[oracle@prod ~]$ dgmgrl sys/oracle@PROD
DGMGRL for Linux: Version 12.1.0.2.0 - 64bit Production
Copyright (c) 2000, 2013, Oracle. All rights reserved.
Welcome to DGMGRL, type "help" for information.
Connected as SYSDBA.
DGMGRL> SHOW DATABASE PROD
Database - prod
Role: PRIMARY
Intended State: TRANSPORT-ON
Instance(s):
PROD
Database Status:
SUCCESS
DGMGRL> SHOW DATABASE STD
Database - std
Role: PHYSICAL STANDBY
Intended State: APPLY-ON
Transport Lag: 27 minutes 49 seconds (computed 43 seconds ago)
Apply Lag: 27 minutes 49 seconds (computed 43 seconds ago)
Average Apply Rate: 1.00 KByte/s
Real Time Query: OFF
Instance(s):
STD
Database Warning(s):
ORA-16857: standby disconnected from redo source for longer than specified threshold
Database Status:
WARNING
DGMGRL> disable database STD;
Disabled.
DGMGRL> enable database STD;
Enabled.
DGMGRL> SHOW DATABASE STD
Database - std
Role: PHYSICAL STANDBY
Intended State: APPLY-ON
Transport Lag: 0 seconds (computed 1 second ago)
Apply Lag: 0 seconds (computed 1 second ago)
Average Apply Rate: 1.00 KByte/s
Real Time Query: OFF
Instance(s):
STD
Database Status:
SUCCESS
DGMGRL for Linux: Version 12.1.0.2.0 - 64bit Production
Copyright (c) 2000, 2013, Oracle. All rights reserved.
Welcome to DGMGRL, type "help" for information.
Connected as SYSDBA.
DGMGRL> SHOW DATABASE PROD
Database - prod
Role: PRIMARY
Intended State: TRANSPORT-ON
Instance(s):
PROD
Database Status:
SUCCESS
DGMGRL> SHOW DATABASE STD
Database - std
Role: PHYSICAL STANDBY
Intended State: APPLY-ON
Transport Lag: 27 minutes 49 seconds (computed 43 seconds ago)
Apply Lag: 27 minutes 49 seconds (computed 43 seconds ago)
Average Apply Rate: 1.00 KByte/s
Real Time Query: OFF
Instance(s):
STD
Database Warning(s):
ORA-16857: standby disconnected from redo source for longer than specified threshold
Database Status:
WARNING
DGMGRL> disable database STD;
Disabled.
DGMGRL> enable database STD;
Enabled.
DGMGRL> SHOW DATABASE STD
Database - std
Role: PHYSICAL STANDBY
Intended State: APPLY-ON
Transport Lag: 0 seconds (computed 1 second ago)
Apply Lag: 0 seconds (computed 1 second ago)
Average Apply Rate: 1.00 KByte/s
Real Time Query: OFF
Instance(s):
STD
Database Status:
SUCCESS