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1.!Nutanix Virtual Computing Platform...................................................................................................4!2.!Backup.................................................................................................................................................5!Unlimited VM-centric Snapshots.........................................................................................................................................5!Hybrid Cloud Deployments with Cloud Connect................................................................................................................7!3.!Disaster Recovery................................................................................................................................9!Remote Replication..............................................................................................................................................................9!Metro Availability..............................................................................................................................................................10!4.!Ecosystem Integration.......................................................................................................................12!A RESTful Future..............................................................................................................................................................13!5.!Conclusion.........................................................................................................................................14!
1.Nutanix Virtual Computing PlatformThis Solution Note discusses the data protection and disaster recovery functionality in the Nutanix VirtualComputing Platform.We also recommend reading the Nutanix Tech Note on Infrastructure resilience to learnmore on about the resiliency features of the Virtual Computing Platform including how hardware and softwarefailures are handled.The Nutanix distributed software architecture runs a virtual storage controller (Controller VM or CVM) on eachNutanix node or host on the Virtual Computing Platform, forming a distributed system. All nodes actively worktogether to aggregate storage resources into a single global pool that can be leveraged by all. The storageresources are managed by the Nutanix Distributed File System (NDFS) to ensure that data and system integrity ispreserved in the event of node, disk or application or hypervisor software failure. NDFS also delivers dataprotection and high availability functionality that keeps critical data and VMs protected and applications running.Figure 1: Nutanix solution for data protection and disaster recovery covers all aspects of availability
2.BackupUnlimited VM-centric SnapshotsThe foundation of the Nutanix data protection functionality is the concept of a VM-centric snapshot. Tounderstand the advantage of Nutanix snapshot functionality, it is important to understand the different types ofsnapshots available today.A snapshot is an evolution of the traditional backup process. It is created when the storage system creates a full orvirtual copy of the metadata or the index of the stored data. This is different from traditional backup solutions,which create separate copies of the stored data.Because snapshots only need to copy the metadata or index at thetime they are taken, they can be near instantaneous, have little performance impact and require little incrementalspace. IT organizations can take snapshot-based backups more frequently and improve recovery point objective.Backup vendors and analysts have acknowledged the shift to snapshots as a viable option for backup andrecovery.However, it is important to note that not all snapshot implementations are created equal. Each of theimplementations has different storage requirements and pose different restrictions on their use. The preferredimplementation of snapshot is redirect-on-write (ROW). In this method, any updates to existing protected data areredirected to a new location. None of the existing data in snapshots needs to be copied or moved. As a resultROW snapshots do not suffer the performance impact of the alternative copy-on-write snapshot implementations.

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Term
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Professor
ROS
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virtual machine

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