12cR1 RAC Posts -- 8b : DUPLICATE DATABASE FOR STANDBY
Continuing the previous post, where I have done the pre-setup...(A reminder : This is a SingleInstance Standby on FileSystem for a RAC Database with a PDB on ASM)On the SingleInstance Node (for the...
View Article12cR1 RAC Posts -- 8c : Ignorable "Errors" during the DUPLICATE
In yesterday's post, I had shown a DUPLICATE DATABASE from RAC-ASM to SingleInstance-FileSystem.During the course of the DUPLICATE DATABASE run, the Standby alert log seemingly reported errors. I...
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1.5million PageViews
My Oracle Blog now has had 1.5million PageViews.The 1million PageViews mark was hit in March 2015....
View Article12cR1 RAC Posts -- 8d : Registering the two databases in DataGuard Broker
Continuing my series on setting up a non-RAC, FileSystem Standby for a RAC, ASM Database....On the Standby:[oracle@oem132 ~]$ . oraenvORACLE_SID = [oracle] ? STBYThe Oracle base has been set to...
View Article12cR1 RAC Posts -- 8e : Redo Shipping and Apply (RAC to nonRAC)
Continuing the series of posts on the RAC/ASM to SingleInstance/FileSystem DataGuard configuration ...With both instances RAC1 and RAC2 running, I have redo shipping from both instances to the single...
View Article12cR1 RAC Posts -- 8f : Accessing data in the PDB in the Standby
Apparently, the error :< br /> alter pluggable database pdb open*ERROR at line 1:ORA-44309: unknown failureORA-44777: Pluggable database service cannot be started.in my previous post was a...
View Article12cR1 RAC Posts -- 8g : Switchover from RAC Primary to SingleInstance Standby
Continuing this series of posts where I have a SingleInstance/FileSystem Standby database for a RAC/ASM database ...Checking the status of the configuration :DGMGRL> show configuration;Configuration...
View Article12cR1 RAC Posts -- 8h : DataGuard Switchover (RAC to nonRAC) Messages
Yesterday, I demonstrated a DataGuard Switchover from a 2node RAC(ASM) database to a SingleInstance(FileSystem) Database.These are the messages in the alert log and drc log files during the Switchover...
View Article12cR1 RAC Posts -- 8i : Switchback from SingleInstance to RAC
Earlier this week (10-April), I had done a Switchover from the 2node RAC database to a SingleInstance database.It is time now to Switchback from SingleInstance to RAC.First, I check the status of the...
View Article12cR1 RAC Posts -- 9 : Adding a Service to a PDB in RAC
My 2node RAC environment has 1 PDB. Here I add (create) a new Service to the PDB.Oracle recommends using srvctl instead of DBMS_SERVICE to add a Service.Can I add a service without having the PDB OPEN...
View Article12cR1 RAC Posts -- 10 : Video on Database Startup
I've created a short video on manually starting up a RAC database that has a PDB with two custom services. If a database is shutdown before the cluster is shutdown, the cluster startup does not...
View Article12c MultiTenant Posts -- 1 : Creating a PDB in a different directory
What if the current (default) location for Pluggable Databases is running out of space and, yet, you want to create an Oracle Managed Files Pluggable Database ?First, I start with this configuration...
View Article12cR1 RAC Posts -- 11 : Managing Services in RAC (with PDB) (Video)
I have uploaded a video on managing services (add, start, check, remove) in a 12c RAC database with a Pluggable Database....
View Article12c MultiTenant Posts -- 2 : Backup individual PDB
In the 12c MultiTenant architecture, you can backup (and restore) individual PDBs. However, you must also backup the CDB (Root) ! You cannot restore a PDB as a "standalone" database --- it has to be...
View Article12c MultiTenant Posts -- 3 : Restore Individual PB
Restoring the single PDB in a Container Database.$rman target /Recovery Manager: Release 12.2.0.1.0 - Production on Wed Jun 7 06:34:47 2017Copyright (c) 1982, 2017, Oracle and/or its affiliates. All...
View Article12c MultiTenant Posts -- 4 : Relocate Individual PDB using RMAN
Given the current location of a PDB :SQL> alter session set container=NEWPDB;Session altered.SQL> select file_name from...
View Article12c MultiTenant Posts -- 5 : Flashback a PDB
12.2 allows FLASHBACK DATABASE for a Pluggable Database.Note that ALTER DATABASE FLASHBACK ON is not enabled by default in a newly created database -- you must issue this command at the CDB level to...
View ArticleNew Video on 11g Nested Loop (enhancement)
I've published a new Video on the Optimizer Nested Loop Enhancement in 11g : 11g Nested Loop...
View Article12c MultiTenant Posts -- 6 : Partial (aka Subset) Cloning of PDB
Note : This is a 12.2 feature.Normally, if you clone a PDB, you'd get a full copy with all the tablespaces. Now, in 12.2, you can exclude non-essential tablespaces by specifying USER TABLESPACES --...
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