How to up a down backend in pgpool, without restart

Question

Is there a easy way to UP a DOWN backend, withour restart pgpool? A command line or something...

for example, when /var/log/postgresql/pgpool_status turn:

up
up
up

into:

up
down
up

Answer 1

You can use pcp_attach_node to attach the disconnected backend node without restarting the Pgpool-II