![]() This agent is installed on each virtual machine that is protected and is responsible for sending changed data to the Process Server so it can be shipped to the Azure Vault. A Linux Master Target server also needs to be installed for Linux servers.Ī Mobility Services Agent is the last component of the ASR topology. It should be noted that a Master Target Server can only fail servers of the same type of operating system so that a Windows Master Target Server cannot fail Linux servers. Master Target Servers are required only during operations of failback. ![]() If a single Process Server is unable to scale up large enough to protect your workload, it is possible to take a scale-out approach and deploy additional process servers. Depending on the size of the workload to be protected, process servers have CPU, memory and disk requirements. ![]() The component of the Process Server is what processes and transports the protected data to the Azure Vault. Two other components, a Process Server and a Master Target Server, will also be installed on your main Config Server by default. A Config Server is a central administration server that communicates with the Azure Vault and performs on-site jobs. These components are downloaded and installed on a Windows machine in your on-site datacenter from the Azure Vault configuration wizard.Ī Config Server is the first server you install. So, remember that ZVR may be richer in features, but it may also cost a little more than ASR as well.įour major components are needed to replicate the Azure Public Cloud from Azure Site Recovery on – site. One such cost is the compute instance running the Zerto Cloud Appliance, and the other is the cost of connecting to a VPN or ExpressRoute. Both solutions also require you to pay for the storage that your replicated workload consumes, but for Zerto there are a few additional costs that ASR does not need. ASR’s list price is $ 25/month per protected VM and ZVR is approximately $ 21/month per protected VM. When compared to a monthly subscription bases, ASR and ZVR are very similar in terms of costs. But as the number of protected workload increases, the necessary ASR infrastructure can become overwhelming and the scalability ease of ZVR becomes much more evident. The installation requirements for each product are unique and ASR is a clear winner in terms of ease of installation and speed for customers who only need to protect some VMs on a single Hyper – V host. This is because both physical workloads and workloads based on VMware are based on ASR. In theory, if the operating system is supported in Azure, any physical or virtual machine can be replicated with ASR. Today only the source is supported by VMware vSphere and Microsoft Hyper – V. Zerto has no support for physical workload and is limited in terms of supported workloads from the source. One of ASR’s major advantages is that it can protect Azure’s physical workloads. Failback is also another area where Zerto shines above ASR as the required networking is already configured and a single check mark can be used to enable reverse replication. The purpose of this document is not to be a kill sheet for one or another product, but rather to highlight the pros and cons of each product in relation to VMware virtual machine replication in the public cloud of Microsoft Azure.īoth products are very capable of fulfilling the above-mentioned task at a high level, but as this article will show, each product has advantages over the other depending on the workload that needs to be protected.įor example, while it takes a little more time to initially configure Zerto Virtual Replication, it includes more time – saving workflows not only for disaster recovery but also for migration and testing. Here’s our step by step guide, why ASR and ZVR are very different from each other and meet different levels of performance and usability.Īzure Site Recovery (ASR) and Zerto Virtual Replication (ZVR) are both great products that can help any IT organization to improve the success rate of their disaster recovery plan. Cloud consumers generally ask “What are the differences between Azure site Recovery (AZR) and Zerto Virtual Replication (ZVR)?’” The very first reason consumer ask this potential question is because they are familiar with one of the technologies and not the other and on the surface, they sound similar.
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