On Wed, 2012-06-06 at 06:54 -0500, Prakrati Agrawal wrote: > This node will not auto bootstrap because it is configured to be a > seed node
This means the cassandra.yaml on that node references itself as a seed node. After you decommission the second node, can you still access the entire dataset in the single node cluser, or has it been lost along the way? What is the replication factor for your data? Tim Wintle