Post 1 - https://www.guldmyr.com/red-hat-clustering-and-storage-management-course-objectives/ Where I checked out udev, multipathing, iscsi, LVM and xfs. This post is about getting using luci/ricci to get a Red Hat cluster working, but not on a RHEL machine because sadly I do not have one available for practice purposes. So …

Attending "Red Hat Enterprise Clustering and Storage Management" in August. Quite a few of these technologies I haven't touched upon before so probably best to go through them before the course. Initially I wonder how many of these are Red Hat specific, or how many of these I can accomplish …

This week in the SDN course on coursera there were lots of examples of real use of SDN stuff, for example like the B4 WAN by Google. They got a really interesting and cool interview with the Network Lead at Google - Amin Vahdat. And! They actually put this interview up …

Is what I did this week during the SDN Course on Coursera :) Within mininet or with a real OpenFlow capable switch, you can point the switch to use a controller. The controller would figure out all the smart stuff and the switch only does what the controller tells it to …

Halfway now, in week3, and just finished the first programming assignment in the course Software Defined Networking. Quite happy with the course so far, the quizzes are not too hard if you actually listen to the video lectures and after taking Coursera's "Learn to Program: Crafting Quality Code" the python …

Even though I'm on summer holiday I'd squeeze in time for a Software-Defined Networking course on coursera! https://www.coursera.org/course/sdn It's given by a professor from Georgia University. It's still not too late to register, it's only on the second week (until tomorrow Monday 8/7) and …

Mininet Mininet is a network emulator written in Python. With it you can create a test network consisting of many devices, for example inside your laptop. It's a lot more light-weight compared to emulating switches/routers in GSN3. Initially Mininet appears to be more about easily getting working network rather …

Due to somewhat popular demand here's another post detailing the steps for somewhat successfully installing HP P6000 Command View Simulator on Windows 7 x64. It can be a bitch. The older post is from 2011 with CV 9.4, this one also has PA - performance advisory bundled. Download: http://software …

In early April of 2013 Brocade had a great offer - ask for it and you'll get a voucher to an exam - for free! I took them up on their offer and scored a voucher for the BCNE (Brocade Certified Network Engineer). After that I noticed that Brocade also has a …

Ever wanted to do monitoring of a P2000 or MSA2000 from HP? They are in secret Dot Hill hardware, for example DDN also resells these as for example EF3015. There is a nice nagios script written by Tom http://www.toms-blog.com/nagios-hp-msa-p2000-status-and-performance-monitor/ To use that you need an API …