Chapter 10

Backing Up and Restoring Your Azure Data

IN THIS CHAPTER

Bullet Protecting Azure storage accounts

Bullet Backing up and restoring virtual machines and app services

Bullet Protecting your databases

Disaster recovery is your business’s ability to recover from an IT-related failure. Before I get into the specifics of disaster recovery, it’s important you to understand the shared responsibility model in cloud computing.

The Azure services operate on the shared responsibility model. Microsoft is the cloud provider and gives you access to highly available resources that you use on a pay-per-use basis. Microsoft’s responsibility is to provide the infrastructure and specific degrees of high availability as outlined in the service-level agreements (SLAs). A good example is the Azure storage account. Microsoft’s SLA for storage accounts, at least as of this writing, claims the following:

We guarantee that at least 99.9% (99% for Cool Access Tier) of the time, we will successfully process requests to read data from Locally Redundant Storage (LRS), Zone Redundant Storage (ZRS), and Geo Redundant Storage (GRS) Accounts.

This statement means that if your storage account’s blob service falls victim to ...

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