Hello !
Best regards,
Sincerely yours,
Yuriy Rusinov.
Sorry for delay. Yes there are two version of postgresql 8.4 and 9.1 and suddenly all begin to work properly. pg_lsclusters output is
Version Cluster Port Status Owner Data directory Log file
8.4 main 5432 down postgres /var/lib/postgresql/8.4/main /var/log/postgresql/postgresql-8.4-main.log
9.1 main 5433 online postgres /var/lib/postgresql/9.1/main /var/log/postgresql/postgresql-9.1-main.log
Best regards,
Sincerely yours,
Yuriy Rusinov.