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When Disaster Strikes…
So, everyone would agree that a helping hand is nice to have now and then. Like the time I thought it would be a good idea to skateboard while holding onto my brother’s car as he drove down the...
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Resetting UCS to Factory Defaults
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,...
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UCS Command Line Shells
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....
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ENM Source Pinning Failed – A Lesson in Disjoint Layer 2
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...
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Change Management with Change Tracking, Version Control… and Rollbacks
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...
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Nexus 9508 NX-OS Upgrade Procedure
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...
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Fabric Interconnect booting to bash?
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...
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The Cisco Nexus 9000 – 10 Cool Features
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...
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Erasing a single UCS FI
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...
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Cool New UCS Feature–Firmware Sync
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 UCS...
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