ClearSky Data Lands $27M To Boost Storage Network

Boston-based enterprise storage provider ClearSky Data said it has raised $27 million in a Series B investment round led by Polaris Partners, along with Akamai Technologies. The money will be used by ClearSky to refine its managed service delivery model for enterprise storage, which the company said combines the performance and availability of primary storage with the economics and scalability of the cloud.

ClearSky made a splash over the summer with a plan to offer a multi-tiered, fully managed, hybrid data-management storage solution, based on classifications of data ranging from "hot" to "cold," or from most to least critical.

The company's solution installs an appliance in the data center that contains the clientEUs most important data. It then has a second level of storage at a co-location facility within 120 miles of the client for less crucial data, then Amazon S3 storage is used for the clientEUs least essential data.

Three-Tiered Approach

By spreading data across three tiers, ClearSky said that its customers can save money and increase security by having the most important data nearby for the least latency, which is the time needed for data to travel from its location to where itEUs needed. ClearSky said that its software and algorithms manage and move the data between the three tiers based on a proprietary formula of usage patterns, policy and customer needs.

The company also offers other data management services, including de-duplication, backup and disaster recovery. ClearSky said it will use the $27 million to grow its sales, marketing and operations organizations, and add new locations in major metropolitan areas. The most recent cash infusion brings the total investment in the company to $39 million.

With the growth of cloud computing and the availability of new on-demand services, CloudSky said it is able to leverage those elements to sidestep many...

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