Oracle ADG Broker主备切换报错失败处理
切换假失败:ORA-16847和ORA-16816
通过DG Broker发起主备切换:
DGMGRL> show configuration
Configuration - dg_msgdb
Protection Mode: MaxPerformance
Members:
msgdb_1 - Primary database
msgdb_0 - Physical standby database
Fast-Start Failover: Disabled
Configuration Status:
SUCCESS (status updated 48 seconds ago)
DGMGRL> switchover to msgdb_0
Performing switchover NOW, please wait...
Error: ORA-1034: ORACLE not available
Error: ORA-16625: cannot re