How to clear cluster wrong status after physically remove nodes?

[Cong Guo]

Hi, I got 3 nodes physically removed, but they still exists in the "nodetool status", do you know how to remove them? I tried "nodetool remove", but it doesn't work.Datacenter: datacenter1
=======================
Status=Up/Down
|/ State=Normal/Leaving/Joining/Moving
-- Address     Load    Tokens    Owns  Host ID                Rack
DN 172.20.192.1 ?     256     ?    a3d60f9a-4bd1-49f1-ae80-f7944b3866c3 rack1
UN 172.20.64.2   13.42 GB  256     ?    8c770772-1d50-4ab3-8701-fc9db6ccca6f rack1
UN 172.20.184.3 10.34 GB  256     ?    b19bc0c2-6e47-412c-a28d-a12c0809b734 rack1
DN 172.20.38.4  ?     256     ?    dbf61c7a-fa39-490c-9c1b-4b951454148e rack1
UN 172.20.60.5  8.23 GB  256     ?    3b2f03fe-9b9f-49a9-8eff-e6eb6633d334 rack1
DN 172.20.174.6 ?     256     ?    556d05b9-94c8-4c44-a1a4-5e7901e1b664 rack1

4:21

# nodetool removenode force
RemovalStatus: No token removals in process.

[Cong Guo]

Got scylla warning below:

WARN  2021-12-08 08:31:18,371 [shard 0] cdc - Could not update CDC description table with generation 2021/12/08 06:37:18: exceptions::unavailable_exception (Cannot achieve consistency level for cl QUORUM. Requires 1, alive 0). Will retry in the background.