![]() If you are not familiar with CNAs – yes, there is no physical segmentation between NICs and HBAs. The blade servers host a CNA (Converged Network Adapter) that supports both Ethernet and FCoE (Fibre Channel over Ethernet). Just like other load balancing solutions. Each appliance receives a physical IP address from the same management subnet and a virtual IP is shared amongst both of them. Inside USCM there is a Linux OS built-in into a flash ROM and a Web Server hosts a Java app that provides the management interface. UCSM seats on top of the blade chassis and are responsible for the overall management of the UCS stack. These appliances are sold in pairs and bundled with UCS chassis and are clustered (Active/Passive) for redundancy purposes. UCSM runs on a Cisco USC 6120 Series Fabric Interconnects and supports 20 north (upLink) and southbound (downLink) connections or ports (6140 has 40 ports). It discusses products within the UCS range at a component level, such as blade and rack mount server offerings, and lastly highlights some of the larger benefits that can be gained through the pairing of x86 virtualisation and UCS technology. This paper provides insight into both the Cisco Data Centre 3.0 strategy, and UCS, which is a key enabler to DC 3.0. UCS (Unified Computing System) is Cisco’s first entry into the x86 server market. In few words, UCS is a BladeCenter chassis that integrates compute, networking and Storage (FCoE) at backplane level whilst adding management capabilities through UCSM (USC Manager). I had this post pre-written from a while ago and was not going to publish it, but as people still ask me about UCS I decided to publish it.
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