Monthly Archives: July 2011

Some Highlights from Pulse 2011

Hopefully if your were in Melbourne last week you made it to the IBM Pulse 2011 conference at the Crown Promenade.  It was a great success and with 850 attendees, the facilities were packed, especially the main hall. My highlights?   Well apart from visiting the IBM developerWorks stand and getting a free IBM floppy disk T-Shirt…

Spot the differences

As a child I used to love the spot the difference cartoon in the Sunday paper.You usually had 10 differences to circle… and I could never find the last one.Look carefully at the two machines below.  Can you spot the differences? It’s an XIV Generation 2 on the left and an XIV Gen3 on the right.

Brocade SAN Switch Models

IBM has been selling IBM branded Brocade switches since 2001 when we announced the 8-port 2109-S08 and 16-port 2109-S16.   These were classic switches that ran at 1 Gbps. They had a front operator panel with a small keypad (a feature which in the rush to fit in more SFPs, did not appear in future

Kangaroo Hops with Brocade

Posted on July 18, 2011 by avandewerdt (image care of If you have Brocade fibre channel switches in your SAN, you need to be aware of the method which Brocade use to manage firmware releases.   All  4 and 8 Gbps Brocade SAN switches use a Linux based firmware which Brocade call Fabric Operating System or FOS.   Updates

A Farewell to Singapore

Just a quick post as I am leaving Singapore to return to Melbourne, I thought I would share two more photos with you. No trip to Singapore is complete without a visit to the Merlion, the mythical creature who acts as a mascot for Singapore.  The fish body represents Singapore’s origin as a fishing village when

Nehalem and XIV Gen-3

XIV Gen 3 modules are built on a new generation of Intel microprocessors based on theNehalem micro-architecture. Nehalem is the most profound architecture change that Intel has introduced in the 21st century.  Some of the key changes and their benefits are: Integrated memory controller: The memory controller now sits on the same silicon die as the

A brief history of XIV

Today IBM is announcing a new member of the XIV family, which we are calling XIV Gen3.   I thought I would give a brief history of how we got here before I get too carried away with details. What was Generation 1 of the XIV? In 2002 an Israeli startup began work on a

How can I test Storwize V7000 Node Canister failure?

I have received this question several times, so it’s clearly something people are interested in. The Storwize V7000 has two controllers known as node canisters. It’s an active/active storage controller, in that both node canisters are processing I/O at any time and any volume can be happily accessed via either node canister. The question then gets

A tale of three cities

I think this picture speaks for itself:   Three XIVs.  Three cities.  Three way iSCSI. All the mirror connections were created in seconds using drag and drop in the XIV GUI.I can now take a volume in one city and mirror it to another. And yes…. IBM Australia now has a demo XIV in each

Seven reasons to adopt Storage Virtualization

Over at they recently published an article entitled Six reasons to adopt storage virtualisation.   You can find the article here.     The six given reasons are: Storage virtualisation reduces complexity Storage virtualisation makes it easier to allocate storage Better disaster recovery Better tiered storage Virtual storage improves server virtualisation Virtual storage lets you take advantage of advanced virtualisation