Cisco, VMware: Cisco UCS B200-M1 VMware Consolidation Ratio
We have had our new Cisco UCS blades in production for a while now, but have just completed the migration of VMs from our old cluster to UCS recently. I knew going in that the 1/2 width blades were powerful enough but we were only able to order them with 48gigs of RAM. I had hoped that would hold us until next year when we could get more hardware in. It is unlikely, but we might just barely scrape by.
There are a total of 7 blades in our VMware environment, but only 5 of those are dedicated to our main HA/DRS cluster. That gives us ~240 gigs of RAM for the main cluster. Currently, I am seeing a VM consolidation ratio of about 24 VMs (virtual machines) per B200-M1 blade. The limitation here is definitely the RAM. The CPU itself is less than 25% utilized per blade. Below is a screenshot of a B200-M1 host in our cluster.
Cisco UCS B200-M1 VM Ratio
Notes: The VMs running on the above host are
Operating system utilization