Monday Feb 16, 2015

How to Build Software Defined Networks Using Elastic Virtual Switches - Part 1

Oracle Solaris 11.2 enhances the existing,integrated software-defined networking (SDN) technologies provided by earlier releases of Oracle Solaris to provide much greater application agility without the added overhead of expensive network hardware.

It now enables application-driven, multitenant cloud virtual networking across a completely distributed set of systems; decoupling from the physical network infrastructure; and application-level network service-level agreements (SLAs)—all built in as part of the platform. Enhancements and new features include the following:

• Network virtualization with virtual network interface cards (VNICs), elastic virtual switches, virtual local area networks (VLANs), and virtual extensible VLANs (VXLANs)
• Network resource management and integrated, application- level quality of service (QoS) to enforce bandwidth limits on VNICs and traffic flows
• Cloud readiness, a core feature of the OpenStack distribution included in Oracle Solaris 11
• Tight integration with Oracle Solaris Zones

About the Elastic Virtual Switch Feature of Oracle Solaris

The Elastic Virtual Switch (EVS) feature provides a built-in distributed virtual network infrastructure that can be used to deploy and manage virtual switches that are spread across several compute nodes. These compute nodes are the physical machines that host virtual machines (VMs).

An elastic virtual switch is an entity that represents explicitly created virtual switches that belong to the same Layer 2 (L2) segment. An elastic virtual switch provides network connectivity between VMs connected to it from anywhere in the network.

For more information how-to combine software-defined networking (SDN) and Elastic Virtual Switch (EVS) technologies using examples see the following article:How to Build Software Defined Networks Using Elastic Virtual Switches - Part 1

Thursday Aug 22, 2013

Hadoop Cluster with Oracle Solaris Hands on Lab at Oracle Open WORLD 2013

If you want to learn how-to build a Hadoop cluster using Solaris 11 technologies please join me at the following Oracle Open WORLD 2013 lab.
How to Set Up a Hadoop Cluster with Oracle Solaris [HOL10182]



In this Hands-on-Lab we will preset and demonstrate using exercises how to set up a Hadoop cluster Using Oracle Solaris 11 technologies like: Zones, ZFS, DTrace  and Network Virtualization.
Key topics include the Hadoop Distributed File System and MapReduce.
We will also cover the Hadoop installation process and the cluster building blocks: NameNode, a secondary NameNode, and DataNodes.
In addition how we can combine the Oracle Solaris 11 technologies for better scalability and data security.
During the lab users will learn how to load data into the Hadoop cluster and run Map-Reduce job.
This hands-on training lab is for system administrators and others responsible for managing Apache Hadoop clusters in production or development environments.

This Lab will cover the following topics:

    1. How to install Hadoop

    2. Edit the Hadoop configuration files

    3. Configure the Network Time Protocol

    4. Create the Virtual Network Interfaces

    5. Create the NameNode and the Secondary NameNode Zones

    6. Configure the NameNode

    7. Set Up SSH between the Hadoop cluster member

    8. Format the HDFS File System

    9. Start the Hadoop Cluster

   10. Run a MapReduce Job

   11. How to secure data at rest using ZFS encryption

   12. Performance monitoring using Solaris DTrace

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