Effective ownership on both nodes 0 %

[Prakrati Agrawal <Pr...@mu-sigma.com>]

Dear all

I have a Cassandra cluster with 2 nodes.
I was trying to increase the replication factor of keyspace in Cassandra to 2. I did the following steps:
UPDATE KEYSPACE demo WITH strategy_options = {DC1:2,DC2:2}; on both the nodes
Then I ran the nodetool repair on both the nodes
Then I ran my Hector code to count the number of rows and columns in the database.
I get the following error: Unavailable Exception
Also when I run the command
./nodetool -h ip_address ring
I found that both nodes ownership is 0 %. Please tell me how should I fix that.

Thanks and Regards
Prakrati




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Re: Effective ownership on both nodes 0 %

[aaron morton <aa...@thelastpickle.com>]

> Also when I run the command
> ./nodetool –h ip_address ring
> I found that both nodes ownership is 0 %. Please tell me how should I fix that.
It would be a lot easier to answer you question if you showed the output from nodetool ring. 

> UPDATE KEYSPACE demo WITH strategy_options = {DC1:2,DC2:2}; on both the nodes

This would only make sense if you had 2 data centres, with at least 2 nodes in each. 
You probably just want {DC1:2}

> I get the following error: Unavailable Exception

This means there are not enough available nodes to perform the request at the Consistency Level you code has requests. Probably due to the strategy_options set above.  

Cheers

-----------------
Aaron Morton
Freelance Developer
@aaronmorton
http://www.thelastpickle.com

On 11/06/2012, at 6:20 PM, Prakrati Agrawal wrote:

> Dear all
>  
> I have a Cassandra cluster with 2 nodes.
> I was trying to increase the replication factor of keyspace in Cassandra to 2. I did the following steps:
> UPDATE KEYSPACE demo WITH strategy_options = {DC1:2,DC2:2}; on both the nodes
> Then I ran the nodetool repair on both the nodes
> Then I ran my Hector code to count the number of rows and columns in the database.
> I get the following error: Unavailable Exception
> Also when I run the command
> ./nodetool –h ip_address ring
> I found that both nodes ownership is 0 %. Please tell me how should I fix that.
>  
> Thanks and Regards
> Prakrati
>  
>  
>  
> 
> This email message may contain proprietary, private and confidential information. The information transmitted is intended only for the person(s) or entities to which it is addressed. Any review, retransmission, dissemination or other use of, or taking of any action in reliance upon, this information by persons or entities other than the intended recipient is prohibited and may be illegal. If you received this in error, please contact the sender and delete the message from your system.
> 
> Mu Sigma takes all reasonable steps to ensure that its electronic communications are free from viruses. However, given Internet accessibility, the Company cannot accept liability for any virus introduced by this e-mail or any attachment and you are advised to use up-to-date virus checking software.