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Snapshots and Images

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Overview
DifficultyBeginner
Duration1h 24m
Students6112
Ratings
4.6/5
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Description

This course is intended for those who wish to learn about the basics of Microsoft Azure storage, covering the core storage services in Azure and the different storage account types that are available. You'll watch a demonstration that shows you how to create a storage account in Microsoft Azure.

The course then moves on to look at the storage services in more detail: blob storage, Azure Files, Azure Queues, Azure Tables, and Azure disks. We'll also cover encryption, bursting, snapshots, and images.

This course contains hands-on demonstrations from the Azure portal so that you can see the concepts covered in this course put into practice. If you have any feedback relating to this course, feel free to reach out to us at support@cloudacademy.com.

Learning Objectives

  • Define the major components of Azure Storage
  • Understand blob storage and what it offers
  • Understand how to use Azure Files
  • Learn about Azure Queues and how to create a queue
  • Learn why and when to use an Azure Table
  • Learn about managed disks, the different disk roles, and the different disk types that are available with Azure Disks

Intended Audience

This course is intended for anyone who wants to learn the basics of Azure Storage.

Prerequisites

To get the most out of this course, you should have a basic understanding of the Microsoft Azure platform.

 

Transcript

Hello and welcome to Snapshots and Images. In this lesson, we're going to take a look at disk snapshots, custom images, and the differences between the two.

When you take a managed disk snapshot, what you get is a crash-consistent copy of that disk. This crash-consistent copy is then stored as a standard managed disk. A snapshot is a good way to backup your managed disk prior to performing any kind of patching or upgrade on your virtual machine. By taking a snapshot of the OS disk of a VM prior to making changes, you can ensure you have an easy way to roll back your changes. You can even use snapshots to create new managed disks that you can attach to other virtual machines.

In addition to supporting snapshots, managed disks also support the creation of custom images. Custom images can be created from VHDs that reside in a storage account and from generalized virtual machines. When you capture an image of an Azure virtual machine, the image will contain all managed disks that are associated with the VM. This includes the OS disk and any other data disks that are attached.

Custom images are often used as gold images because once you have a generalized custom image, you can then deploy as many VMs as you need right from that single custom image.

I should point out that snapshots and images are often confused with one another or conflated, so let's set the record straight here. A snapshot is actually a copy of a specific disk at a specific point in time. That being the case, it applies to only one disk. If you have a VM with more than one managed disk attached, a single snapshot will only include the disk that you took the snapshot of.

An image of a VM, however, includes all disks that are attached to the VM being imaged. Over the next few demonstrations, I'll show you how to work with snapshots and images.

About the Author
Students19682
Courses36
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Tom is a 25+ year veteran of the IT industry, having worked in environments as large as 40k seats and as small as 50 seats. Throughout the course of a long an interesting career, he has built an in-depth skillset that spans numerous IT disciplines. Tom has designed and architected small, large, and global IT solutions.

In addition to the Cloud Platform and Infrastructure MCSE certification, Tom also carries several other Microsoft certifications. His ability to see things from a strategic perspective allows Tom to architect solutions that closely align with business needs.

In his spare time, Tom enjoys camping, fishing, and playing poker.