Monday Mar 23, 2009

March 24 Invitation to Global WebSphere Community Jam

My colleague Dileep Kumar and I will be hosting the "Ask the Experts" Jam Session at the Global WebSphere Community site on March 24, 2009. Bring your questions about WebSphere on Solaris. We will be available to discsuss during...

Day/Time:

  • Americas: March 24/11:00 am EDT to 3:00 pm EDT
  • UK: March 24/3:00 p.m. to 7:00 p.m. GMT
  • Asia Pacific: March 25/2:00 am to 6:00 am Sydney EDT

Tuesday Jan 22, 2008

A New Redbook (DRAFT): WebSphere Application Server V6.1 on Solaris

Sun and IBM WebSphere teams have collaborated together to write this new Redbook titled "IBM WebSphere Application Server V6.1 on the Solaris Operating System". I, along with my Sun colleague Dileep Kumar, were part of the IBM Redbook Residency in November and December of 2007. We enjoyed working with the IBM team that included Phil Monson (one of the finest project managers), Dennis Martin, Ilari Ahtiainen and Joe Reinwald on the project.

The book is now available as a draft Redbook on the internet at: http://www.redbooks.ibm.com/redpieces/abstracts/sg247584.html.

This book documents the best practices of deployment and performance management of WAS v6.1 on Solaris 10. Chapters include:

  • Chapter 1. Introduction to WebSphere Application Server on Sun Solaris
  • Chapter 2. Configuring a Solaris environment for WebSphere Application Server
  • Chapter 3. Installation of WebSphere Application Server for Solaris 10
  • Chapter 4. Installation of WebSphere Application Server Network Deployment for Solaris 10
  • Chapter 5. Configuration of WebSphere Application Server in Advanced Solaris 10 Environment
  • Chapter 6. Management and Maintenance of WAS on Solaris
  • Chapter 7. Advanced Topologies
  • Chapter 8. Security and Identity Management
  • Chapter 9. WebSphere Application Server Performance Tuning on Solaris 10
  • Chapter 10. Problem Determination
  • Appendix A. WebSphere Application Server V6.0.2 considerations
  • Appendix B. Sun Solaris 8 Migration Assistant (Etude)
  • Appendix C. Additional material

We are still ironing out some contents and quite close to a release version. Please provide us with your feedback. You can reach me at {FirstName}.{LastName}@Sun.COM -- see my name at the top of my blog.

Monday Oct 22, 2007

Summary of Sun Virtualization Technologies for WebSphere Application Environments

Sun offers various virtualization capabilities ranging from partitioning at the hardware level to isolating at the OS resource utilization and others in between (see Figure below).  You can leverage such capabilities to maximize your resource utilization, consolidate servers, and minimize the server sprawl in your data center for deploying business applications including IBM WebSphere.

Sun Virtualization Figure 

  1. Dynamic System Domains (DSD) enable main-frame like hardware partitioning, full fault isolation, and full dynamic reconfiguration (DR) capabilities offered on mid-rage SPARC64-VI to high-end Sun Fire servers.  Each domain on a server represents a system with its own kernel, network interface, disks, I/O, MAC address, IP Address, host name, name service, locale, timezone, etc.
  2. Logical Domains (LDom) enable server virtualization capabilities and are offered on Sun CoolThread servers.  Each LDom on a CoolThread server represents a virtual system (sun4v) with its own kernel, network interface, disks, MAC address, IP Address, host name, name service, locale, timezone, etc.  (It comes free with CoolThread servers!)
  3. Solaris Containers (Zone+Resouce Control) enable OS virtualization capabilities on any system (SPARC and x86) that is running Solaris 10 or newer.   It is free, built in capability with no additional license and requires virtually no overhead!  Based on a single Solaris kernel instance, each Container (or Zone) represents a virtual system with its own IP address, host name, name service, locale, timezone, etc.  And, there are additional capabilities that Solaris Containers now offer:
    1. Solaris 8 Migration Assistant allows a Solaris 10 system to host Solaris 8 Containers.  Yes, this Solaris Container on Solaris 10 will look and act like Solaris 8 to the applications hosted.
    2. Solaris Containers for Linux Applications enable hosting Linux applications on Solaris
  4. Finally, Sun xVM will offer the open source project Xen-based virtualization capabilities in Solaris.

You can, of course, create a combined solution of Solaris Containers on systems that are running DSD's or LDom's.  The same will be for Sun xVM.  Here is a brief summary on when to use what; if you need to have

  • Complete fault isolation, dynamic reconfiguration, RAS, high vertical scalability, large physical memory (e.g. >64GB RAM) and multiple Solaris kernels, then go with Dynamic System Domains on the Sun Fire mid-rage SPARC64-VI to high-end servers.
  • The best price/performance, energy efficient, and multiple Solaris kernels, then go with LDoms on Sun CoolThread servers.
  • Virtualization capabilities and can share a single Solaris kernel among different virtual systems, then go with Sun Containers.  This can be easily implemented on a single CPU to the high-end Sun Fire 25K systems.
  • (In the near future, Virtual OS loaded within Solaris then go with Sun xVM).

You can learn more about all these Sun Virtualization technologies at this Sun website.

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