[Linux-cluster] Redhat without qdisk

[Ryan O'Hara]

On 04/12/2012 10:18 AM, emmanuel segura wrote:
> That's right
>
> you'll found your cluster partitioned and if you "<cman two_node="1"
> expected_votes="1">" as redhat setting our cluster maybe you get data
> corruption

How? What fence agent are you using? I've used this configuration for 
years and never had data corruption.

> Because every node can operate with one vote an rich the quorum state
>
> Forse the fencing problem redhat implement a work around as permanent
> solution
>
> fence delay for some cluster agents
>
> For fence_scsi in Redhat 5.X the redhat support says it's ok for production
> BAAAAA not tre

What are you concerns about fence_scsi?

> AND i the redhat technical tells the cluster don't require the quorum disk
> UMMMMMMMMMMMMM

Can you explain why qdisk would be required?

Ryan


> Il giorno 12 aprile 2012 16:47, Daniel Bourque
> <dbourque at accuweather.com>ha scritto:
>
>>   A qdisk is just another way to maintain quorum in cluster. there is a
>> special two node cluster mode designed to allow for quorum to be maintained
>> by the surviving node.
>>
>>   <cman two_node="1" expected_votes="1">
>> </cman>
>>
>>   But it's not very clear to me what happens with fencing if both nodes
>> get partitioned on the network. Do they both try to fence each other off ?
>>
>>
>> --
>> Dan
>>
>>      ------------------------------
>> *From:* linux-cluster-bounces at redhat.com [linux-cluster-bounces at redhat.com]
>> on behalf of emmanuel segura [emi2fast at gmail.com]
>> *Sent:* Thursday, April 12, 2012 9:25 AM
>> *To:* linux clustering
>> *Subject:* [Linux-cluster] Redhat without qdisk
>>
>>   Hello all List
>>
>> I have a big question about qdisk in a two cluster
>>
>> one of out clients has too many cluster in two nodes configuration and one
>> RedHat technical came to us and said that there is no need to use the
>> qdisk
>>
>> I would to know if this is true
>>
>> I really think it's a bad idea
>>
>> --
>> esta es mi vida e me la vivo hasta que dios quiera
>>
>> --
>> Linux-cluster mailing list
>> Linux-cluster at redhat.com
>> https://www.redhat.com/mailman/listinfo/linux-cluster
>>
>
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>
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>
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