Oracle logical standby vs physical standby
WebIf the selected standby database was configured as a physical standby database or a logical standby database If the role transition is a switchover or a failover The goal is to perform the role transition as quickly as possible with little or no data loss. WebYou have two servers (physical or VMs) with an operating system and Oracle installed on them. In this case I've used Oracle Linux 5.6 and Oracle Database 11.2.0.2. The primary server has a running instance. The standby server has a software only installation. Primary Server Setup Logging Check that the primary database is in archivelog mode.
Oracle logical standby vs physical standby
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WebApr 5, 2015 · Start up your physical standyby database with NOMOUNT-Option SQL> startup nomount; Now switch to your primary database environment. Start your rman on you primary envoronment: $> rman target / auxiliary sys@Dataguard_instance Dataguard_instance must be substituted with your DataGuard instance name. WebNov 21, 2024 · Neither a logical standby database or a snapshot standby database can forward redo to another standby database. In 11.2 when a cascaded destination is …
Webo When adding a logical standby database for the first time to an existing configuration, you must enable supplemental logging on all existing physical standby databases in the … WebOct 14, 2024 · Oracle Database - Enterprise Edition - Version 12.2.0.1 and later: Convert From Physical Standby To Logical hangs ALTER DATABASE RECOVER TO LOGICAL STANDBY
WebAug 28, 2013 · My steps for testing as below: 1.create a primary database 2.duplicate a physical standby database; 3.turn on flashback on both databases. 4.record SCN xxx on physical standby database. 5.convert physical standby to logical standby (using keep identity statement) 6.flashback to logical standby to xxx 7.convert logical standby to … WebJan 18, 2024 · We have two oracle 12c (same release, language..) databases replicated with Physical standby data guard configuration. When we try to convert standby database to logical with “ALTER DATABASE RECOVER TO LOGICAL STANDBY ;” command never completes. There is no error in alert log so we don’t know why it …
WebDec 18, 2012 · 1- Physical Standby Database Its exactly same As Primary Database. 2- In Physical Data Guard The archivelog Applied directly after transfer from primary database …
WebMar 20, 2013 · You cannot run any DML in a logical standby database unless you deactivate, temporary, the guard feature. To overcome you isse you can do: SQL> ALTER DATABASE GUARD NONE; SQL> SELECT GUARD_STATUS FROM V$DATABASE; GUARD_STATUS -------------------- NONE And then run your dbms_stats. Share Improve this answer Follow answered … cines berlinWebJun 21, 2008 · Physical vs Logical standby database. If I run have two systems i.e a Primary System and a Logical standby database system , is it not sufficient protection ? If the … cines boadillaWebJun 26, 2008 · What is the difference between physical and logical standby database? cines dreams carteleraWebJan 18, 2008 · A physical standby database can be used for business purposes other than disaster recovery on a limited basis. Logical standby database Contains the same logical … cines berutiWebAs of Oracle Database 11 g Release 1 (11.1), a physical standby database can receive and apply redo while it is open for read-only access. A physical standby database can … diabolical summer freeWebFeb 12, 2014 · Logical Standby behaves similarly to physical standby, except it uses a more complex method of applying SQL statements (logical) instead of block level redo changes (physical). While It is rarely used as a protection mechanism for a primary database it is common to use logical standby as a reporting database. cine screenxWebJul 24, 2012 · Yes. A physical Standby can be open for Read-only, but a logical offers additional options for writing. You cannot write to a Physical Standby since this would put it out of sync with the Primary. What business issue are you trying to solve? ( besides reporting ) Generally I believe a Physical Standby is easier to maintain, but logical has some ... diabolical rapture chords