just make them one cluster, and use the rackAware logic... On Fri, Apr 23, 2010 at 7:21 AM, Campbell, Joseph < [email protected]> wrote:
> Question: > It is possible to setup Cassandra such that 2 independent > Cassandra rings/clusters replicate to one another, ensuring that each > ring/cluster has at least 1 copy of all the data on each ring/cluster? > > The setup is like this: > 2 Data centers, one in Philadelphia and another in Denver. In > each data center there exists a Cassandra ring/cluster. Each data > center is being used as a live-live origin (meaning both data centers > are in use at any point in time). I would like to be able to guarantee > that in the event that one or the other of the data centers goes down > that 'ALL' the available data in that failed data center is also > available in the other data center such that traffic to the origin > website that depends on the data can simply be switched over to the > other site (Using Akamai, or other tools). Is this type of > configuration possible/available in Cassandra? If so how would you set > it up, and what might some of the draw backs be? > > Thanks, > Joe Campbell > > > > -- > Anyone can get hit by a MOVING car, > but it takes skill to get hit by a PARKED car. > -- Random Tee-shirt on Dysfunction > > Joe Campbell | one comcast center | philadelphia, pa 19103 | > 215.286.5073 >
