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Redundancy in the Cloud

Traditionally, large corporations have either maintained their own data centres, or rented rack space in a data centre managed by another company. Redundancy, in this context, has to be maintained on several levels: Power Two or more independent supplies, each capable of maintaining the load in the event of supply failure Uninterruptible power supplies capable of carrying the load until power is restored or backup generators are brought online Cooling Two or more Heating, Ventilation and Air Conditioning (HVAC) system...

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Device42 – a flexible CMDB

Maintaining accurate information about the entire IT infrastructure has proven to be surprisingly difficult. The IT Infrastructure Library (ITIL) uses a Configuration Management Database (CMDB) as an integral part for IT infrastructure operations and support. A CMDB is meant to contain accurate, relevant and up-to-date information about hardware and software components and their relationships to each other within an organisation. Ultimately this provides among other things the information to reduce risks to the environment by e.g. knowing the impact of changes to the environment. Configurat...

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Container Services on Microsoft Azure

Containers are one of the most topical areas in cloud computing. In the last couple of years, container based services have become increasingly popular for both on-premise and public cloud. This blog will explore the container services provided by Microsoft Azure and cover the basic concepts of Microsoft Azure Kuberetes Service (AKS), Azure Container Registry (ACR) and Azu...

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Infrastructure as Code and Documentation

As the shift of IT infrastructure from private kit in physical racks to Public Clouds and “everything as a service” accelerates, many businesses are finding out that their Cloud projects are getting stuck when dealing with the documentation. Some common signs you might have this problem: The documentation took longer to complete than it did to build the Cloud tenancy. Our Cloud tenancy has been in production for a month and the documentation we have for it is already out of date. Our tenancy documentation is just comments in code and we can’t tell at a g...

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How do you do backup?

Since the very earliest days of computing, a major concern for systems managers has been the question of disaster recovery. Making copies of data, and getting those copies offsite, is one of the two biggest problems in ensuring that disaster recovery is possible. (The second is, of course, making sure that those copies are actually usable at recovery time.) Historically, this has been done by shipping tapes offsite. Over the past ten to twenty years, backing up across geographically disparate data centres became a realistic option. And now, the major cloud providers - Amazon, Azure, and Google...

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Azure Management Groups

Azure Administrators and IT Finance teams know the feeling of subscription sprawl all too well. Without a well thought and governed plan, customers with a Microsoft Enterprise Agreement (EA) endure subscription after subscription after subscription with minimal management and confused billing. Management Groups is a new Azure based service that can be used to resolve those issues. A Management Group can be configured with permissions and policies that can be applied to govern a like set of subscriptions, similar to how Resource Groups are designed to govern Resources with a particular lifec...

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DC Modernisation, what is it?

Diaxion has been mobilising this year to help you, our clients, around the growing urgency on DC modernisation. What does this mean? It is, as with many significant IT changes, clouded (sorry for the use of the word cloud ☺ ) in mystery and vagueness. But essentially it is all encompassing steerage of IT infrastructure, hybrid cloud, service delivery culture, channel delivery and automation / DevOps. What do we mean by that? For us it is the following: How do you transform from your current legacy state with people, process and technology constraints The morph of your o...

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Containers – What more do you need?

Definitions There are a number of important terms which come to mind when discussing containers, DevOps, CI/CD and agile : Canaries / Canary testing : Canary tests are minimal tests to quickly and automatically verify that all dependencies are satisfied. Canary tests are run before other time-consuming tests, and before wasting time investigating code. See also Sentinel Species. Immutable / Mutable : In object-oriented and functional pr...

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What is an Operating Model to you?

Intro Business, IT and Management press is full of terms like "digital transformation", "new ways of working", "change your operating model", "adapt" and, "new normal" but there is little on what that means in real terms or how to address these issues in a practical manner. This seems to be left to very expensive consulting organisations with lots of MBA's, who have a habit of sweeping in, trying to change everything and then walking (running) away, leaving you with a large hole in your pocket. The key to addressing the need to change these issues is having the right operating mod...

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Which ServiceNow Module is best for you?

More and more companies are using ServiceNow as the preferred platform to manage their ITSM environment, orchestrate and automate tasks, and facilitate services. However, many of the capabilities that clients are paying for are underutilised. Diaxion can help to make the most out of the following modules in ServiceNow. ITSM module Incidents - Running analysis on the incident records and grouping them into categories will reveal how incidents can be routed to the appropriate support groups without staging at the Help Desk. This will reduce resolution time. ...

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