Thanks everyone for your responses. On Thu, May 12, 2011 at 1:18 AM, Sylvain Lebresne <sylv...@datastax.com>wrote:
> On Thu, May 12, 2011 at 1:58 AM, Anurag Gujral <anurag.guj...@gmail.com> > wrote: > > Hi All, > > I am testing network topology strategy in cassandra I am > using > > two nodes , one node each in different data center. > > Since the nodes are in different dc I assigned token 0 to both the nodes. > > I added both the nodes as seeds in the cassandra.yaml and I am using > > properyfilesnitch as endpoint snitch where I have specified the colo > > details. > > > > I started first node then I when I restarted second node I got an error > that > > token "0" is already being used.Why am I getting this error. > > You cannot have two nodes with the same token, so you'll have to use "0" > and > "1" for instance. It's true that with NTS you have to think of each > datacenter > as a separate ring, but there is still this restriction that each token > must be > different across the whole cluster. > > > > > Second Question: I already have cassandra running in two different data > > centers I want to add a new keyspace which uses networkTopology strategy > > in the light of above errors how can I accomplish this. > > > > > > Thanks > > Anurag > > >
