Friday Jun 14, 2013

Best Practices - Live Migration on Oracle VM Server for SPARC

Oracle VM Server for SPARC supports live migration for moving a guest domain (virtual machine) from one server to another. This blog entry provides some comments on best practices for using live migration, describes factors that affect how long migration takes, and offers some alternative methods that can be better than live migration for some use cases - just because you can do something doesn't mean you should do something![Read More]

Tuesday Apr 09, 2013

vNICs on vNets now available

Oracle VM Server for SPARC 3.0.0.2 quietly introduced support for Solaris network virtualization on logical domains virtual network devices - sometimes called "vNICs on vNets". Read on for information on this new capability. [Read More]

Thursday Mar 07, 2013

Console logging in Oracle VM Server for SPARC

It's often useful to retain logs of domain consoles for troubleshooting and auditing. A new console logging feature in Oracle VM Server for SPARC makes it easy to do this, securely and with minimal effort. Read more for details...[Read More]

Friday Mar 01, 2013

Announcing Whitepaper: "Implementing Root Domains with Oracle VM Server for SPARC"

A new whitepaper describes root domains with Oracle VM Server for SPARC, which can be used to provide bare metal performance and other benefits.[Read More]

Saturday Feb 09, 2013

Oracle VM Manager used with SPARC - demo

Oracle VM Server for SPARC with Oracle VM Manager - demonstrated in Youtube videos! Read the full article for links and other information.[Read More]

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]
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