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Hands-On Linux Administration on Azure

You're reading from   Hands-On Linux Administration on Azure Explore the essential Linux administration skills you need to deploy and manage Azure-based workloads

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Product type Paperback
Published in Aug 2018
Publisher Packt
ISBN-13 9781789130966
Length 410 pages
Edition 1st Edition
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Author (1):
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Frederik Vos Frederik Vos
Author Profile Icon Frederik Vos
Frederik Vos
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Table of Contents (18) Chapters Close

Title Page
Packt Upsell
Contributors
Preface
1. Exploring the Azure Cloud 2. Getting Started with the Azure Cloud FREE CHAPTER 3. Basic Linux Administration 4. Managing Azure 5. Advanced Linux Administration 6. Managing Linux Security and Identities 7. Deploying Your Virtual Machines 8. Exploring Continuous Configuration Automation 9. Container Virtualization in Azure 10. Working with Azure Kubernetes Service 11. Troubleshooting and Monitoring Your Workloads 1. Assessments 2. Other Books You May Enjoy Index

Storage


There are two types of storage available in Azure: virtual disks that are attached to the virtual machine and Azure File Shares. In this chapter, both types will be covered. We will be discussing the following topics:

  • Adding a single virtual disk to a virtual machine
  • Working with filesystems
  • Working with multiple virtual disks using the Logical Volume Manager (LVM) and RAID software

Storage provided by block devices

Local and remote storage can be delivered by block devices. In Azure, it's almost always a virtual hard disk that is attached to the virtual machine, but it is possible to use iSCSI volumes as well, delivered by Microsoft Azure StorSimple or third parties.

Every disk attached to a virtual machine is identified by the kernel, and after identification, the kernel hands it over to a daemon called systemd-udevd. This daemon is responsible for creating an entry in the /dev directory, updating /sys/class/block, and if necessary loading a driver to access the filesystem.

The device...

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