understanding memory allocation in oracle vm / xen
As a follow up to my previous blog about cpu topology, I wanted to add a little bit about memory topology and memory allocation in the hypervisor. Most systems these days that are multi-socket are...
View Articlebuilding an appliance? physical ? virtual? production quality? use Oracle Linux
Many companies are building appliances these days. Whether they are virtual appliance (VMs) or physical appliances, they all have an embedded OS inside. Now, I have looked at many of them, in...
View ArticleMore on templates and first boot configuration
A little while back I wrote something up about building appliances (physical/virtual) using Oracle Linux. We build a whole set of Oracle VM templates and release them on our edelivery site. But some of...
View ArticleOracle VM 3.1 released
Today we formally announced the release of Oracle VM Server for x86 3.1. It is available for download from http://edelivery.oracle.com/linux. The software consists of 2 ISO images, the Oracle VM 3.1...
View Articleusing ovm_utils
Now that we released Oracle VM 3.1 and I just added ovm_utils 0.5.2 on ARU, it's time to give a few examples/use cases of the utilities :) The utilities are available for download from...
View ArticleOracle Linux components
A few weeks ago I was visiting a customer where we were discussing Oracle Linux and Oracle VM advantages compared to some of our competitors. One of the comments from the customer at some point in the...
View Articlemore Oracle Linux options
A few days ago I wrote a summary of what you get with Oracle Linux. Because there are so many things, I forgot a few... and this is just a continuation of that previous entry. There are 2 more features...
View ArticleThe case for Oracle VM
As I mentioned a few days ago, at a customer visit earlier this month we were discussing Oracle VM and Oracle Linux advantages and the customer was surprised to hear how many features we include in our...
View Articlefrom the research department - ramster in Linux 3.4 staging drivers
Some developers on my team have spent quite a few years on doing research and development on new ways of doing memory management better across servers, both physical and virtual. You often hear me talk...
View Articleexample of transcendent memory and oracle databases
I did some tests with tmem using an Oracle Database 11gR2 and swingbench setup. You can see a graph below. Let me try to explain what this means. Using Oracle VM 3 with some changes booting dom0...
View ArticleNew Oracles VM RAC template with support for oracle vm 3 built-in
The RAC team did it again (thanks Saar!) - another awesome set of Oracle VM templates published and uploaded to My Oracle Support. You can find the main page here. What's special about the latest...
View ArticleOracle VM RAC template - what it took
In my previous posting I introduced the latest Oracle Real Application Cluster / Oracle VM template. I mentioned how easy it is to deploy a complete Oracle RAC cluster with Oracle VM. In fact, you...
View ArticleOracle VM 3.1.1 build 365 released
A few days ago we released a patch update for Oracle VM 3.1.1 (build 365). Oracle VM Manager 3.1.1 Build 365 is now available from My Oracle Support patch ID 14227416 Oracle VM Server 3.1.1 errata...
View ArticleOracle Linux 6 update 3
Oracle Linux 6.3 channels are now available online http://public-yum.oracle.com repositories. Both base channels and latest channels are available (for free for everyone)http://linux.oracle.com...
View ArticleMy own personal use of Oracle Linux
It always is easier to explain something with examples... Many people still don't seem to understand some of the convenient things around using Oracle Linux and since I personally (surprise!) use it at...
View ArticleWhat's up with OCFS2?
On Linux there are many filesystem choices and even from Oracle we provide a number of filesystems, all with their own advantages and use cases. Customers often confuse ACFS with OCFS or OCFS2 which...
View ArticleASMLib
Oracle ASMlib on Linux has been a topic of discussion a number of times since it was released way back when in 2004. There is a lot of confusion around it and certainly a lot of misinformation out...
View ArticleOracle VM VirtualBox virtual appliance images for Oracle VM 3.1.1 server and...
I updated the Oracle VM VirtualBox appliances for Oracle VM Manager. It now contains the latest release+patch Oracle VM Manager 3.1.1 build 365. Alongside the Manager VM I also created a preconfigured...
View ArticleIntroducing the Oracle Linux Playground yum repo
We just introduced a new yum repository/channel on http://public-yum.oracle.com called the playground channel. What we started doing is the following: When a new stable mainline kernel is released by...
View Articledm nfs
A little known feature that we make good use of in Oracle VM is called dm nfs. Basically the ability to create a device mapper device directly on an nfs-based file/filesystem. We use this in Oracle VM...
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