FlexPod makes private cloud easy and profitable
Pros
- Service profile portability - Utilizing san boot, if we have any issues with a physical blade, it is simple to move that Service profile to a new blade. This is also useful when moving chassis between racks or migrating service profiles to new hardware.
- Single point of management - we are able to get all VLANs and VSANs trunked to the FlexPod fabric interconnects and then the server etam can handle mapping whatever VLANs are required to each new server as it is built without having to open a new set of tickets with networking.
- Performance - We are able to run a massive virtual load on these blades as we have 256 cores and 6TB in 6RU in our current configuration (and can go up to 352 cores and 12TB with larger processors and DIMMs). This type of CPU and memory density, backed up by 40GB based backplane, allows for high density virtualization.
Cons
- KVM control of the blades still requires Java. Avocent is using HTML5 now, and it would be nice if the KVM console for these UCS blades could too.
- Price - Like any Cisco product, there are cheaper options. They aren't nearly as fully featured, but at times, it would be nice if UCS could be a bit cheaper.
Return on Investment
- FlexPod has allowed our team to be extremely quick to resopnd to new VM build requests. The amount of RAM, CPU and backplane offered by B series blades allows us to go with very high VM density. The quick deployment of service profile templates also means that when we have to add new hosts, it is done quicker.
- FlexPod and the service profile portability (along with VMware) has allowed for full upgrades and migrations from M1/M2 series hardware to M4 hardware without any downtime or outages to the clients. Blades can be moved into new chassis, or service profiles moved to new generation blades, with no impact to the customers' ability to work.
Alternatives Considered
Smartstack, vBlock and Flashstack
Other Software Used
BladeLogic Automation Suite, PRTG Network Monitor, WhatsUp Gold

