For an organisation to thrive, one of the most important factors is to have a backup plan when things don’t work out. Businesses should be able to recover from all kinds of catastrophes with minimal downtime. Service downtime as a result of natural disaster, human made disaster and operational failures directly add to monetary losses due to the short and long-term impacts.
To overcome business downtime, there should be a reliable and fool-proof disaster recovery strategy.

Azure Site Recovery (ASR) makes it possible for businesses to minimise service downtime as it orchestrates and manages disaster recovery for both physical servers and Windows, Linux, Hyper-V and VMWare Virtual machines.

ASR provides two types of functionality;

1. Replication – Replication synchronises the contents of the operating systems and the data disks attached to the servers and virtual machines hosted on either Azure or in the on-premises environment, between the primary site and the secondary site

2. Orchestration – Orchestration is responsible for seamless failover and failback between the primary and the secondary sites, if a disaster affects the primary site

Azure Site Recovery Business Continuity and Disaster Recovery Strategy


Azure Site Recovery offers two primary BCDR strategies;

1. Azure Site Recovery Services: Azure Site Recovery enables business continuity by taking over the task of running the business applications and workloads that happen during outages.

2. Azure Backup Service: Azure Backup Service keeps the data backed up safely in Azure to be recovered when needed.

Azure Site Recovery Variants


• Azure to Azure: Microsoft Azure offers an option to replicate virtual machines from one geographical region to another.

• On-premises to Azure: ASR also lets you replicate on-premises virtual machines and physical servers to Azure. Changes made in these machines are replicated instantly to the Azure storage account. If your organisation faces a service downtime, an Azure VM can be created within Azure and resume work with minimal service downtime. This is very convenient for businesses since they only pay for the storage used.

• On-premises to On-premises: In this scenario, site recovery is solely responsible for managing the migration of the data among the primary and the secondary site and only acts as a communication channel between them.

Why Azure Site Recovery?


Other traditional disaster recovery models are expensive and time-consuming to implement, but ASR makes it possible for businesses to unlick a variety of features that were not possible for organisations to attain at an enterprise level.

Click here to read this article with the most frequently asked questions on Microsoft’s Azure Site Recovery.


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