[ovirt-users] is arbiter configuration needed?

[Erekle Magradze]

Thanks a lot Kasturl


On 06/23/2017 03:25 PM, knarra wrote:
> On 06/23/2017 03:38 PM, Erekle Magradze wrote:
>> Hello,
>> I am using glusterfs as the storage backend for the VM images, 
>> volumes for oVirt consist of three bricks, is it still necessary to 
>> configure the arbiter to be on the safe side? or since the number of 
>> bricks is odd it will be done out of the box?
>> Thanks in advance
>> Cheers
>> Erekle
>> _______________________________________________
>> Users mailing list
>> Users at ovirt.org
>> http://lists.ovirt.org/mailman/listinfo/users
>
> Hi,
>
> An arbiter volume is a special class of replica-3 volume. Arbiter is 
> special because the third brick of replica set contains only directory 
> hierarchy information and metadata. Therefore, arbiter provides 
> split-brain protection with the equivalent consistency of a replica-3 
> volume without incurring the additional storage space overhead.
>
>     If you already have a replica volume in your config with three 
> bricks then that config should be good. You do not need to create a 
> arbiter.
>
> Hope this helps !!
>
> Thanks
>
> kasturi
>

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Erekle Magradze
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