On May 19, 2010, at 3:40 PM, Matt Iavarone wrote:
> I think the original question was around stateless load balancing,
> not clustering. Cross DC clustering is a headache, but HA web sites
> aren't exactly terchnical challenges these days.
>
He said he wanted 1 server in each data center, so that his website
would be available even if 1 data center goes down. That's HA not
load balancing. I disagree that it's not a challenge. Remote data
centers means the likelihood of split brain goes up quite a lot, as
compared to a set of servers connected via crossover ethernet or via
serial cable.
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