postgres 9 streaming replication

Hi,

Configured postgres 9 streaming replication and changed parameter in postgresql.conf & pg_hba.conf file

Problem is wal sender & receiver process not started , is there any way to check process please suggest.

172.21.132.1 ( primary )

172.18.221.211 ( standby )

pg_hba.conf (primary & standby )

host replication all 172.18.221.211 255.255.255.255 trus

recovery.conf ( standby )

standby_mode = 'on'
primary_conninfo = 'host=172.21.132.1 port=5432 user=repusr'
trigger_file = '/db/postgres/trigger'
restore_command = 'cp -f /db/postgres/data/pg_wal/%f %p < /dev/null '
postgresql.conf ( primary )

listen_addresses = '*'
port = 5432
archive_mode = on
archive_command = 'cp "%p" /db/postgres/data/pg_wal/"%f" < /dev/null'
max_wal_senders = 3
wal_level = hot_standby

postgresql.conf ( standby )

listen_addresses = '*'
port = 5432
archive_mode = on
archive_command = 'cp "%p" /db/postgres/data/pg_wal/"%f" < /dev/null'
max_wal_senders = 3
wal_level = hot_standby
hot_standby = on