Oracle Data Guard Error
سؤال
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 configuration
Configuration - oradb
Protection Mode: MaxPerformance
Members:
oradb - Primary database
Error: ORA-16778: redo transport error for one or more databases
oradb_s2 - Physical standby database
Warning: ORA-16857: standby disconnected from redo source for longer than specified threshold
Fast-Start Failover: DISABLED
Configuration Status:
ERROR (status updated 1 second ago)
DGMGRL>
is someone has any idea about the following error and warning?
المحلول
ORA-16857: standby disconnected from redo source for longer than specified threshold
Cause: The amount of time the standby was disconnected from the redo source database exceeded the value specified by the 'TransportDisconnectedThreshold' database property. It is caused by no network connectivity between the redo source and the standby databases.
Action: Ensure that there is network connectivity between the redo source and standby databases, and the redo source is working properly.
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