed to start due to namespaceID id in namenode and
datanode didn't match. I fixed that by manually changing those.


#Mon Jun 03 19:00:37 EDT 2013
namespaceID=2098902017
storageID=DS-971380851-10.195.241.242-50010-1369424059347
cTime=0
storageType=DATA_NODE
layoutVersion=-19



#Tue Jun 04 02:28:50 EDT 2013
namespaceID=277954195
cTime=0
storageType=NAME_NODE
layoutVersion=-19


But I am still getting this error when try to start hypertable master. What
is wrong here?


sudo -u hdfs hadoop fs -ls /hyperspace
Found 1 items
drwxr-xr-x - hdfs supergroup 0 2013-06-04 02:52 /hyperspace/dfs



1370329705 ERROR Hypertable.Master : main
(/root/src/hypertable/src/cc/Hypertable/Master/main.cc:369):
Hypertable::Exception: Error mkdirs DFS directory
/hypertable/servers/master/log/mml - DFS BROKER i/o error
         at virtual void Hypertable::DfsBroker::Client::mkdirs(const
Hypertable::String&)
(/root/src/hypertable/src/cc/DfsBroker/Lib/Client.cc:517)
         at virtual void Hypertable::DfsBroker::Client::mkdirs(const
Hypertable::String&)
(/root/src/hypertable/src/cc/DfsBroker/Lib/Client.cc:514):
org.apache.hadoop.security.AccessControlException:
org.apache.hadoop.security.AccessControlException: Permission denied:
user=root, access=WRITE, inod

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postedJun 4, '13 at 7:10a
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