I've just finished creating the test environment I'm going to use to prepare for the 11g OCP upgrade test. Instead of installing directly on a lab machine as I've done before, I decided to do this one inside a VMWare virtual machine. Here are some notes on what I did, while they're fresh in my mind.
Don't you just love the Internet? I found an excellent step-by-step install guide by John Smiley, and it really shortened the learning curve. It also contains links to the download sites for Oracle Enterprise Linux 5, which is functionally similar to Red Hat Enterprise Linux 5, and Oracle Database 11gR1.
I created a VM with 1024Mb memory, a single 20GB hard disk, one network adapter bridged. I don't plan to do RAC scenarios with this image, it's just for the basics, so I kept it simple. I can add more virtual hard drives to it later to practice ASM.
I used Oracle Enterprise Linux 5, downloaded from Oracle. I followed the install instructions from Oracle-Base, which included details on disk partitioning. OEL5 includes 5 CD images as .iso files, but the install only required the first 3.
On my first attempt, I did as the Oracle notes suggested and did a default install of packages. But this led to problems later with missing libraries needed by various RPMs. So, I started over, selected "Customize Now" instead of "Customize Later," and followed instructions I had used successfully with 10gR2 in terms of which packages to include and not:
This worked much better.
This worked much better.
I then followed the Oracle instructions exactly for preparing the OS for Oracle, in terms of adding several additional RPMs, setting kernel parameters, creating security groups and creating the oracle user.
My first try failed due to unzipping all the files on my Windows machine and burning an ISO image. I got permissions errors when trying to start the Oracle Universal Installer. So, I reburned the image with just the ZIP file as downloaded by Oracle, and unzipped it within the Linux environment. The rest of the install was textbook.
Throughout, I used the VMware Workstation 6.5 snapshot feature, taking snapshots of the base Linux machine, Linux machine plus additional packages, Linux machine plus customizations for Oracle, and finally after the successful install. I connected with sqlplus and was rewarded with the opening banner giving the version as 220.127.116.11.0.
Let the studying begin! Oh wait, it already has.
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