Data recovery systems allow you to retrieve data from secondary storage systems, such as hard drives, that have failed for one reason or another. (discoverdebtfreedom.com)
A sleeping loft and secondary storage loft are both accessed by ladder. (newatlas.com)
But, primary and secondary storage use different protocols for data access and this makes it quite difficult to have a common and consistent mechanism to move data seamlessly in the front - end. (gigaom.com)