Mon premier blog

Oracle Dataguard: Standby Database Failover Handbook by Bipul Kumar

Oracle Dataguard: Standby Database Failover Handbook Bipul Kumar ebook
ISBN: 9780974599380
Publisher: Rampant Techpress
Page: 230
Format: pdf

This protection mode ensures that no data loss will occur if the primary database fails. SQL> show 4 STANDBY /opt/app/oracle/flash_recovery_area/orcl/onlinelog/o1_mf_4_5bvzl8hf_.log 10.) Enable flash back database: alter database flashback on * ERROR at line 1: ORA-38759: Database must be mounted by only one instance and not open. As this is in READ If this is your only standby database, if you have to failover to it, the failover is going to take longer - because the standby has to be flashed back, and caught up, before the transition can complete, be aware that worst case scenario. Sep 5, 2012 - Introduced in Oracle 11gR1, a snapshot standby database is a physical standby that is temporarily disconnected from Data Guard configuration and able to be used as a fully updatable stand-alone database. You can use the CONFIGURE command to create persistent RMAN configurations for any individual primary or standby database in the Data Guard environment, with the exception of settings for backup retention policy, tablespace exclusion, and auxiliary names. Copy Files; Start Test Log Transport; Protection Mode; Database Switchover; Failover; Flashback Database; Read-Only Standby and Active Data Guard; Snapshot Standby. Databases: proda – Primary database. May 24, 2011 - Protection Mode: MaxProtection. Oct 16, 2013 - Creating a Manual Oracle Data Guard Configuration. Of the effects of lost writes with Standby (Data Guard) A standby database, among others, provides a copy of the database that Oracle can use to detect lost writes (i.e. The standby provides a reference copy of 'good data'). Jul 18, 2012 - Standby Server Setup (Manual). Well need to mount the database to run this command. Prodb – Physical standby database. From the Oracle manual: Maximum Protection. Sep 19, 2009 - standby_file_management string MANUAL SQL> alter system set standby_file_management=auto; System altered. The primary database won't be transitioned to the standby role (thus, won't need to receive redo data and won't need relevant initialization parameters). 3) The Data guard setup is done. Apr 27, 2014 - There won't be a failover/switchover scenario i.e.