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Date: Thu, 20 Nov 2014 14:16:07 +0000
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 <CAE3+PJOhDqW_=brU9gUyJbDSDRYzcKTSNf_WFzdCi9hWBocv3g@mail.gmail.com>
Subject: Re: logging over multi-datacenter
From: Mark Reddy <mark.l.reddy@gmail.com>
To: user@cassandra.apache.org
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Hi Adil,

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


Mark

On 20 November 2014 08:20, Adil <adil.chabaq@gmail.com> 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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<div dir=3D"ltr">Hi=C2=A0Adil,=C2=A0<div><br></div><div>What Cassandra vers=
ion are you using? Are you using the default user or a non-default user?</d=
iv><div><br></div><div><br></div><div class=3D"gmail_extra"><div><div class=
=3D"gmail_signature">Mark</div></div>
<br><div class=3D"gmail_quote">On 20 November 2014 08:20, Adil <span dir=3D=
"ltr">&lt;<a href=3D"mailto:adil.chabaq@gmail.com" target=3D"_blank">adil.c=
habaq@gmail.com</a>&gt;</span> wrote:<br><blockquote class=3D"gmail_quote" =
style=3D"margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex"><di=
v dir=3D"ltr">Hi,<div>We have two data-center, we configured PasswordAuthen=
ticator on each node, we increment the RF of system_auth to the number of n=
odes (each data-center) as recommended.</div><div>We can logged-in via cqls=
h without problem, but when i stop cassandra on all nodes of a data-center =
we can&#39;t logged in in the other data-center...this error is displayed a=
s output:</div><div>Bad credentials] message=3D&quot;org.apache.cassandra.e=
xceptions.UnavailableException: Cannot achieve consistency level QUORUM&quo=
t;&#39;<br></div><div><br></div><div>from what i understand we should be ab=
le to logged in even if there is only one node UP but it seems that has to =
reach QUORUM consistency level (2 data-center).</div><div><br></div><div>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.</div><div><br></div>=
<div>Thanks</div><span class=3D"HOEnZb"><font color=3D"#888888"><div>Adil</=
div></font></span></div>
</blockquote></div><br></div></div>

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