Use the nodetool status command. nodetool status
Datacenter: us-east-1 ===================== Status=Up/Down|/ State=Normal/Leaving/Joining/Moving-- Address Load Tokens Owns (effective) Host ID Rack UN 10.0.1.115 205.6 KiB 256 66.9% b64cb32a-b32a-46b4-9eeb-e123fa8fc287 us-east-1b UN 10.0.3.206 182.67 KiB 256 63.5% 74863177-684b-45f4-99f7-d1006625dc9e us-east-1d UN 10.0.2.238 240.81 KiB 256 69.6% 4dcdadd2-41f9-4f34-9892-1f20868b27c7 us-east-1c UN in 1st column implies status is Up and Normal. On Wednesday, January 8, 2020, 08:37:42 p.m. UTC, Voytek Jarnot <voytek.jar...@gmail.com> wrote: Needing to know when Cassandra is finished initializing and is up & running. Had some scripts which were looking through system.log for "No gossip backlog; proceeding", but that turns out not to be 100% reliable. Is looking for "Starting listening for CQL clients" considered definitive? I.E., always gets output on success, and not on failure? Thanks