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Restore Failover → RMAN automatically uses restore failover to skip corrupted or inaccessible backups and look for … of failover that it is performing. For example, when RMAN fails over to another backup of the same … file, it generates a message similar to the following: failover to piece handle=/u01/backup/db_1 tag … : 2: No such file or directory
Failover → This event is triggered when an Oracle failover occurs. Declaration // C# public event … OracleFailoverEventHandler Failover; Event Data The event handler receives an OracleFailoverEventArgs object … the type of the failover. FailoverEvent Indicates the state of the failover. Remarks The Failover
FAILOVER → Invokes a failover that transitions the named (target) standby database into the role of a primary … database. This type of failover is referred to as manual failover. See Section 5.4, \"Manual … Failover\" for more information. Note: Because a failover results in a transition of a standby database to
restore failover → The automatic search by RMAN for usable backups in a restore operation if a corrupted or inaccessible backup is found.
Enabling Failover → To enable failover notifications, the option ORADB_ENLIST_FOR_CALLBACK must be passed into the call … to the OpenDatabase method. See Also: OpenDatabase Method Example: Failover Notification The … OO4O_FO_ERROR indicates that failover was unsuccessful, but the ' application can handle the and … retry failover
archived redo log failover → An RMAN features that enables RMAN to complete a backup even when some archived log destinations are missing logs or have logs with corrupt blocks. For example, if you back up logs in the flash recovery area that RMAN determines are corrupt, RMAN can search for logs in other archiving locations and back them up instead if they are intact.
Failover Callback Example → , registration, and unregistration. Part 1: Failover Callback Definition sb4 callback_fn(svchp, envhp, fo_ctx … (\" Failover type was found to be %s \\n\", ((fo_type==OCI_FO_SESSION) ? \"SESSION\":(fo_type==OCI_FO_SELECT … ) ? \"SELECT\": \"UNKNOWN!\")); printf(\" Failover Context is:%s\\n\", (fo_ctx?(char *)fo_ctx:\"NULL … POINTER!\"));
1.5 Client Failover → A high availability architecture requires a fast failover capability for databases and database … clients. Client failover encompasses failure notification, stale connection cleanup, and transparent … database failover with failover procedures that automatically redirect clients to a new primary database … within
ENABLE FAST_START FAILOVER CONDITION → Specifies additional conditions for which a fast-start failover should be performed. Format ENABLE FAST_START FAILOVER CONDITION value. Command Parameters
SHOW FAST_START FAILOVER → Displays all fast-start failover related information. Format SHOW FAST_START FAILOVER; COMMAND … PARAMETERS None. Usage Notes The SHOW FAST_START FAILOVER command shows a summary of the fast-start … failover configuration. Command Example DGMGRL> SHOW FAST_START FAILOVER; Fast-Start Failover:
Failover Callback Registration → For the failover callback to be used, it must be registered on the server context handle. This
5.4 Manual Failover → manner. This is known as a manual failover. There may or may not be data loss depending upon whether … . The word manual is used to contrast this type of failover with a fast-start failover (described in Section 5.5 ).
Failover Notification Registration → To address the problems described, OO4O supports application failover notifications. To receive … failover notifications, a notification handler must be registered with the MonitorForFailover method of … be passed in, along with any client-specific context, at the time of registering for failover … notifications. In the event
Configuring Transparent Application Failover → procedure. An initial attempt at failover may not always be successful. The OCI provides a … mechanism for retrying failover after an unsuccessful attempt. See Also: Oracle Database PL/SQL Packages and
Transparent Application Failover → OCCI Transparent Application Failover enables OCCI to be more robust in handling database instance … when including Transparent Application Failover in an application: Because of the delays inherent to … failover processing, the design of the application may include a notice to the user that a failover … instance
DISABLE FAST_START FAILOVER → Disables fast-start failover and prevent s the observer from initiating a failover to the target … standby database. See Section 5.5.5, \"Disabling Fast-Start Failover\" for additional information … . Format DISABLE FAST_START FAILOVER [ FORCE ]; Command Parameters None. Usage Notes If the primary and … target
DISABLE FAST_START FAILOVER CONDITION → Allows a user to remove conditions for which a fast-start failover should be performed. Format … DISABLE FAST_START FAILOVER CONDITION value. Command Parameters
5.5 Fast-Start Failover → 5.5 F ast-Start F ailover Fast-start failover allows the broker to automatically fail over to a … previously chosen standby database in the event of loss of the primary database. Fast-start failover … requiring you to perform any manual steps to invoke the failover. Fast-start failover can be used only … maximum
Fast Connection Failover Statistics → The getFCFProcessingInfo method provides information on recent FCF attempts in the form of a String. The FCF information is typically used to help diagnose FCF problems. The information includes the outcome of each FCF attempt (successful or failed), the relevant Oracle RAC instances, the number of connections that were cleaned up, the exception that triggered the FCF attempt failure, and more. The
ENABLE FAST_START FAILOVER → the primary database, without requiring you to perform any manual steps to invoke the failover. See … Section 5.5.2, \"Enabling Fast-Start Failover\" for complete information. Format ENABLE FAST_START … FAILOVER; Command Parameters None. Usage Notes The prerequisites described in Section 5.5.1 must be … met before you issue this