Welcome to the Flackbox blog, where my aim is to help you build your cloud and data center career. If you’re looking to widen your knowledge across server, networking and storage technologies then you’ve come to the right place. I regularly upload training video tutorials featuring vendors such as Cisco, NetApp and VMware.

NetApp Cluster, Management, Data and HA Networks Tutorial

Posted on July 31, 2019 By

NetApp Cluster, Management, Data and HA Networks

In this NetApp training tutorial, I will describe the different networks that NetApp ONTAP storage systems are connected to; the Data Network, Management Network, Cluster Interconnect, and High Availability connection. Scroll down for the video and also text tutorial. NetApp Cluster, Management, Dat...

NetApp WAFL, NVRAM and the System Memory Cache

Posted on July 19, 2019 By

NetApp WAFL, NVRAM and the System Memory Cache

In this NetApp training tutorial, we will look at how reads and writes are handled and performance optimised in NetApp ONTAP by WAFL, NVRAM and the System Memory Cache. Scroll down for the video and also text tutorial. NetApp WAFL, NVRAM and the System Memory Cache – Video Tutorial [youtube v ...

RAID Storage Overview – Video Tutorial

Posted on July 13, 2019 By

Storage RAID tutorial

In this SAN and NAS Storage tutorial, I explain what RAID is, how it works, and the differences between the different RAID types. Depending on what you’re reading, RAID stands for either “Redundant Array of Inexpensive Disks,” or “Redundant Array of Independent Disks.”...

Cisco CCNA, CCNP, CCIE MAJOR Updates 2020

Posted on June 11, 2019 By

Cisco CCNA, CCNP, CCIE Certification MAJOR Update - Changes in 2020

In this Cisco CCNA training tutorial, you’ll learn about the major updates coming to the Cisco Certification Program in February 2020. I’ll explain exactly what the changes are, why Cisco have made those changes, how they affect you and what you should do if you’re currently stud...

Udemy Sale – 80,000+ Courses for $9.99

Posted on June 5, 2019 By

Udemy Legacy Sale

Udemy.com are biggest marketplace for online courses and they’re offering legacy pricing of $9.99 per course this week – it’s the best time to stock up on all the IT training you want to take over the next few months. This gives you a chance to make a long term investment in your futur...

FCoE Fibre Channel over Ethernet Overview

Posted on May 9, 2019 By

FCoE Fibre Channel over Ethernet tutorial

In this SAN and NAS Storage tutorial, I cover the SAN protocol Fibre Channel over Ethernet (FCoE). FCoE became possible with the advent of 10Gb Ethernet which has enough bandwidth to support both data and storage traffic on the same adapter. Scroll down for the video and also text tutorial. Want t...

The 11 Top Benefits of SAN and NAS Storage

Posted on April 12, 2019 By

Benefits of SAN and NAS Storage

This SAN and NAS Storage tutorial covers the benefits of external SAN Storage Area Network and/or NAS Network Attached Storage storage, as compared to DAS Direct Attached Storage which is dedicated to one particular server. That could be internal hard drives or an external enclosure. External SAN a...

iSCSI SAN Overview – Video Tutorial

Posted on March 28, 2019 By

iSCSI Storage Overview

In this SAN and NAS Storage tutorial, I cover the iSCSI (Internet Small Computer System Interface) SAN protocol. iSCSI runs over Ethernet networks and was originally designed as a less expensive alternative to Fibre Channel.   It has higher packet overhead and has traditionally been seen as ha...