Hi, On Tue, Dec 6, 2022 at 12:41 PM Lapo Luchini <l...@lapo.it> wrote:
> I'm trying to change IP address of an existing live node (possibly > without deleting data and streaming terabytes all over again) following > these steps: https://stackoverflow.com/a/57455035/166524 > 1. echo 'auto_bootstrap: false' >> cassandra.yaml > 2. add "-Dcassandra.replace_address=oldAddress" in cassandra-env.sh > 3. restart node > As I know, you need to change the IP address like this only, when the node data vanished and need to tell the cluster the replaced IP of the vanished node. Or should I delete all the DB on disk and bootstrap from scratch? > No! Just start it and the other nodes in the cluster will acknowledge the new IP, they recognize the node by id, stored in the data folder of the node. -- Bye, Auth Gábor (https://iotguru.cloud)
