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When in the distant 2001 the VMware ESXi hypervisor appeared on the market, a virtual revolution started that began the end of the era of personal computers with the programs installed on them. This event opened a new era in the development of computers and software – client-server technologies and cloud computing technologies.
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This is the third and the last article in the series related to How to build a Cluster based on VMware. In the first article, we saw Cluster Technologies types and understand how to install VMware ESXi, in the second article we look at how to deploy the vCenter Server Appliance (VCSA) 6.5., and now we will look at how to configure VMware HA Cluster.
In the previous article “Building a Cluster based on VMware (part I) we saw Cluster Technologies types and understand how to install VMware ESXi. To create a cluster of ESXi hosts, we need to install vCentre. In this part, we’ll look at how to deploy the vCenter Server Appliance (VCSA) 6.5
To build a cluster, VMware uses from 2x to 32x ESXi servers that are managed using vCenter. To build a cluster, you also need a shared store. It can be implemented with VMware vSAN or with storage support providing access via Fiber Channel, iSCSI or NFS. The storage stores the virtual machine files that are available to all the cluster hosts at the same time. It is due to the overall storage and independence of the virtual machine from the physical platform that rapid migration/recovery of virtual machines is achieved.
Automating every single task is one of the biggest challenges for every SysAdmin. Either you work on-premise or with Azure, you must automate most of your day-to-day task in order to save your time. In this article, I would like to introduce Azure Automation which is a software as a service (SaaS) application and a wonderful tool in order to automate repeated tasks. Nowadays, every SysAdmin should try to keep its IT infrastructure up and running.
Managing snapshots, or at least using a tool that manages the snapshots for you, is a very common scenario for any IT admin today. Windows clients have this option available for a long time, storage systems leverage snapshots for several processes, but probably the most well-known scenario we see snapshots today are backups. Microsoft just announced they are offering, as a public preview, the snapshots functionality for Azure File Shares.
“Availability Zones” main concept resides on offer fault-isolated locations within an Azure region, which provides redundant power, cooling, networking and any other component related to Azure’s datacenters. The mission for these availability zones is to, of course, provide high availability for workloads running in these datacenters to guarantee resiliency in case of an outage.
It should not be any big surprise for anyone that security improvements, new security features and products are a top priority for most cloud providers. The huge financial impact the latest security breaches are generating within the market are highly noticeable, therefore the distrust from customers around cloud services are rising. Microsoft just announced the concept of Confidential Computing, a concept to allow encryption of data while in use.
This article intended to give basic walkthrough on how to set up an Azure Active Directory instance and demonstrate some simple example of what you can do with it once it has been set up – sort of AAD “show and tell”. I believe a lot of people prefer hands on approach, where you trying to use technology right off the bat, throwing glances at documentation as necessary. This blogpost can be a good starting point for such type of learning journey.
Microsoft continues leading the pack of cloud providers regarding region locations, just announced two new regions in Australia. But that’s not all, the Government version of Azure announced availability for the Azure Site Recovery and Azure Backup features in all Gov regions in the US.