Wednesday Jan 30, 2013

Oracle VM Manager support for SPARC

This blog entry discusses new virtualization management features for SPARC servers: the ability to manage Oracle VM Server for SPARC (logical domains) servers with Oracle VM Manager 3.2. Current product features, prerequisites, and capabilities will be described. Subsequent entries will show how to configure Oracle VM Server for SPARC to use the Manager, and give examples of using it to run virtual machines[Read More]

Friday Oct 05, 2012

Running Solaris 11 as a control domain on a T2000

There is increased adoption of Solaris 11, and some customers test it with older servers. This blog entry illustrates how to run Solaris 11 as a control domain on a T1-based server like a T2000.[Read More]

Monday Oct 01, 2012

Best Practices - which domain types should be used to run applications

Enhancements to SPARC T-series servers and Oracle VM Server for SPARC open up options for running applications in I/O domains with native performance. This blog reviews domain roles and describes when this can be a useful way to deploy applications in domains.[Read More]

Thursday Jun 14, 2012

Mixed Solaris 10 and 11 versions in logical domains on the same server

You can mix Oracle Solaris 10 and Solaris 11 domains on the same server, subject only to the software requirements for the hardware platform. Read further for details.[Read More]

Saturday Jun 09, 2012

Best Practices - Core allocation

Split core CPU allocation to domains can potentially have an impact on performance, but the logical domains manager tends to prevent this situation, and it can be completely and simply avoided by allocating virtual CPUs on core boundaries. [Read More]

Tuesday Jun 05, 2012

What happened to the MAUs on T4?

The T4 servers have crypto acceleration "just built in" so administrators no longer have to assign crypto accelerator units to domains - it "just happens"[Read More]

Thursday May 24, 2012

Cross-CPU Live Migration in Oracle VM Server for SPARC 2.2

Oracle VM Server for SPARC 2.2 can now live migrate running guest domains between T-series servers even if they don't have the same chip type or frequency. [Read More]

Thursday Jul 07, 2011

Secure administration of Oracle VM Server for SPARC (Logical Domains)

Oracle VM Server for SPARC (Logical Domains) includes provides a variety of features that enhance security. This article describes its security advantages, and illustrates how to use Solaris Role Based Access Control (RBAC) to permit management without requiring the use of the root userid.[Read More]

Wednesday Jun 15, 2011

DTrace with Oracle VM Server SPARC 2.1

Live migration is the most notable of the new features of OVMSS 2.1, there are several other enhancements. Another one is the addition of DTrace support for instrumenting OVMSS behavior.[Read More]

Thursday Jun 09, 2011

Live migration in Oracle VM Server SPARC 2.1

Oracle VM Server SPARC now supports "live migration" - this blog entry explains how it works, shows examples using it, and describes how it can be used. [Read More]

Wednesday Jun 08, 2011

Oracle VM Server SPARC 2.1 Released

Oracle VM Server SPARC 2.1 Released - with new features, especially live domain migration. This blog entry gives a quick overview of the new features.[Read More]

Monday Dec 27, 2010

So much news, so little time...

It's a long time since my last blog - it's been a busy time! In this blog entry I catch up with some of the big news announcements, and illustrate upgrading from OpenSolaris to Oracle Solaris 11 Express[Read More]

Thursday Mar 25, 2010

Response to "A comparison of virtualization features of HP-UX, Solaris and AIX"

It's a long time since I've had to refute errors in partisan "comparisons" of Sun technology, but it's time again. An article posted by Ken Milberg on IBM sites inaccurately describes Oracle virtualization technology, and I set the record straight....[Read More]

Thursday Jan 21, 2010

Logical Domains 1.3 Released

A new version of Logical Domains has been released, with new functionality for resource management and domain migration.[Read More]

Sunday Nov 08, 2009

Dedicated CPUs in zones - a small RM exercise

An exercise with resource management using Logical Domains and Solaris Containers, illustrating how these technologies interact, and how resource management looks when dedicated CPUs are used with Containers. [Read More]
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