Thread: [PERFORM] Unable to start the slave instance

[PERFORM] Unable to start the slave instance

From

Daulat Ram

Date:

05 July 2017, 12:14:23

Hi experts,

We have configured a replication environment in Windows 10. But I am getting an error below the error messages while starting slave instance.

Error:

2017-07-05 00:00:02 IST LOG: restored log file "000000010000000000000022" from archive

2017-07-05 00:00:02 IST LOG: WAL file is from different database system: WAL file database system identifier is 6438799484563175092, pg_control database system identifier is 6379088242155134709.

2017-07-05 00:00:02 IST FATAL: database system identifier differs between the primary and standby

2017-07-05 00:00:02 IST DETAIL: The primary's identifier is 6438799484563175092, the standby's identifier is 6379088242155134709.

2017-07-05 00:00:06 IST LOG: restored log file "000000010000000000000022" from archive

2017-07-05 00:00:06 IST LOG: WAL file is from different database system: WAL file database system identifier is 6438799484563175092, pg_control database system identifier is 6379088242155134709.

2017-07-05 00:00:06 IST FATAL: database system identifier differs between the primary and standby

2017-07-05 00:00:06 IST DETAIL: The primary's identifier is 6438799484563175092, the standby's identifier is 6379088242155134709.

2017-07-05 00:00:11 IST LOG: restored log file "000000010000000000000022" from archive

2017-07-05 00:00:11 IST LOG: WAL file is from different database system: WAL file database system identifier is 6438799484563175092, pg_control database system identifier is 6379088242155134709.

2017-07-05 00:00:11 IST FATAL: database system identifier differs between the primary and standby

2017-07-05 00:00:11 IST DETAIL: The primary's identifier is 6438799484563175092, the standby's identifier is 6379088242155134709.

2017-07-05 00:00:16 IST LOG: restored log file "000000010000000000000022" from archive

2017-07-05 00:00:16 IST LOG: WAL file is from different database system: WAL file database system identifier is 6438799484563175092, pg

Below are the parameter at Primary/standby & Recovery.conf as well as hba.conf file.

@MASTER

wal_level = hot_standby

shared_buffers = 128MB

port = 5432

max_connections = 100

wal_level = hot_standby #

archive_mode = on

archive_command = 'copy "%p" "\\\\192.168.1.111\\archive\\%f"'

max_wal_senders = 1

wal_keep_segments = 10

listen_addresses = '*'

@SLAVE

'pgsql-performance@postgresql.org'

port = 5432

hot_standby = on

max_connections = 100

listen_addresses = '*'

shared_buffers = 128MB

In Recovery.conf

restore_command = 'copy "\\\\192.168.1.111\\archive\\%f" "%p"'

standby_mode = 'on'

primary_coninfo = 'host = 192.168.1.111 port = 5432 user = postgres password = postgres'

In Hba.conf @ Master side

# TYPE DATABASE USER ADDRESS METHOD

# replication privilege.

host replication postgres 192.168.1.106/32 trust

Please help on this issue. What things I have to changed & checked.

Regards,

Daulat

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