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From Vijay <vijay2...@gmail.com>
Subject Re: Question regarding Membership Election
Date Thu, 14 Jan 2010 20:58:15 GMT
Thanks Mahadev that helps,

Is there any hookup's (In zoo keeper) or examples which i can take a look
for the bridging process?

Regards,
</VJ>




On Thu, Jan 14, 2010 at 12:38 PM, Mahadev Konar <mahadev@yahoo-inc.com>wrote:

> Hi Vijay,
>  Unfortunately you wont be able to keep running the observer in the other
> DC if the quorum in the DC 1 is dead. Most of the folks we have talked to
> also want to avoid voiting across colos. They usually run two instances of
> Zookeeper in 2 DC's and copy state of zookeeper (using a bridge) across
> colos to keep them in sync. Usually the data requirement across colos is
> very small and they are usually able to do that by copying data across with
> there own bridge process.
>
> Hope that helps.
>
> Thanks
> mahadev
>
>
> On 1/14/10 12:12 PM, "Vijay" <vijay2win@gmail.com> wrote:
>
> > Hi,
> >
> > I read about observers in other datacenter,
> >
> > My question is i dont want voting across the datacenters (So i will use
> > observers), at the same time when a DC goes down i dont want to loose the
> > cluster, whats the solution for it?
> >
> > I have to have 3 nodes in primary DC to accept 1 node failure. Thats
> fine...
> > but what about the other DC? how many nodes and how will i make it work?
> >
> > Regards,
> > </VJ>
>
>

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