Transferring the data without compression slightly

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Transferring the data without compression slightly inflates the storage used. However, storing the data without compression allows for faster restoration, should you need that recovery point. Disk Deduplication You can take advantage of deduplication when you deploy System Center DPM or Azure Backup Server on a Hyper-V virtual machine . Windows Server performs data deduplication (at the host level) on virtual hard disks (VHDs) that are attached to the virtual machine as backup storage. Note Deduplication is not available in Azure for any Backup component. When System Center DPM and Backup Server are deployed in Azure, the storage disks attached to the VM cannot be deduplicated. Incremental backup explained Cloud Marketing Program | 11 |
Every Azure Backup component supports incremental backup regardless of the target storage (disk, tape, backup vault). Incremental backup ensures that backups are storage and time efficient, by transferring only those changes made since the last backup. Comparing Full, Differential and Incremental backup Storage consumption, recovery time objective (RTO), and network consumption varies for each type of backup method. To keep the backup total cost of ownership (TCO) down, you need to understand how to choose the best backup solution. The following image compares Full Backup, Differential Backup, and Incremental Backup. In the image, data source A is composed of 10 storage blocks A1-A10, which are backed up monthly. Blocks A2, A3, A4, and A9 change in the first month, and block A5 changes in the next month. With Full Backup , each backup copy contains the entire data source. Full backup consumes a large amount of network bandwidth and storage, each time a backup copy is transferred. Differential backup stores only the blocks that changed since the initial full backup, which results in a smaller amount of network and storage consumption. Differential backups don't retain redundant copies of unchanged data. However, because the data blocks that remain unchanged between subsequent backups are transferred and stored, differential backups are inefficient. In the second month, changed blocks A2, A3, A4, and A9 are backed up. In the third month, these same blocks are backed up again, along with changed block A5. The changed blocks continue to be backed up until the next full backup happens. Cloud Marketing Program | 12 |
Incremental Backup achieves high storage and network efficiency by storing only the blocks of data that changed since the previous backup. With incremental backup, there is no need to take regular full backups. In the example, after the full backup is taken for the first month, changed blocks A2, A3, A4, and A9 are marked as changed and transferred for the second month. In the third month, only changed block A5 is marked and transferred. Moving less data saves storage and network resources, which decreases TCO. Security Feature Azure Backup agent System Center DPM Azure Backup Server Azure IaaS VM Backup Network security (to Azure) Data security (in Azure) Network security All backup traffic from your servers to the Backup vault is encrypted using Advanced Encryption Standard 256. The backup data is sent over a secure HTTPS link. The backup data is also stored in the

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