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My Notes on How to Deploy a Four-Node Oracle RAC 12c Cluster
Great post from Oracle on How to Deploy a Four-Node Oracle RAC 12c Cluster in Minutes. Just a few notes to for me to remember and share. From the section: Import the Oracle VM Templates You Downloaded...
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Missing Password for Database Link Bug
So there I was, working on another database duplication project, the requirement is to save the existing database links. Sounds pretty easy, right? SELECT OWNER, DB_LINK,...
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GoldenGate 12c Features Found in 11.2.1.0.21 ???
I was curious if there was a way to add supplemental logging for ALL columns at the schema level. Oracle GoldenGate Release Notes 12c (12.1.2) for Windows and UNIX April 2014 ADD SCHEMATRANDATA and ADD...
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Rolling forward a standby database using RMAN Incremental Backup
I am not going to post on how to roll forward standby database as it has been written in many blogs already. Instead, I am going to share what I have learned how it may have been done incorrectly using...
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Headless VirtualBox on Windows 7
Recently I came to know about Headless features for VirtualBox and was curious as to how it works. When using Headless, there is not a need to start VirtualBox GUI which is nice and removes clutters...
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Learning RMAN is like learning to ride a bike
For almost five years, I have used RMAN very minimally. Luckily, learning RMAN is like learning to ride a bike. One may not be able to perform wheelie, but one does not forget. Please allow me to share...
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Priceless
Another wager lost to my daughter, this time an iPhone 5s. Thank God she does not want the 6. Learning the alphabets in school, A is for apple. Earning straight A’s all the way through 8th grade....
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Employees Who Stay In Companies Longer Than Two Years Get Paid 50% Less
I came across an interesting article Employees Who Stay In Companies Longer Than Two Years Get Paid 50% Less and thought to share with you. Let’s use the rule of 72 as an example. Basically, the rule...
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Create Physical Standby Database using RMAN Restore
Normally, when I create physical standby database, the configuration has the same directory structures and name values as production with the exception of db_unique_name. But this time was not the case...
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RMAN Pet Peeves
Do you validate your backup and what command do you use? Lately, I have been using restore database validate preview summary to kill 2 birds with 1 stone. The issue is RMAN will skip validation of...
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Better Communication
Sometimes I get excited over simple things. Today, I learned something new, something about human behaviors. Basically, there are 4 quadrants for human behaviors. If one does not understand the other...
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Avoid false errors with runcluvfy.sh for VirtualBox
My typical VirtualBox network configuration is: eth0 (NAT), eth1 (Host Only), eth2(Internal) runcluvfy.sh stage -pre crsinst -n rac01,rac02 -r 11gR2 -fixup -fixupdir /tmp – FAILED Node connectivity...
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Using runInstaller to check Prereqs with responseFile
The SILENT method [grid@rac01:/media/sf_Linux/11.2.0.4/grid] $ ./runInstaller -silent -executePrereqs -showProgress -waitforcompletion -force -responseFile...
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GUI Be Gone
I am losing the luxury of using GUI since clients typically may not have X-Windows or VNC Server installed Adapt or die and re-learning command line again. Better to verify before installation than to...
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GOLDENDATE HA MAA RAC ACFS XAG
Purpose is to demonstrate how to create HA for Bi-Directional Replication Goldengate installed on ACFS with RAC cluster using XAG. XAG simplifies the process since there are no requirements to create...
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Goldengate – start replicat ATSCN or AFTERSCN ?
When using Goldengate to instantiate target database from an Oracle source database, replicat process can be started to concide with extract based the method used for instantiation, e.g. RMAN or...
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Using rsync to clone Goldengate installation
You may be thinking, why clone Goldengate and why now just download it? The exact version and patch level might not be available. Too lazy to search for it and many other reasons you can come up with....
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Oracle Manual Standby – Applying Log
If you are running Oracle EE, there are many books on Data Guard. However, for Oracle SE and manual standby, have fun searching. I wanted to get a better understanding of registering logfile. Depending...
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