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Subject: Re: Problem - Bringing up the HBase cluster
From: Stack <stack@duboce.net>
To: Jothikumar Ekanath <kbmkumar@gmail.com>
Cc: user@hbase.apache.org
Content-Type: text/plain; charset=ISO-8859-1

On Wed, Aug 22, 2012 at 10:41 AM, Jothikumar Ekanath <kbmkumar@gmail.com> wrote:
> Hi Stack,
>
> Ok, i will cleanup everything and start from fresh. This time i will add one
> more data node
>
> so 1 hbase master and 2 regions. Zookeeper managed by hbase is started in
> region1. This is my configuration, i will start everything from the scratch
> and will see. If i get the same error, i will send the logs for review
>
> <configuration>
>
>  <property>
>      <name>hbase.rootdir</name>
>      <value>hdfs://hadoop-namenode:9000/hbase</value>
>      <description>The directory shared by RegionServers. </description>
>  </property>

For sure, hdfs is up?  You can put and get files into it?

>  <property>
>       <name>hbase.master</name>
>       <value>hbase-master:60000</value>
>       <description>The host and port that the HBase master runs
> at.</description>
>  </property>

What is hbase-master and hbase-namenode?  Are they supposed to be the
same machine?  DNS says they are?


>  <property>
>      <name>hbase.cluster.distributed</name>
>      <value>true</value>
>       <description>The mode the cluster will be in. Possible values are
> false: standalone and pseudo-distributed setups with managed Zookeeper true:
> fully-distributed with unmanaged Zookeeper Quorum (see hbase-env.sh)
> </description>
>  </property>
>   <property>
>       <name>hbase.zookeeper.quorum</name>
>       <value>hbase-region1</value>
>


Where is hbase-region1?  Not same as hbase-master and hbase-namenode?


> <!--<value>hadoop-namenode,sv2lxixpdevdn01,sv2lxixpdevdn02,sv2lxixpdevdn03,sv2lxixpdevdn04</value>-->
>   </property>
>   <property>
>       <name>hbase.zookeeper.property.dataDir</name>
>       <value>/apps/zookeeper</value>
>       <description>Property from ZooKeeper's config zoo.cfg. The directory
> where the snapshot is stored.</description>
>   </property>
> </configuration>
>

This is writable?

St.Ack

>
> Thanks
> Jothikumar
>
>
> On Wed, Aug 22, 2012 at 8:59 AM, Stack <stack@duboce.net> wrote:
>>
>> On Wed, Aug 22, 2012 at 8:43 AM, Jothikumar Ekanath <kbmkumar@gmail.com>
>> wrote:
>> > Hi,
>> >          Thanks for the response, sorry i put this email in the dev
>> > space.
>> > My data replication is 2. and yes the region and master server
>> > connectivity
>> > is good
>> >
>> > Initially i started with 4 data nodes and 1 master, i faced the same
>> > problem. So i reduced the data nodes to 1 and wanted to test it. I see
>> > the
>> > same issue. I haven't tested the pseudo distribution mode, i can test
>> > that.
>> > But my objective is to test the full distributed mode and do some
>> > testing.
>> > I can send my configuration for review. Please let me know if i am
>> > missing
>> > any basic setup configuration.
>> >
>>
>> Be sure you start fresh.  Did you run it standalone previous?  Did you
>> reset hbase tmp dir?  If not, try clearing /tmp before starting.  If
>> still does not work, put up your logs where we can take a look see --
>> and your config.
>>
>> St.Ack
>
>