DG-V$MANAGED_STANDBY视图

V$MANAGED_STANDBY displays current status information for some Oracle Database processes related to physical standby databases in the Data Guard environment. This view does not persist after an instance shutdown.

Column	Datatype	Description
PROCESS	VARCHAR2(9)	Type of the process whose information is being reported: RFS - Remote file server MRP0 - Detached recovery server process MR(fg) - Foreground recovery session ARCH - Archiver process FGRD LGWR RFS(FAL) RFS(NEXP) LNS - ASYNC Redo Transport process
PID	VARCHAR2(24)	Operating system process identifier of the process
STATUS	VARCHAR2(12)	Current process status: UNUSED - No active process ALLOCATED - Process is active but not currently connected to a primary database CONNECTED - Network connection established to a primary database ATTACHED - Process is actively attached and communicating to a primary database IDLE - Process is not performing any activities ERROR - Process has failed OPENING - Process is opening the archived redo log CLOSING - Process has completed archival and is closing the archived redo log WRITING - Process is actively writing redo data to the archived redo log RECEIVING - Process is receiving network communication ANNOUNCING - Process is announcing the existence of a potential dependent archived redo log REGISTERING - Process is registering the existence of a completed dependent archived redo log WAIT_FOR_LOG - Process is waiting for the archived redo log to be completed WAIT_FOR_GAP - Process is waiting for the archive gap to be resolved APPLYING_LOG - Process is actively applying the archived redo log to the standby database
CLIENT_PROCESS	VARCHAR2(8)	Identifies the corresponding primary database process: Archival - Foreground (manual) archival process (SQL) ARCH - Background ARCn process LGWR - Background LGWR process
CLIENT_PID	VARCHAR2(40)	Operating system process identifier of the client process
CLIENT_DBID	VARCHAR2(40)	Database identifier of the primary database
GROUP#	VARCHAR2(40)	Standby redo log group
RESETLOG_ID	NUMBER	Resetlogs identifier of the archived redo log
THREAD#	NUMBER	Archived redo log thread number
SEQUENCE#	NUMBER	Archived redo log sequence number
BLOCK#	NUMBER	Last processed archived redo log block number
BLOCKS	NUMBER	Count (in 512-byte blocks) of the last write to a redo log, or for a recovery process, the expected final read count
DELAY_MINS	NUMBER	Archived redo log delay interval in minutes
KNOWN_AGENTS	NUMBER	Total number of standby database agents processing an archived redo log
ACTIVE_AGENTS	NUMBER	Number of standby database agents actively processing an archived redo log
CON_ID	NUMBER	The ID of the container to which the data pertains. Possible values include: 0: This value is used for rows containing data that pertain to the entire CDB. This value is also used for rows in non-CDBs. 1: This value is used for rows containing data that pertain to only the root n: Where n is the applicable container ID for the rows containing data