hi;
We have cassandra cluster with Vnodes spanning across 3 data centers.
We take backup of the snapshots from one datacenter.
In a doomsday scenario, we want to restore a downed datacenter, with
snapshots from another datacenter. We have same number of nodes in each
datacenter.
1 : We know it requires copying the snapshots and their corresponding token
ranges to the nodes in new datacenter, and running nodetool refresh.
2 : The question is, we will now have 2 datacenters, with the same exact
token ranges. Will that cause any problem.
DC1 : Node-1 : token1......token10
Node-2 : token11 .....token20
Node-3 : token21 ..... token30
Node-4 : token31 ..... token40
DC2 : Node-1 : token1.....token10
Node-2 : token11....token20
Node-3 : token21....token30
Node-4 : token31....token40
thanks
Sai
