Some possible statuses for the MRP in data gaurd
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ERROR - This means that the process has failed. See the alert log or v$dataguard_status for further information.
WAIT_FOR_LOG - Process is waiting for the archived redo log to be completed. Switch an archive log on the primary and requery v$managed_standby to see if the status changes to APPLYING_LOG.
WAIT_FOR_GAP - Process is waiting for the archive gap to be resolved. Review the alert log to see if FAL_SERVER has been called to resolve the gap.
APPLYING_LOG - Process is applying the archived redo log to the standby database.
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ERROR - This means that the process has failed. See the alert log or v$dataguard_status for further information.
WAIT_FOR_LOG - Process is waiting for the archived redo log to be completed. Switch an archive log on the primary and requery v$managed_standby to see if the status changes to APPLYING_LOG.
WAIT_FOR_GAP - Process is waiting for the archive gap to be resolved. Review the alert log to see if FAL_SERVER has been called to resolve the gap.
APPLYING_LOG - Process is applying the archived redo log to the standby database.
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