Cisco UCS: The Mighty MINI

mighty_mouseCisco UCS servers are not new, but many people have looked the other way simply due to the fact that Cisco, a network company, was making servers. When it comes to scalability, ease of deployment and automation, Cisco UCS is the way to go. I’m a huge fan of UCS, even a bigger fan of FlexPod; which is the joint solution that Cisco and NetApp developed The other reason why some companies have not looked into UCS is due to its Enterprise targeted market.

Cisco was smart enough to put together a similar solution for remote offices and small/medium businesses. Meet the Cisco UCS Mini. The Mini is not new either, but many people are not aware of such solution, so I’m here to do justice to the Mini.

The UCS mini, is not a miniature version of Cisco UCS, but rather a more converged design to save rack space, energy and still deliver enterprise grade capabilities through Cisco UCS Manager. There are very little differences between UCS and UCS mini. Mainly it relates to the networking piece of it, and some scalability limitations.

The traditional Cisco UCS is composed of a Cisco 5108 chassis, blade servers, and external Fabric interconnects among other components. The Fabric interconnects are pretty much Cisco Nexus switches with UCS manager software on them. You connect one or more chassis to the Fabric Interconnects in order to scale without having to deploy an entire new solution. In UCS Mini, there are no external Fabric Interconnects. These components are moved within the same Cisco 5108 blade chassis, and still act as the brain of the solution via UCS Manager.

CIsco_UCSCisco UCS with external Fabric Interconnects



Cisco UCS Mini with internal Fabric Interconnects

The price point for the UCS Mini is much lower than its big brother. So if you are not looking to add several chassis in the near future, the Mini may be a way to get started with this awesome technology. I’m not going to go into details about the capabilities of UCS, maybe on another post, but I do want to highlight that the UCS Mini is an excellent solution for smaller environments. Don’t get me wrong, you can still have up to eight half-width blades (B200) or even the full-width blades (up to four), you can even attach a C-series rack server (pizza box) to the UCS Mini, so you can have tons of horse power here. You still get 1/10GB, FCoE, FC, for a max of 500 Gbps of throughput. So there’s nothing mini about the Cisco UCS Mini, in my opinion.

Cisco UCS: Intro



With the overwhelming amount of marketing fluff directed to potential customers, admins, IT Managers and directors; such potential buyers are skeptical to look into new technology and often decide for status quo as far as the vendor selection.

Some potential buyers are starting to utilize social media to research and help them decide on future purchases, given their unbiased point of view. This brings me to Cisco UCS servers. For a long time I was a big fan of HP blade systems and refused to look into other technologies, and tried to steer away from unknown territory. One day I decided to look into UCS further and take one of their hands-on Gold Labs. Turns out Cisco UCS is a very well thought out solution. HP is a nice solution in my opinion but UCS delivers extra features which results in flexible solutions.

From a high level view, UCS delivers compute, server networking, and management from a single solution. Deploying servers, is as simple as assigning policies to the blade servers as far as server configs, networking policies, etc. This makes deployment fast and guarantees a homogenous deployment model.

One of the many advantages that I really like is the ability to scale out. Adding more chassis and servers do not require running additional cables to the core switches as the fabrics are already connected. New chassis are connected directly to the fabrics and that is it. Making it very simple to add compute when necessary. This is just a high level view of UCS, and I plan to write more about it now that I am such a fan of it.  I hope the information I provide may help others with their decisions and also with solutions, and troubleshooting Cisco UCS.