Although the system is designed to failover to a back-up switch, the failover did not function as previously tested.

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Their software and hardware architecture may take advantage of patterns like redundant services, failover services, or retry attempts after failures.

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There are cases in which cloud could function as the primary backup site, with on-premises backup as the failover environment.

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Running comprehensive DR drills to ensure the failover happens as planned with minimal disruption to the end user will be an imperative.

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Offering superior performance with a fast CPU to simultaneously support multiple user streams, more memory to boost performance, four drives for up to 16TB of storage, and two Gigabit Ethernet ports for high speed data transfer and failover, the Cloud Storage 4000 is a robust storage, back-up and recovery solution.

ENGADGET: D-Link Cloud Storage 4000 NAS stores up 16TB, hooks up to your smartphone and tablet