Oracle 视图 V$FOREIGN_ARCHIVED_LOG 官方解释，作用，如何使用详细说明

本站中文解释

V$FOREIGN_ARCHIVED_LOG 视图用于查看网络环境中的远程 AVDF 实例中产生的归档日志信息。

它可以用来查看归档文件名、归档文件状态、归档文件应用点和其他信息，帮助用户管理远程 AVDF 实例中的归档文件。

使用该视图时，用户可以按照「INSTANCE_NAME」和「SEQUENCE#」字段来查看远程 AVDF 实例中产生的每一个归档文件。

官方英文解释

V$FOREIGN_ARCHIVED_LOG can be queried on a logical standby database to find out the list of foreign archived logs received by a database.

No rows are returned for this view on a physical standby database.

Archived log file name. If set to NULL, either the log file was cleared before it was archived or an RMAN BACKUP command with the delete input option was executed to back up archivelog all (RMAN backup archivelog all delete input;).

Original destination from which the archive log was generated. The value is 0 if the destination identifier is not available

Redo log block size. This is the logical block size of the archived log, which is the same as the logical block size of the online log from which the archived log was copied. The online log logical block size is a platform-specific value that is not adjustable by the user.

Indicates whether the online redo log was archived (YES) or whether RMAN only inspected the log and created a record for future application of redo logs during recovery (NO).

Indicates whether the archivelog has been applied to its corresponding standby database (YES) or not (NO). The value is always NO for local destinations.

This column is meaningful at the standby site for the ARCHIVED_LOG entries with REGISTRAR="RFS" (which means this log is shipped from the primary to the standby database). If REGISTRAR="RFS" and APPLIED is NO, then the log has arrived at the standby but has not yet been applied. If REGISTRAR="RFS" and APPLIED is YES, the log has arrived and been applied at the standby database.

You can use this field to identify archivelogs that can be backed up and removed from disk.

Indicates whether an RMAN DELETE command has physically deleted the archived log file from disk, as well as logically removing it from the control file of the target database and from the recovery catalog (YES) or not (NO)

Indicates whether the log contains the start of a LogMiner dictionary (YES) or not (NO)

Indicates whether the log contains the end of a LogMiner dictionary (YES) or not (NO)

Indicates whether the archived redo log contains the end of all redo information from the primary database () or not ()

Redo thread number of the instance that performed the archival operation. This column differs from the THREAD# column only when a closed thread is archived by another instance.

Indicates whether the file was created in the fast recovery area (YES) or not (NO)

Indicates whether the archive log was generated as the result of a FAL request (YES) or not (NO)

Possible values are as follows:

SWITCHOVER Shows archived redo log files that are produced at the end of a switchover

TERMINAL Shows archived redo log files produced after a failover

RESETLOGS Shows online redo log files archived on the primary database after an ALTER DATABASE OPEN RESETLOGS statement is issued

ACTIVATION Shows any log files archived on a physical standby database after an ALTER DATABASE ACTIVATE STANDBY DATABASE statement is issued

empty string Any empty string implies that the log is just a normal archival and was not archived due to any of the other events

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.

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数据库远程运维 Oracle 视图 V$FOREIGN_ARCHIVED_LOG 官方解释，作用，如何使用详细说明