About this blogThis blog is mostly about my pursuits in Data Science. Previous blog entries also dealt with storage, compute, virtualization and professional services. Currently the focus is on Data Science, including Big Data, Hadoop, Business Intelligence, Data Warehouse, Data Integration and Visualization. From time to time I will blog about other things of interest. The opinions expressed in this blog are entirely my own and should not be taken as the opinion of my employer.
Tag Archives: CCIE Storage
I found out today that I passed the CCIE Storage lab! It was a long and stressful journey and I glad I have finally made it. I took my lab on Tuesday Oct 12, 2010 in San Jose. San Jose … Continue reading
As most of you know I have been studying for the CCIE Storage Networking exam for quite some time. My first goal was passing the written, which involved using a number of sources, many of which I talk about on … Continue reading
An FCIP tunnel made of Ethernet Port Channels or a FC Port Channel made of FCIP tunnels, which is better?
The Cisco MDS switches support many different ways you can connect them with both fibre channel and ethernet. Some modules do not support all of the features, but they are available in the architecture. For example the MDS 9216i and … Continue reading
Here is something you may not know, I know I was not aware. FICON is only supported in specific versions of SAN-OS / NX-OS. So you may see all kinds of strange behavior, as I have been seeing and reported … Continue reading
Update: This looks like it’s Cisco internal bug CSCed28478 – prohibit should not be allowed for E ports I am currently using SAN-OS 3.3(5a) but have also tried this on SAN-OS 3.3(5). If you configure FICON with ficon port default-state … Continue reading