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Articles for the keywords: LDOMs
01 Oct 2013 SPARC M6-32 Delivers Oracle E-Business and PeopleSoft World Record Benchmarks [33003]
Linear Data Warehouse Scaling in a Virtualized Configuration

This result demonstrates how the combination of Oracle virtualization technologies for SPARC and Oracle's SPARC M6-32 server allow the deployment and concurrent high performance execution of multiple Oracle applications and databases sized for the Enterprise.

In an 8-chip Dynamic Domain (also known as PDom), the SPARC M6-32 server set a World Record E-Business 12.1.3 X-Large world record with 14,660 online users running five simultaneous E-Business modules.

In a second 8-chip Dynamic Domain, the SPARC M6-32 server set a World Record PeopleSoft HCM 9.1 HR Self-Service online supporting 34,000 users while simultaneously running a batch workload in 29.7 minutes. This was done with a database of 600,480 employees. In a separate test running a batch-only workload was run in 21.2 min.

In a third Dynamic Domain with 16-chips on the SPARC M6-32 server, a data warehouse test was run that showed near-linear scaling.
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26 Aug 2013 Cross-CPU migration in LDoms 3.1 [32460]
Migrate a running virtual machine from a SPARC server with one type of CPU chip to another of a different type

Eric Sharakan writes, "Cross-CPU migration is the ability to migrate a running virtual machine (VM) from a SPARC server with one type of CPU chip to another of a different type. Prior to LDoms 3.1, the only way to perform such a migration was to specify a "cpu-arch" property of "generic" when first defining the VM. Doing so allowed VMs to be migrated between systems based on the T2, T2+, T3 and T4 processors. However, specifying this property results in the VM running without taking advantage of all the features of the underlying CPU, negatively impacting performance. The most serious impact was loss of hardware-based crypto acceleration on the T4 processors. This was unfortunately necessary, due to major changes in HW crypto acceleration introduced in T4..."
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25 May 2013 How to go Physical to Virtual with Oracle Solaris Zones using Enterprise Manager Ops Center [31101]
By Rodney Lindner

Rodney Lindner writes, "Many customers have large collections of physical Solaris 8, 9 and 10 servers in their datacenters and they are wondering how they are going to virtualize them. This leads to a commonly asked question. Can Enterprise Manager Ops Center 12C be used to P2V (Physical to Virtual) my old servers? Ops Center does not have a single button P2V capability, but it is possible for Ops Center to deploy physical servers, LDOMs and branded zones based on flash archives(flars) that have been taken of your existing physical servers. Ops Center achieves P2V by deploying flars and leveraging its patching and automation capabilities, to make the P2V process consistent, repeatable and as cost effective as possible.

As with any virtualization project, there will be a number of things that will need to be updated as you move from a physical to a virtual environment. It is a common misconception that you can virtualize a system and change nothing about it. There are always a few things that have to be changed on an OS or process level to make it compatible with the virtualized environment. As a best practice, there are many more things that should be updated, re-allocated and redesigned as part of a virtualization project but that is a subject for another blog.

In this blog, we will be covering migrating physical servers to Oracle Solaris Zones..."
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18 Feb 2013 Five Perspectives on Virtual Networks [29788]
Several Aspects of Virtual Network Creation

Rick Ramsey has gathered five posts on virtual networks by various hands with the intent of making it easier for users to decide which type of virtual network to create. The posts are:

  • "How Networking Works in Virtual Box" by the Fat Bloke

  • "Evaluating Oracle Solaris 11 from Inside Oracle VM Virtual Box" by Yuli Vasiliev

  • "Looking Under the Hood at Networking in Oracle VM Server for x86" by Greg King and Suzanne Zorn

  • "Which Tool Should I Use to Manage Which Virtualization Technology?" by Ginny Henningsen

17 Jan 2013 Slide Sets for Two DOAG Talks: LDoms and T4 Red Crypto Stack [29388]
Considering IO Ooptions for both Disk and Networking; Securing the Database

The DOAG Konferenz & Ausstellung 2012 featured two presentations by Stefan Hinker, for which he now shares the slides in an oracle.com post. The first was entitled "LDoms IO Best Practices,"] in which he discussed different IO options for both disk and networking and gave recommendations on how to choose the right ones for your environment. The second, co-presented with Heinz-Wilhelm Fabry, was entitled "T4 and the Red Crypto Stack." The presenters showed how to use encryption and other security mechanisms throughout the red stack to deploy a quite well secured database.
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