这个是应该记住的哈哈

ORA-00000: normal, successful completion
Cause: Normal exit.

Action: None
Broker Configuration:       "dg_config"
      Protection Mode:            Maximum Availability
      Fast-Start Failover (FSFO): Disabled, flags=0x0, version=0
      Primary Database:           orcl (0x01010000)
12/02/2017 18:28:59
Version Check Results:
      Database orcldg returned ORA-00000  --do nothing
Creating process RSM0