Friday Oct 31, 2014

Solaris Containers (zones)

In 1939, Ernest Wright published a 50,000+ word novel without using the letter 'e', the most common letter in English.
The point here is that he had to TRY VERY HARD to avoid any mention of that commonly used letter.

Well, here we have an article on containers, Are Containers the Beginning of the End of Virtual Machines?, and NOT ONE MENTION of Solaris containers (or "zones", if you prefer), that have been in production for nearly 10 years. I can only assume that the author had to TRY VERY HARD to avoid any mention of this commonly used virtualization technology!

Monday Aug 04, 2014

Oracle Solaris 11.2 for Cloud Computing

When Oracle released Solaris 11 back in 2011, I blogged about it here:
https://blogs.oracle.com/drcloud/entry/what_s_a_cloud_operating.
Even at that time, Solaris 11 was fully capable of meeting the operating system requirements for building scalable and elastic cloud infrastructures. Now, with the recent release of Oracle Solaris 11.2 there is more reason to seriously consider Solaris-based private cloud computing, both on Oracle's Intel/x86 servers, and especially on SPARC servers.
New in Solaris 11.2 are additional cloud-enabling features such as the Elastic Virtual Switch and support for OpenStack. Add to that the benefit of running your private cloud infrastructure on the fastest and most scalable SPARC servers, and you really have no excuse to overlook Oracle's cloud technologies!

Monday May 05, 2014

Oracle Solaris 11.2 Virtualization Options

Wow! What an amazing collection of new features in Oracle Solaris 11.2! You can read and hear about it here

I would like to focus on one small but important new feature that allows you greater choice in Solaris OS virtualization: Kernel Zones.

You create and manage Kernel Zones much like other zones the way you did it on Solaris 10 or earlier Solaris 11 releases. But now on 11.2 you can run different Solaris 11 kernel versions within non-global zones, similar to the earlier branded zones idea for Solaris 8 and 9. Solaris 11.2 now provides a platform for Type II hypervisor like support for different Solaris kernels.

This means that you now have two choices for virtualizing multiple Solaris kernels on the same physical server. Use Logical Domains (LDoms) on the T- and M- servers to provide fully separated Solaris kernels running directly on allocated SPARC cores, or use lighter weight kernel zones hosted on a single Solaris 11.2 global zone. And this provides intriguing variations and combinations of virtualization-within-virtualization: zones within LDoms, for maximum flexibility of application containment and deployment.

Check out Marcus Flierl's video on Solaris 11.2 virtualization here, and start thinking about all the new ways to deploy test, dev, and production applications in virtualized Solaris environments.

Friday Aug 02, 2013

READ_ME_FIRST: What Do I Do With All of Those SPARC Threads?

New Oracle Technical White Paper: READ_ME_FIRST: What Do I Do With All of Those SPARC Threads?

Executive Overview

With an amazing 1,536 threads in an Oracle M5-32 system, the number of threads in a single system has never been so high. This offers a tremendous processing capacity, but one may wonder how to make optimal use of all these resources.

In this technical white paper, we explain how the heavily threaded Oracle T5 and M5 servers can be deployed to efficiently consolidate and manage workloads using virtualization through Oracle Solaris Zones, Oracle VM Server for SPARC, and Oracle Enterprise Manager Ops Center, as well as how to improve the performance of a single application through multi-threading.

READ_ME_FIRST: What Do I Do With All of Those SPARC Threads?

About

The purpose of this blog is to highlight and to explore general issues around "Cloud Computing" -- its benefits, risks, and component technologies -- and how they are evolving. I'll also periodically comment (of course!) on Oracle's Cloud Computing capabilities, resources, and cloud-related events. -- Harry J Foxwell, PhD, Principal Consultant for Cloud Computing, Oracle Public Sector HW

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