Monday Feb 04, 2013

Best Practices - Top Ten Tuning Tips

This blog post lists and briefly explains performance tips and best practices that should be used in most environments. [Read More]

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]

Friday Aug 31, 2012

Best Practices - Dynamic Reconfiguration

Oracle VM Server for SPARC provides dynamic reconfiguration for CPU, RAM, and I/O devices, letting virtual machine resource be changed on the fly without disruption. Solaris cooperates with Oracle VM Server for SPARC to safely allocate and de-allocate dynamically changing resources - as illustrated in this note.[Read More]

Monday Jul 09, 2012

New blog article series "What's up with LDoms"

Highly recommended: a new series of blog articles by Stefan Hinker, titled "What's up with LDoms" (officialy Oracle VM Server for SPARC) at https://blogs.oracle.com/cmt/entry/what_s_up_with_ldoms.

The article provides an architectural overview of Oracle VM Server for SPARC and even discusses some new and advanced features. I recommend this to anyone wanting to get a good understanding of Logical Domains / Oracle VM Server for SPARC.

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]

Tuesday Nov 22, 2011

Solaris 10 branded zone VM Templates for Solaris 11 on OTN

Early this year I wrote an article showing how to create a branded Solaris 10 zone under Oracle Solaris 11 - now there's an easy fast way with a Solaris 10 branded zone VM Template.[Read More]

Monday Nov 21, 2011

A Patent for Workload Management Based on Service Level Objectives

I've (after a trifling delay) been awarded a patent for an automatic computer workload manager that describes how to dynamically adjust computer resource in order to meet service level objectives. [Read More]

Thursday Nov 03, 2011

Why Solaris 11 is being released *before* 11/11/11

It would have been very elegant to release Solaris 11 on 11/11/11 (after all, how many chances for that kind of symmetry do you get?), but there are reasons it's not happening: see 11 Reasons Why Oracle Solaris 11 11/11 Isn't Being Released on 11/11/11 .

Aw, darn. Still, it would be nice if we could do Solaris 12 on 12/12/12. After that, we run out of months!

Friday Oct 21, 2011

Solaris 11 is coming!

I just mentioned this, but not prominently enough: Solaris 11 is coming, and you're invited to the party! See http://blogs.oracle.com/solaris/entry/you_re_invited_november_9th for information on the launch event. This is a big advance in Solaris with a lot of exciting new features, so attend or tune into the webcast.

More formally:

Join Oracle executives Mark Hurd and John Fowler and key Oracle Solaris Engineers and Execs at the Oracle Solaris 11 launch event in New York, Gotham Hall on Broadway, November 9th and learn how you can build your infrastructure with Oracle Solaris 11 to:

  • Accelerate internal, public, and hybrid cloud applications
  • Optimize application deployment with built-in virtualization
  • Achieve top performance and cost advantages with Oracle Solaris 11–based engineered systems

The launch event will also feature exclusive content for our in-person audience including a session led by the VP of core Solaris development and his leads on Solaris 11 and a customer insights panel during lunch. We will also have a technology showcase featuring our latest systems and Solaris technologies. The Solaris executive team will also be there throughout the day to answer questions and give insights into future developments in Solaris.

Don't miss the Oracle Solaris 11 launch in New York on November 9. REGISTER TODAY!

Wednesday Oct 19, 2011

Engineered and General Purpose Systems

In this entry I discuss why engineered systems in the Oracle Exadata and Exalogic family are a dramatic change in how systems will be designed and delivered. Performance, management, and reduction of complexity and risk are key factors that will make engineered systems increasingly important.[Read More]
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