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Rollout: SonicWall Continuous Data Protection 4440i: Page 2 of 3

On the management front, SonicWall's Enterprise Manager software lets you control multiple CDP devices from one computer, useful for remote management.

You create policy-based quotas and file filters for each CDP client. You can also configure policies to exclude certain file types from backup to the CDP and limit storage space for each client. The appliance's storage disks are encrypted using AES 256.

The 4440i can back up an unlimited number of workstations or servers and will store both Microsoft SQL and Exchange data. Also, much like Windows Volume Shadow Copy, the device can keep "snapshots" of files. An add-on feature, Bare Metal Recovery (BMR), lets the device capture an image, the OS, apps and files of a client machine, which can be stored on the device or other media. The BMR option costs $299 for a server license for one year.

In our tests, Office files were copied within seconds of being changed on the file server; restoration of an "accidentally" deleted file took just seconds and could be restored to an original or alternate location.