Because the proxy server presents this data as if it were as locally attached, the backup agent only has to run on the proxy server and not on the ESX/ESXi hosts.The VCB proxy can run as a physical standalone server or inside a virtual machine.Thus it would be a good thing to know in advance how much time it takes.As a reminder, initialization of deleting snapshots in v Sphere Client with Delete All function leads to their immediate deletion from GUI, but at the storage, this process takes much time.In addition, some third-party backup products have been specifically developed for ESX hosts and are worth considering for even better integration, efficiency, and backup speed.Imagine being able to reduce your companys carbon footprint and floor space.First, let’s see factors that affect time of virtual machine snapshots consolidation process: It should be mentioned here, that consolidation process is very demanding towards I/O subsystem, so it is not recommended to make it during working hours when production virtual machines are loaded.
Taking a snapshot of a VM's virtual disk suspends writes to it and allows for backups to occur without the possibility of files being modified during the backup.
Due to the features of most modern backup software – which include snapshot management, DR elements, cloud support, VM protection – backups can do so much more than simply restoring data in the event of a storage or server failure.
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To address the backup complexities introduced by virtualization, VMware released VMware Consolidated Backup (VCB).
While VMware Consolidated Backup enables backups to be performed at the virtualization layer, it requires a middleman, a proxy server, between the backup device and the target disk.