[Pgpool-general] Problem with pgpool-II_3.1.0

[Lazaro Rubén García Martinez]

Hello everyone in the list, I write you because I'm having a problem for doing online_recovery with pgpool-II V 3.1.0, and I hope  that you can help me. I am configuring pgpool and postgreSQL in streaming replication mode, but when I try to recover the standby node a backenError is returned and in the postgresql.log file this error is shown:

LOG:  connection authorized: user=postgres database=template1
LOG:  statement: SELECT pgpool_recovery('/opt/pgsql/data/basebackup', '10.13.4.205', '/opt/pgsql/data')
sh: /opt/pgsql/data//opt/pgsql/data/basebackup: No such file or directory
ERROR:  pgpool_recovery failed
STATEMENT:  SELECT pgpool_recovery('/opt/pgsql/data/basebackup', '10.13.4.205', '/opt/pgsql/data')

The basebackup file is under /opt/pgsql/data/ but I do not know why the reason for this error, the owner of basebackup file is the user postgres and the permission over this file is755.

This is my pgpool.conf

I hope that you can help me, thank you very much for your time.

Regards.

#------------------------------------------------------------------------------
# CONNECTIONS
#------------------------------------------------------------------------------

# - pgpool Connection Settings -

listen_addresses = '*'
port = 9999
socket_dir = '/tmp'

pcp_port = 9898
pcp_socket_dir = '/tmp'

# - Backend Connection Settings -

backend_hostname0 = '10.13.4.202'
                                   # Host name or IP address to connect to for backend 0
backend_port0 = 5432
                                   # Port number for backend 0
backend_weight0 = 1
                                   # Weight for backend 0 (only in load balancing mode)
backend_data_directory0 = '/opt/pgsql/data'
                                   # Data directory for backend 0
backend_flag0 = 'ALLOW_TO_FAILOVER'
                                   # Controls various backend behavior
                                   # ALLOW_TO_FAILOVER or DISALLOW_TO_FAILOVER
backend_hostname1 = '10.13.4.205'
backend_port1 = 5432
backend_weight1 = 1
backend_data_directory1 = '/opt/pgsql/data'
backend_flag1 = 'ALLOW_TO_FAILOVER'

# - Authentication -

enable_pool_hba = off
authentication_timeout = 60

# - SSL Connections -

ssl = off
#ssl_key = './server.key'
#ssl_cert = './server.cert'
#ssl_ca_cert = ''
#ssl_ca_cert_dir = ''


#------------------------------------------------------------------------------
# POOLS
#------------------------------------------------------------------------------

# - Pool size -

num_init_children = 32
max_pool = 4

# - Life time -

child_life_time = 300
child_max_connections = 0
connection_life_time = 0
client_idle_limit = 0


#------------------------------------------------------------------------------
# LOGS
#------------------------------------------------------------------------------

# - Where to log -

log_destination = 'stderr'

# - What to log -

print_timestamp = on

log_connections = on
log_hostname = on
log_statement = on
log_per_node_statement = off
log_standby_delay = 'if_over_threshold'

# - Syslog specific -

syslog_facility = 'LOCAL0'
syslog_ident = 'pgpool'

# - Debug -

debug_level = 0


#------------------------------------------------------------------------------
# FILE LOCATIONS
#------------------------------------------------------------------------------

pid_file_name = '/var/run/pgpool/pgpool.pid'
logdir = '/opt/pgpool/pgpool_log'


#------------------------------------------------------------------------------
# CONNECTION POOLING
#------------------------------------------------------------------------------

connection_cache = on
reset_query_list = 'ABORT; DISCARD ALL'


#------------------------------------------------------------------------------
# REPLICATION MODE
#------------------------------------------------------------------------------

replication_mode = off
replicate_select = off

insert_lock = off
lobj_lock_table = ''

replication_stop_on_mismatch = off

failover_if_affected_tuples_mismatch = off


#------------------------------------------------------------------------------
# LOAD BALANCING MODE
#------------------------------------------------------------------------------

load_balance_mode = on
ignore_leading_white_space = on
white_function_list = ''
black_function_list = 'currval,lastval,nextval,setval'


#------------------------------------------------------------------------------
# MASTER/SLAVE MODE
#------------------------------------------------------------------------------

master_slave_mode = on
master_slave_sub_mode = 'stream'

sr_check_period = 360
sr_check_user = 'postgres'
delay_threshold = 10000000

# - Special commands -

follow_master_command = ''



#------------------------------------------------------------------------------
# HEALTH CHECK
#------------------------------------------------------------------------------

health_check_period = 360
health_check_timeout = 20
health_check_user = 'postgres'
health_check_password = 'postgres'

#------------------------------------------------------------------------------
# FAILOVER AND FAILBACK
#------------------------------------------------------------------------------

failover_command = '/opt/pgpool/bin/failover_stream.sh %d %H /tmp/trigger_file0'
failback_command = ''

fail_over_on_backend_error = on


#------------------------------------------------------------------------------
# ONLINE RECOVERY
#------------------------------------------------------------------------------

recovery_user = 'postgres'
recovery_password = 'postgres'
recovery_1st_stage_command = '/opt/pgsql/data/basebackup'
recovery_2nd_stage_command = ''
recovery_timeout = 90
client_idle_limit_in_recovery = 0

relcache_expire = 0


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