Solved by repeating the execution of (base) postgres@pc:~$ pg_dropcluster --stop 11 fabmnet :
(base) postgres@pc:~$ pg_dropcluster --stop 11 fabmnet Error: specified cluster does not exist Marco Il giorno gio 19 set 2019 alle ore 13:02 Marco Ippolito < ippolito.ma...@gmail.com> ha scritto: > If the saying "to learn you have to make mistakes", I'm "learning"...: > > I removed a cluster's folder without using pg_dropcluster... sio now I > have a corrupted cluster. How can I safely remove it? > > (base) marco@pc:~$ pg_lsclusters > Ver Cluster Port Status Owner Data directory Log file > 11 fabmnet 5433 down <unknown> /var/lib/postgresql/11/fabmnet > /var/log/postgresql/postgresql-11-fabmnet.log > 11 main 5432 online postgres /var/lib/postgresql/11/main > /var/log/postgresql/postgresql-11-main.log > > (base) marco@pc:~$ pg_dropcluster 11 fabmnet > Warning: corrupted cluster: data directory does not exist > Warning: systemd was not informed about the removed cluster yet. > Operations like "service postgresql start" might fail. To fix, run: > sudo systemctl daemon-reload > (base) marco@pc:~$ sudo systemctl daemon-reload > [sudo] password for marco: > (base) marco@pc:~$ pg_dropcluster 11 fabmnet > Warning: corrupted cluster: data directory does not exist > Warning: systemd was not informed about the removed cluster yet. > Operations like "service postgresql start" might fail. To fix, run: > sudo systemctl daemon-reload > > Marco >