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Last Build Date: Wed, 11 May 2016 16:41:43 +0000

 



Disaster is knocking–don’t let it in.

Fri, 06 May 2016 14:48:44 +0000

[This article was originally posted by me on March 24, 2016 on NebulousIT.com] So, anyone familiar with computers and networking knows that disasters are not a question of IF…they are not even a question of WHEN….they are a statement of … Continue reading



Cool New UCS Feature–Firmware Sync

Thu, 01 May 2014 13:30:00 +0000

So, I had to fix a broken UCS fabric interconnect the other day and I wrote about it here. In that experience, I came across a new feature that is pretty cool. I wish I could say which version of … Continue reading



Erasing a single UCS FI

Mon, 28 Apr 2014 12:30:00 +0000

So, I recently noticed that nowhere on the web (that I could find) is it documented what happens when you run “erase configuration” on a single Fabric Interconnect that is part of a cluster. Does it erase the configuration on … Continue reading



The Cisco Nexus 9000 – 10 Cool Features

Thu, 24 Apr 2014 12:30:01 +0000

So, the smart guys and girls in San Jose have been working day and night (literally) to bring you Cisco’s latest Nexus switch family – the Nexus 9000. It includes both the modular 9500 and the Top-of-Rack 9300. I wrote … Continue reading



Fabric Interconnect booting to bash?

Tue, 22 Apr 2014 21:17:24 +0000

So, I thought I’d share an experience I had yesterday where my Cisco UCS Fabric Interconnect (FI) wasn’t feeling well and in my attempt to resurrect it, I seemed to break it even more. I’m sure that never happens to … Continue reading



Nexus 9508 NX-OS Upgrade Procedure

Thu, 27 Mar 2014 21:50:31 +0000

So, if you haven’t heard, I’m in a different role at Cisco. I’m now working on our Nexus 9000 (N9K) and ACI initiatives. It’s an exciting time to be here and feels similar to the launch we did with UCS … Continue reading



Change Management with Change Tracking, Version Control… and Rollbacks

Wed, 02 Oct 2013 15:10:20 +0000

So… what we’re going to discuss here is a method by which you can implement some mechanism for change management, version control and rollback ability in UCS through service profile templates, but first, I’d like to give a little background. … Continue reading



ENM Source Pinning Failed – A Lesson in Disjoint Layer 2

Mon, 29 Apr 2013 16:22:11 +0000

So, today’s article is on VLAN separation, the problems it solves, and the problems it sometimes creates. Not all networks are cut from the same cloth. Some are simple and some are complex. Some are physical and some are virtual. … Continue reading



UCS Command Line Shells

Fri, 12 Apr 2013 13:30:55 +0000

So, about 2 years ago I was with a customer who had opted to purchase UCS over their incumbent HP hardware for their private cloud build. As a first step, we upgraded the firmware on the UCS system. What I … Continue reading



Resetting UCS to Factory Defaults

Thu, 04 Apr 2013 17:11:57 +0000

So, way back in early 2009, Sean McGee and I decided to work over the weekend in San Jose to get more stick time with “Project California” as UCS was called then. We borrowed a system from someone, backed it … Continue reading