ORA-16086: Redo data cannot be written to the standby redo log
Errors found in data guard. What is the cause and how to fix this issue?
Version 19.7
primary:
2021-08-14T01:57:11.389+01:00
Configuration Validation Results:
Member PUKI0033SY: ORA-0: normal, successful completion
2021-08-14T01:58:06.150+01:00
Error: The actual protection level 'Resynchronization' is different from the configured protection mode 'MaxAvailability'.
Found unresolvable gap for database PUKI0033SY.
Redo transport problem detected: redo transport to database PUKI0033SY has the following error:
ORA-16086: Redo data cannot be written to the standby redo log
standby:
2021-08-14T01:56:56.339+01:00
Failed to connect to remote database PUKI0033WG. Error is ORA-12541
Failed to send message to member PUKI0033WG. Error code is ORA-12541.
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