We have looked at a simple iSCSI network solution in iSCSI Network Designs Part 1. We have kept the storage traffic separated from our data for operational reasons. But we are limited to 1GB/s and the port density of the switch.
iSCSI Network Designs: Part 2 – Simple Scaling
iSCSI Network Designs: Part 1 – Introduction and Basics
I am working on a Data Centre that has more than 500 servers and we are considering what our storage strategy should be. This is why I have been looking at FCoE and iSCSI and establishing the benefits (or not). My next few posts will be a “stream of consciousness” on possible designs for an [...]
Rant: How to Fudge Your Statistics ( or Why Ping Is Not a Good Measure)
Statistics on how leaving Media Temple has improved website performance.
Rant: Problems With Media Temple Hosting
I have hosted this blog on Media Temple after a glowing review by some other people. It is now clear that for the last two or more weeks, the web site is often not available as they are having storage problems. It works some of the time and not at others. Some pages are taking [...]
Network Dictionary – Admintastic
Admintastic 1. Term used to describe a system that was otherwise straightforward and easy to use, after a Security Consultant has ‘reviewed’ it. 2. Describing the ease of use of a Checkpoint firewall cluster, deeply sarcastic and derogatory. 3. Term for Change Management excellence.
Lessons in IT Security From the Credit Crunch
I read an article in the Financial Times Corroded to the core: How a staid Swiss bank let ambitions lead it into folly. It struck me how relevant this is to IT Security.
Catalyst 6500 Serial Number – Where Is It ?
Simple but sweet, this just shows you how to get the serial number for all the modules in your Catalyst 6500 switch.
Blue Coat to Acquire Packeteer-Excellent-Outcome
Fantastic news! As a long time user of Blue Coat and Packeteer, I am pretty excited about this. The Packeteer traffic management technologies is a long way ahead of the Cisco queueing strategy, and the Blue Coat product set has plenty of features that hold Cisco at bay in the WAN Acceleration (previously known as [...]
Network Dictionary – Wi-Fi
wi-fi 1. Marketing abbreviation for ‘wireless fidelity’. Intended to convey a message of performance, quality and excellence by extrapolating concepts from ìhigh fidelityî. Of course, wi-fi is nothing of the sort. Using IEEE802.11b, there is not enough bandwidth to do much, and the radio spectrum is so hopelessly compromised and overloaded its surprising anything works. [...]
Wanted: Virtualization Engineer, Referee Exp. Pref. – GigaOM
A post from GigaOM on the divide between Network and Server Engineers and the use of mobility in Virtualized Servers. You know, I was just writing an article on this problem. When you can migrate a server from one side of the data centre to another with the click of button, your network capacity must [...]
