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From Bryan Cheng <br...@blockcypher.com>
Subject Re: "Not enough replicas available for query" after reboot
Date Thu, 04 Feb 2016 22:48:22 GMT
Hey Flavien!

Did your reboot come with any other changes (schema, configuration,
topology, version)?

On Thu, Feb 4, 2016 at 2:06 PM, Flavien Charlon <flavien.charlon@gmail.com>
wrote:

> I'm using the C# driver 2.5.2. I did try to restart the client
> application, but that didn't make any difference, I still get the same
> error after restart.
>
> On 4 February 2016 at 21:54, <SEAN_R_DURITY@homedepot.com> wrote:
>
>> What client are you using?
>>
>>
>>
>> It is possible that the client saw nodes down and has kept them marked
>> that way (without retrying). Depending on the client, you may have options
>> to set in RetryPolicy, FailoverPolicy, etc. A bounce of the client will
>> probably fix the problem for now.
>>
>>
>>
>>
>>
>> Sean Durity
>>
>>
>>
>> *From:* Flavien Charlon [mailto:flavien.charlon@gmail.com]
>> *Sent:* Thursday, February 04, 2016 4:06 PM
>> *To:* user@cassandra.apache.org
>> *Subject:* Re: "Not enough replicas available for query" after reboot
>>
>>
>>
>> Yes, all three nodes see all three nodes as UN.
>>
>>
>>
>> Also, connecting from a local Cassandra machine using cqlsh, I can run
>> the same query just fine (with QUORUM consistency level).
>>
>>
>>
>> On 4 February 2016 at 21:02, Robert Coli <rcoli@eventbrite.com> wrote:
>>
>> On Thu, Feb 4, 2016 at 12:53 PM, Flavien Charlon <
>> flavien.charlon@gmail.com> wrote:
>>
>> My cluster was running fine. I rebooted all three nodes (one by one), and
>> now all nodes are back up and running. "nodetool status" shows UP for all
>> three nodes on all three nodes:
>>
>>
>>
>> --  Address        Load       Tokens  Owns    Host ID
>>           Rack
>>
>> UN  xx.xx.xx.xx    331.84 GB  1       ?
>> d3d3a79b-9ca5-43f9-88c4-c3c7f08ca538  RAC1
>>
>> UN  xx.xx.xx.xx    317.2 GB   1       ?
>> de7917ed-0de9-434d-be88-bc91eb4f8713  RAC1
>>
>> UN  xx.xx.xx.xx  291.61 GB  1       ?
>> b489c970-68db-44a7-90c6-be734b41475f  RAC1
>>
>>
>>
>> However, now the client application fails to run queries on the cluster
>> with:
>>
>>
>>
>> Cassandra.UnavailableException: Not enough replicas available for query
>> at consistency Quorum (2 required but only 1 alive)
>>
>>
>>
>> Do *all* nodes see each other as UP/UN?
>>
>>
>>
>> =Rob
>>
>>
>>
>>
>>
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