Author: Yury Velikanov

My First Experience Running SLOB – Don’t Repeat My Errors (AWR)

If you are wondering what I have been busying myself with, this post explains it. As you may have noticed, I am still testing one of the Oracle systems using the SLOB framework and learning on my way. I ran several tests with the same parameters (Readers 24) and noticed that for one reason or another awr.txt reports different runtimes.
I was wondering why I was getting inconsistent runtimes for similar conditions. The answer to the mystery was very simple: The runit.sh script just generates awr.txt reports for the last and before last awr snapshots.

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Tools That Make Your Work with Oracle VM Easier

After completing your Oracle VM and Oracle VM Manager installation, you are ready to start your friendship with Oracle VM technology. However, to make your life and experience even more enjoyable, I suggest you follow a few simple steps listed here.

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Oracle VM Manager: OVMAPI_6000E Internal Error: Connection Refused

This is just a quick post to share my first 3.1.1 Oracle VM Manager (OVMM) troubleshooting experience. After the initial installation, I rebooted the server, tried to access OVMM https://ovmmhost:7002/ovm/console and received the following error in a browser screen…

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Installing Oracle VM Manager 3.1.1 Under Dom0 Host

This blog post will be short since installing the Oracle VM Manager 3.1.1 under Dom0 host isn’t different from installing the previous version. For all the tricks you need to use, please see my Oracle VM Manager 3.0.3 under Dom0 post.

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My First Experience Running SLOB – Status Update 2 (first results)

I think the results we got so far may surprise you. At lease they don’t seem to be the results +Alex Gorbachev and +Kevin Closson expected to see. You can find the first related blog post here. It will give you the necessary context for further reading. Just to recap: +Kevin Closson says that “Orion may give It’s VERY easy to get huge Orion nums but reasonable SLOB” and +Alex Gorbachev says that “lots of the system IO bound below the CPU level so you should see similar number with Orion or SLOB”. Let’s see what the first results revealed.

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My First Experience Running SLOB – Status Update 1

This is a copy of my G+ post from yesterday. As I am going to continue writing about our ongoing IO testing efforts on this blog, I decided to provide the first post here to give readers a bit more context.

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Oracle VM: What If You Have Only 1 HDD System?

In my previous post, I described how to install Oracle VM and Oracle VM Manager on the same sandbox. However, to start playing with Oracle VM v3 you need to configure some storage to be used for new VM hosts. The problem is that Oracle states that you should allocate a full HDD for VM host storage. If you have just one HDD in your system, then you are in trouble since part of it is already occupied by the Dom0 host.

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See you in Perth, Australia next Wednesday 28th of March 2012

Hello Friends, This is a short blog post to let you know that I am going to give my RMAN and SCAN talks to WA OUG (AUSOUG) folks in Perth next week. Here are the details:

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Installing Oracle VM Manager 3.0.3 under Dom0 host

In this post, I will share with you my experience installing OVMM 3.0.3 under OVM 3.0.3 Dom0 host, including, a short and sweet action plan to get it up and running ASAP, a detailed explanation with error messages and solutions, and clean run output

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#1 Issue you Should be Careful with AWR/STATSPACK Reported Numbers

I have decided to share with you some of the real life examples of why sometimes V$ views may hide real resources utilization numbers. As AWR and STATSPACK (previous version of AWR) as based on V$ views those may reflect the wrong statistics as results of the issues I am going to discuss in this blog post.

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