This on cass 1.2.8 Ring state before decommission
-- Address Load Owns Host ID Token Rack UN 10.0.0.1 38.82 GB 33.3% 21a98502-dc74-4ad0-9689-0880aa110409 1 1a UN 10.0.0.2 33.5 GB 33.3% cba6b27a-4982-4f04-854d-cc73155d5f69 56713727820156407428984779325531226110 1b UN 10.0.0.3 37.41 GB 0.0% 6ba2c7d4-713e-4c14-8df8-f861fb211b0d 56713727820156407428984779325531226111 1b UN 10.0.0.4 35.7 GB 33.3% bf3d4792-f3e0-4062-afe3-be292bc85ed7 113427455640312814857969558651062452222 1c Trying to decommission the node ubuntu@10.0.0.3:~$ nodetool decommission Exception in thread "main" java.lang.NumberFormatException: For input string: "56713727820156407428984779325531226111" at java.lang.NumberFormatException.forInputString(NumberFormatException.java:65) at java.lang.Long.parseLong(Long.java:444) at java.lang.Long.parseLong(Long.java:483) at org.apache.cassandra.service.StorageService.extractExpireTime(StorageService.java:1660) at org.apache.cassandra.service.StorageService.handleStateLeft(StorageService.java:1515) at org.apache.cassandra.service.StorageService.onChange(StorageService.java:1234) at org.apache.cassandra.gms.Gossiper.doNotifications(Gossiper.java:949) at org.apache.cassandra.gms.Gossiper.addLocalApplicationState(Gossiper.java:1116) at org.apache.cassandra.service.StorageService.leaveRing(StorageService.java:2817) at org.apache.cassandra.service.StorageService.unbootstrap(StorageService.java:2861) at org.apache.cassandra.service.StorageService.decommission(StorageService.java:2808) Now I'm in a state where the machine is still "up" but "leaving" but I can't seem to get it out of the ring. For example: % nodetool removenode 6ba2c7d4-713e-4c14-8df8-f861fb211b0d Exception in thread "main" java.lang.UnsupportedOperationException: Node /10.0.0.3 is alive and owns this ID. Use decommission command to remove it from the ring Any ideas? /Janne