Thursday Sep 06, 2012

WAIT-VHUB ? Whats Going On ?

A quick fix to resolve wait-vhub condition while working with EoIB and InfiniBand partitions.[Read More]

Monday Mar 19, 2012

InfiniBand Enabled Diskless PXE Boot

If you ever need to bring up a computer with InfiniBand networking capabilities and diagnostic tools, without even going through any installation on its hard disk, then please read on. In this article, I am going to talk about how to boot a computer over the network using PXE and have IPoIB enabled. Of course, the computer must have a compatible InfiniBand Host Channel Adapter (HCA) installed and connected to your IB network already.

[Read More]

Saturday Mar 10, 2012

Shark Attack on InfiniBand

Grab your magnifying glass and join us in viewing InfiniBand packets closer than ever before. Use Wireshark and Mellanox' ibdump tool to capture InfiniBand packets for offline analysis.

[Read More]

Friday Mar 09, 2012

Advance Routing for Multi-Homed Hosts

Scenario based discussion on enabling access to a host across multiple routers and network. Use of Linux Advance Routing through iproute2 tool set. Comparison on when to use static vs. multiple default routes.

[Read More]

Thursday Mar 01, 2012

Deployments over InfiniBand Infrastructure

What actually drives network requirements ? Use of InfiniBand Partition Keys to create isolation between functional groups of servers. Sample use case illustrating how to design internal InfiniBand networks. Application consolidations and their association with different isolated networks on InfiniBand.

[Read More]

Tuesday Feb 14, 2012

Networks and Virtualization

Technical discussion on an approach to achieve virtualization through network layers. Comparison between InfiniBand Partitions and Ethernet VLANs. Consolidation and Isolation of logical network channels leading to virtualization. How to satisfy computing platforms need to be multi homed ? If these are topics of interest to you, then read on.

[Read More]

Monday Feb 13, 2012

Switches Inside Oracle's Engineered Systems

An introduction to Oracle's InfiniBand switches providing immense bandwidth and high speed connectivity inside latest Engineered Systems. Brief comparisons, topology builds and overall network layout information.

[Read More]

Friday Feb 10, 2012

InfiniBand Building Blocks

In the context of Oracle's Engineered Systems, I am going to explain how an InfiniBand network is actually created using various building blocks of hardware and software. Includes a very basic view of a host participating in IB network and their connectivity to achieve redundancy and high availability.

[Read More]

InfiniBand Vocabulary

Introducing some most common keywords, abbreviations and terms used in InfiniBand world. Steering our way into further understanding of this technology.[Read More]

Friday Feb 03, 2012

InfiniBand: What about it ?

An introduction to InfiniBand technology providing insight into how it compares with Ethernet and provides seamless access from applications.[Read More]
About

You have connected here over internet and already using the technologies under the hood for Networking and may be wondering how things work ?

This blog space will present you with various topics related to Oracle's Products and their close association with Networking. My goal is not to overwhelm you and I will try my best to present information in simple way.
Stay tuned !


About Author: Hi, I am Neeraj Gupta at Oracle. I worked at Sun Microsystems for 11 years specializing in InfiniBand, Ethernet, Security, HA and Telecom Computing Platforms. Prior to joining Sun, I spent 5 years in Telecom industry focusing on Internet Services and GSM Cellular Networks.
At present, I am part of Oracle's Engineered Systems team focused on Networking and Maximum Availability Architectures.

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