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The Unified Computing Blog

Discussions around unified computing and networking

Last Build Date: Thu, 06 Apr 2017 19:40:44 +0000


Webinar: How to use the Fibre Channel Speedmap

Thu, 06 Apr 2017 19:38:39 +0000

Or alternatively titled, “Shameless Self Promotion – Dave does a webinar!” Tony Bourke and I did a short webinar on the Fibre Channel Speedmap, available here: If you’re interested in a bit of the history of why storage administrators typically talk about BYTES/second while network administrators talk about BITS/second, you might want to give … Continue reading Webinar: How to use the Fibre Channel Speedmap

Brocade’s Flawed FCoE “Study”

Wed, 05 Feb 2014 23:45:04 +0000

Disclosures I do not work for Cisco, Brocade, or any of the companies mentioned here. I do work for a reseller that sells some of these products, but this post (as are all posts on this site) is my opinion only, and does not necessarily reflect the views of my employer or any of the … Continue reading Brocade’s Flawed FCoE “Study”

When your only tool is a hammer…

Tue, 05 Feb 2013 16:10:18 +0000

…everything looks like a nail. Surely everyone has heard this saying, as a way of suggesting that one’s sphere of knowledge is perhaps limited. Indulge me for a moment in an example from my own past. It was the early nineties and I was working on my truck, a 1982 Datsun 4×4 pickup. I had … Continue reading When your only tool is a hammer…

Dave’s Pet Peeves

Sat, 26 Jan 2013 23:18:00 +0000

This post could also be named “Why market share doesn’t matter”, “Why I don’t care what now-standard ideas you invented”, or “What have you done for me lately?” In my career, like most of you, I have sat through too many product presentations, marketing pitches, and technical demos to count. I have talked to countless … Continue reading Dave’s Pet Peeves

Moving on…

Wed, 02 Jan 2013 17:00:25 +0000

And so today begins the next chapter of my processional career. For the last five years, I have held various roles within Firefly Communications, the premier datacenter education partner within the Cisco ecosystem. I started out as a storage instructor and consulting, teaching primarily Cisco MDS courses, before moving into a little known (for some … Continue reading Moving on…

Another “Why doesn’t Cisco…?” post?

Tue, 24 Jul 2012 15:23:49 +0000

On Twitter, @timmylevad said he’d like to see another “Why doesn’t Cisco?” post like I did . So this is a request for your ideas on what you’d like to see in such a post. I’ll try to answer as many as I can. Please add your suggestions as a comment to this post.

Request for help! NetApp gurus, please chime in!

Thu, 19 Apr 2012 20:06:25 +0000

Haven’t used my blog for this purpose before, but figured it couldn’t hurt to give it a shot! I’m not going to have an opportunity to test this until next week, so I’m hoping to get some feedback about whether or not I’m attempting the impossible. I’m trying to see if I can multiple sub-interfaces … Continue reading Request for help! NetApp gurus, please chime in!

Firefly Communications named Cisco 2012 Global Learning Partner of the Year!

Thu, 19 Apr 2012 16:54:32 +0000

While this is my personal blog, I make no secret of who I work for. I’ve thus far refrained from posting anything remotely sales-y or promoting my company, but I’m very proud of this group accomplishment and wanted to share. Every year at Cisco’s partner conference, Cisco awards a small number of partners (out of … Continue reading Firefly Communications named Cisco 2012 Global Learning Partner of the Year!

FCoE vs. iSCSI vs. NFS

Thu, 18 Aug 2011 14:59:10 +0000

The following was just a short note I wrote in an internal discussion about FCoE vs. iSCSI vs. NFS – and spurred by Tony Bourke’s discussion about methods for implementing FCoE. This wasn’t intended to be a detailed analysis, just a couple of random musings.   Comments as always are welcome. —– While NFS and iSCSI … Continue reading FCoE vs. iSCSI vs. NFS

Why do I need an active uplink to use an appliance port?

Fri, 18 Feb 2011 18:30:28 +0000

Reader Peter sent the following question as a comment to my Direct Attach Appliance Ports post. When I connected my NAS to use the appliance port, in order for the vnic of the blade server to communicate with the NAS, i found that there should be a connected uplink port in the 6100 even though … Continue reading Why do I need an active uplink to use an appliance port?