Azure Recovery Services – Part 2 – Site Recovery

Santosh Gaikwad

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Today businesses are completely dependent on IT, and if any of the systems goes down due to unexpected events, can be natural or artificial, then it creates bit impact on business. Hence most of the companies are investing heavily on Business continuity and Disaster Recovery (BDCR). Going further, corporates want not only data redundancy at application level but also at data centers level.

Microsoft Azure Provides a solution with Azure Site Recovery.

Azure Site Recovery

Azure Site Recovery (ASR) is a Software as a Service (SaaS) solution as a part of Microsoft Operations Management Suite (OMS) which is a Management as a Service offering from Microsoft. ASR allows you to enable failover of on-premises virtual (Hyper-V, VM-Ware) or physical machines and apps by replicating them so that when disasters and outages occur you can easily fail over to your replicated environment and continue working. When services are resumed you simply failback to your primary location with uninterrupted access.

In short Site Recovery is used to automate and protect your on-premises workloads running on Hyper-V & VMware virtual machines and physical servers to Azure or a secondary datacenter.

It allows different types of data replications as follows.

1. Locally Redundant Storage (LRS)
2. ZRS (Zone Redundant Storage)
3. GRS (Geo Redundant Storage)
4. RA-GRS (Read only – Geo Redundant Storage)

Azure site recovery can be used for VMs of any operating systems, also gives an option to integrate with existing business continuity and disaster recovery solutions.

Site Recovery helps protect a wide range of Microsoft and third-party workloads, It supports heterogeneous environments as follows

1. Hyper-V
2. VM-Ware
3. Linux
4. Windows
5. Also provides support for AWS

Backup VS Site Recovery

Traditionally there is not a clear differentiation between backup and disaster recovery for most customers, this leads to confusion for them.

But there is a major difference between just a backup and disaster recovery, and we realise that when we run into a situation where we need to perform either restore or a DR failover.

Microsoft Operations Management Suite (OMS) backup and recovery is one stop solution for a requirement to manage backup and recovery scenarios regardless of clouds, locations and workloads.


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