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From Mark Reddy <>
Subject Re: logging over multi-datacenter
Date Thu, 20 Nov 2014 14:16:07 GMT
Hi Adil,

What Cassandra version are you using? Are you using the default user or a
non-default user?


On 20 November 2014 08:20, Adil <> wrote:

> Hi,
> We have two data-center, we configured PasswordAuthenticator on each node,
> we increment the RF of system_auth to the number of nodes (each
> data-center) as recommended.
> We can logged-in via cqlsh without problem, but when i stop cassandra on
> all nodes of a data-center we can't logged in in the other
> data-center...this error is displayed as output:
> Bad credentials]
> message="org.apache.cassandra.exceptions.UnavailableException: Cannot
> achieve consistency level QUORUM"'
> from what i understand we should be able to logged in even if there is
> only one node UP but it seems that has to reach QUORUM consistency level (2
> data-center).
> my question is if the java driver cql uses the same condition and if there
> is a way to set the consistency level to like LOCAL_ONE.
> Thanks
> Adil

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