Category Archives: Data Center Infrastructure

vCloud Director Architecture Primer

I do some consulting for a company who’s legacy business is in decline, and they are working to transition towards new Internet-based services. Good plan.  So they’ve hired a whole army of new developers to write these new Internet-facing applications and services. And these developers are looking for virtual machines…  Lots of virtual machines. They… Read More »

Rethinking Your Choice of Hypervisor

In a few short years it seems like most enterprises have transitioned to virtual infrastructure in a pretty big way.  How many of your servers are VMs now, 50%?  70%?  The key enabling technology in this transition has clearly been VMware vSphere.  They have been the market leaders up to this point in terms of… Read More »

OpenStack – I need how many NICs?

I’m currently working on an OpenStack deployment.  Looking at the documentation and the various deployment scenarios, each host appears to require at least two if not three or four network interface cards, depending on the OpenStack services running on that particular host.  For me, and I suspect for a lot of enterprises, this just isn’t… Read More »

Blades – Cisco Nexus – and Converged Networking

Converged networking enables storage and data network traffic to share adapters, network links and switches at least part of the way through your data center, before splitting up and going their separate ways. What’s the point? Cost savings and the ability to simplify your design. When you look at the cost of connecting your servers… Read More »

3PAR StorServ 7000: Enterprise-class Midrange Storage

HP recently debuted their latest storage array, the StorServ 7000.  I’ve been a big fan of 3PAR storage since I deployed a couple of their larger P10000 arrays back in 2010-2011.  I wrote about them in the articles, 3PAR P10000 Storage System Review and 3PAR Storage Provisioning. The 3PAR arrays use ultra-wide striping, essentially striping all of the… Read More »

Cost Efficient Storage Strategy

SAN storage ain’t cheap.  It’s probably the most expensive piece of hardware in your data center.  I remember when SAN storage first came on the scene, and it was supposed to bring storage costs down compared to the sprawl of locally attached storage that we had back then.  Well, costs didn’t come down, they’ve only… Read More »