dgmgrl Physical Standby is showing offline and Real Time Query is showing OFF.
DGMGRL> show configuration
Configuration - orcl
Protection Mode: MaxPerformance
Members:
orclprm - Primary database
orclstb - Physical standby database
Error: ORA-16664: unable to receive the result from a member
Fast-Start Failover: Disabled
Configuration Status:
ERROR (status updated 66 seconds ago)
DGMGRL> show database orclprm
Database - orclprm
Role: PRIMARY
Intended State: TRANSPORT-ON
Instance(s):
orcl
Database Status:
SUCCESS
DGMGRL> show database orclstb
Database - orclstb
Role: PHYSICAL STANDBY
Intended State: APPLY-ON
Transport Lag: (unknown)
Apply Lag: (unknown)
Average Apply Rate: (unknown)
Real Time Query: OFF
Instance(s):
orcl
Database Status:
DGM-17016: failed to retrieve status for database "orclstb"
ORA-16664: unable to receive the result from a member
Primary node listener is not started and that's what caused the inability to communicate with the Physical Standby database.
oracle@Primary ~]$ lsnrctl status
LSNRCTL for Linux: Version 19.0.0.0.0 - Production on 16-SEP-2022 16:36:15
Copyright (c) 1991, 2019, Oracle. All rights reserved.
Connecting to (ADDRESS=(PROTOCOL=tcp)(HOST=)(PORT=1521))
TNS-12541: TNS:no listener
TNS-12560: TNS:protocol adapter error
TNS-00511: No listener
Linux Error: 111: Connection refused
[oracle@Primary ~]$ lsnrctl start
The Physical Standby status returns from ON after starting up the listener.
[oracle@Primary ~]$ dgmgrl /
DGMGRL for Linux: Release 19.0.0.0.0 - Production on Fri Sep 16 16:36:32 2022
Version 19.3.0.0.0
Copyright (c) 1982, 2019, Oracle and/or its affiliates. All rights reserved.
Welcome to DGMGRL, type "help" for information.
Connected to "ORCLPRM"
Connected as SYSDG.
DGMGRL> show configuration
Configuration - orcl
Protection Mode: MaxPerformance
Members:
orclprm - Primary database
orclstb - Physical standby database
Error: ORA-16664: unable to receive the result from a member
Fast-Start Failover: Disabled
Configuration Status:
ERROR (status updated 71 seconds ago)
DGMGRL> show database orclstb
Database - orclstb
Role: PHYSICAL STANDBY
Intended State: APPLY-ON
Transport Lag: 0 seconds (computed 0 seconds ago)
Apply Lag: 0 seconds (computed 0 seconds ago)
Average Apply Rate: 2.00 KByte/s
Real Time Query: ON
Instance(s):
orcl
Database Status:
SUCCESS
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