Check nodetool status to see if the replacement node is fully joined (UN status). If it is and it didn't stream any data, then either auto_bootstrap was false, or the node was in its own seeds list. If you lost a node, then replace_address as Jonny mentioned would probably be a good idea.
On Mon, Nov 9, 2015 at 1:31 AM Johnny Miller <johnny.p.mil...@gmail.com> wrote: > John - Why not just just follow the process for replacing a dead node? Why > do you need to use the same IP? e.g. JVM_OPTS="$JVM_OPTS > -Dcassandra.replace_address=address_of_dead_node > > > http://docs.datastax.com/en/cassandra/1.2/cassandra/operations/ops_replace_node_t.html > > > Johnny > > > On 9 Nov 2015, at 05:11, John Wong <gokoproj...@gmail.com> wrote: > > Hi. > We are running Cassandra 1.2.19, and we are AWS customer, so we store our > data in ephemeral storage. > > If we recreate an instance with the same IP, what is the best way to get > the node up and running with the previous data? Right now I am relying on > backup. > > I was hoping that we can stream the data, but nodetool rebuild is for > bringing up a new data center. I just re-created the instance and I don't > see much going on except keyspaces are being re-created with some data > file. I thought Cassandra would automatically stream data from replicas... > > Ideas? > Thanks. > > John > > >